NiSource

41.75

+0.32500.78%

Volume:1.31M

Turnover:54.63M

Market Cap:19.92B

PE:22.20

High:41.82

Open:41.79

Low:41.45

Close:41.42

52wk High:49.21

52wk Low:39.30

Shares:477.20M

Float Shares:477.20M

Volume Ratio:0.42

T/O Rate:0.28%

Dividend:1.16

Dividend Rate:2.78%

EPS(TTM):1.88

EPS(LYR):1.95

ROE:8.55%

ROA:3.24%

PB:2.08

PE(LYR):21.41

Loading ...

Overview Company News Filings

Oct 09, 2020

{"basename":"","ssrTDKData":{"titleTemplate":"%s - Tiger Brokers","title":"Tiger Brokers HK | Online Trading in stocks, bonds & ETFS","description":"Discover Tiger Brokers HK, an online trading platform for stocks&ETFs, options&futures, bonds and crypto. Open an account to enjoy low commission trading today!","keywords":"tiger trading,tiger security,tiger broker hk,tigers co ltd,tiger trade hk,tiger brokers hk,stock broker,securities broker,online brokerage,hong kong broker,hk broker,online stock trading,online trading platform,stock trading platforms,trading application,stock trading,stock trading hong kong,buying stocks in hong kong,tiger brokers","social":{"ogDescription":"Discover Tiger Brokers HK, an online trading platform for stocks&ETFs, options&futures, bonds and crypto. Open an account to enjoy low commission trading today!","ogImage":"https://c1.itigergrowtha.com/portal5/static/media/og-logo.0a0bd8dc.png","ogUrl":"https://www.atigreclipse.com/stock/NI/filings?page=10"},"companyName":"Tiger Brokers"},"pageData":{"isMobile":false,"isTiger":false,"isTTM":true,"region":"HKG","license":"TBHK","edition":"fundamental","symbol":"NI","isAnalysisPage":false},"__swrFallback__":{"@#url:\"https://hq.skytigris.cn/stock_info/detail/global\",params:#delay:false,,method:\"POST\",data:#items:@#symbol:\"NI\",,,,,undefined,":{"symbol":"NI","market":"US","secType":"STK","nameCN":"NiSource","latestPrice":41.745,"timestamp":1789148626655,"preClose":41.42,"halted":0,"volume":1312704,"delay":0,"changeRate":0.007846450989859867,"floatShares":477195529,"shares":477195529,"eps":1.88,"marketStatus":"Trading","change":0.325,"latestTime":"09-11 13:43:46 EDT","open":41.785,"high":41.815,"low":41.445,"amount":54632797.67807999,"amplitude":0.008933,"askPrice":41.75,"askSize":457,"bidPrice":41.74,"bidSize":532,"shortable":3,"etf":0,"ttmEps":1.88,"tradingStatus":2,"nextMarketStatus":{"tag":"Post-Mkt","tradingStatus":3,"beginTime":1789156800000},"marketStatusCode":2,"adr":0,"adrRate":0,"listingDate":-222030000000,"exchange":"NYSE","adjPreClose":41.42,"dividendRate":0.027783,"preHourTrading":{"tag":"盘前","latestPrice":41.66,"preClose":41.42,"latestTime":"04:24 EDT","volume":15,"amount":624.79995,"timestamp":1789115055765,"change":0.24,"changeRate":0.005794,"amplitude":0.000483},"postHourTrading":{"tag":"盘后","latestPrice":41.27,"preClose":41.42,"latestTime":"19:45 EDT","volume":67275,"amount":2786465.6497,"timestamp":1789083931328,"change":-0.15,"changeRate":-0.003621,"amplitude":0.003621},"volumeRatio":0.415586,"impliedVol":0.2857,"impliedVolPercentile":0.4422},"@#url:\"https://hq.skytigris.cn/stock_info/fundamental/all\",params:#delay:false,,method:\"POST\",data:#items:@#symbol:\"NI\",,,,,undefined,":{"symbol":"NI","floatShares":477195529,"roa":"3.24%","roe":"8.55%","lyrEps":1.95,"volumeRatio":0.415586,"shares":477195529,"dividePrice":1.1598,"high":41.815,"amplitude":0.008933,"preClose":41.42,"low":41.445,"week52Low":39.295,"pbRate":"2.08","psRate":"2.89","week52High":49.21,"institutionHeld":0.978,"latestPrice":41.745,"committee":0.075834,"eps":1.88,"divideRate":0.027783,"volume":1312704,"delay":0,"ttmEps":1.88,"open":41.785,"prevYearClose":41.76,"prevWeekClose":41.39,"prevMonthClose":40.92,"prevQuarterClose":47.55,"fiveDayClose":41.66,"twentyDayClose":42.08,"sixtyDayClose":47.72,"dividendPayoutRate":0.5714189505993013,"dividendFrequency":"Q","dividendGrowthYears":9,"dividendGrowthRate":0.05660377358490571,"fiveYearAvgDividendRate":0.031881209137870126},"@#url:\"https://hq.skytigris.cn/fundamental/corporate_actions/details/NI\",params:#limit:5,,,undefined,":[{"date":"2026-10-30","symbol":"NI","amount":0.3,"announcedDate":"2026-08-11","type":"dividend","lastAmount":null,"market":"US","newRecordDate":"2026-10-30","defaultRemindTime":1793367000000,"name":"印北瓦电","lastCurrency":null,"lastExecuteDate":null,"recordDate":"2026-11-20","payableDate":"2026-10-30","currency":"USD","dateTimestamp":1793332800000,"payDate":"2026-11-20"},{"market":"US","date":"2026-08-05","symbol":"NI","fiscalQuarterEnding":"2026/06","expectedEps":0.15,"name":null,"time":"Pre-MKt","type":"earning","dateTimestamp":1785902400000,"reportTimeType":"pre","actualEps":0.16},{"date":"2026-07-31","symbol":"NI","amount":0.3,"announcedDate":"2026-05-11","type":"dividend","lastAmount":null,"market":"US","newRecordDate":"2026-07-31","defaultRemindTime":1785504600000,"name":"印北瓦电","lastCurrency":null,"lastExecuteDate":null,"recordDate":"2026-08-20","payableDate":"2026-07-31","currency":"USD","dateTimestamp":1785470400000,"payDate":"2026-08-20"},{"market":"US","date":"2026-05-06","symbol":"NI","fiscalQuarterEnding":"2026/03","expectedEps":1.06,"name":null,"time":"Pre-MKt","type":"earning","dateTimestamp":1778040000000,"reportTimeType":"pre","actualEps":1.06},{"date":"2026-04-30","symbol":"NI","amount":0.3,"announcedDate":null,"type":"dividend","lastAmount":null,"market":"US","newRecordDate":"2026-04-30","defaultRemindTime":1777555800000,"name":"印北瓦电","lastCurrency":null,"lastExecuteDate":null,"recordDate":"2026-05-20","payableDate":"2026-04-30","currency":"USD","dateTimestamp":1777521600000,"payDate":"2026-05-20"}],"@#url:\"https://hq.skytigris.cn/fundamental/dividend/history\",params:#symbol:\"NI\",market:\"US\",,,undefined,":[{"executeDate":"2016-10-27","recordDate":"2016-10-31","paymentDate":"2016-11-18","value":0.165,"currency":"USD"},{"executeDate":"2017-02-08","recordDate":"2017-02-10","paymentDate":"2017-02-17","value":0.175,"currency":"USD"},{"executeDate":"2017-04-26","recordDate":"2017-04-28","paymentDate":"2017-05-19","value":0.175,"currency":"USD"},{"executeDate":"2017-07-27","recordDate":"2017-07-31","paymentDate":"2017-08-18","value":0.175,"currency":"USD"},{"executeDate":"2017-10-30","recordDate":"2017-10-31","paymentDate":"2017-11-20","value":0.175,"currency":"USD"}],"@#url:\"https://hq.skytigris.cn/fundamental/estimate/recommendation\",params:#symbol:\"NI\",market:\"US\",delay:false,,,undefined,":{"strongBuy":0.3125,"buy":0.5,"hold":0.1875,"sell":0,"strongSell":0,"meanLabel":"BUY","meanPercent":0.5,"analysts":16,"updateTime":1786766400000},"@#url:\"https://hq.skytigris.cn/value_analysis/stock/NI\",params:#withQuantilePoint:true,period:\"5year\",factor:\"peRate\",delay:false,algorithm:1,,,undefined,":{"brief":{"id":"NI","date":"2026-09-10","current":22.031915,"percent":0.639202,"low":13.342877,"twenty":15.612353,"median":20.776739,"eighty":23.126093,"high":36.77471,"avg":20.074989,"sd":4.491732,"marketCap":19983269367},"quantilePoints":[{"date":"2021-09-17","current":35.277297,"twenty":-107.547599,"median":24.705927,"eighty":41.355003,"marketCap":9429621455},{"date":"2021-09-24","current":35.247936,"twenty":-107.547599,"median":25.414376,"eighty":41.355003,"marketCap":9421773247},{"date":"2021-10-01","current":35.673671,"twenty":-107.547599,"median":25.901805,"eighty":41.355003,"marketCap":9535572258},{"date":"2021-10-08","current":35.864518,"twenty":-107.547599,"median":26.221458,"eighty":41.355003,"marketCap":9586585607},{"date":"2021-10-15","current":36.525141,"twenty":-107.547599,"median":26.960991,"eighty":41.355003,"marketCap":9763170279},{"date":"2021-10-22","current":36.77471,"twenty":-107.547599,"median":27.937934,"eighty":41.355003,"marketCap":9829880044},{"date":"2021-10-29","current":36.21685,"twenty":-107.547599,"median":28.318021,"eighty":41.355003,"marketCap":9680764099},{"date":"2021-11-05","current":19.744449,"twenty":-107.547599,"median":28.457715,"eighty":41.355003,"marketCap":9939355425},{"date":"2021-11-12","current":19.565025,"twenty":-107.547599,"median":28.457715,"eighty":41.355003,"marketCap":9849033349},{"date":"2021-11-19","current":19.674239,"twenty":-107.547599,"median":28.457715,"eighty":41.355003,"marketCap":9904012004},{"date":"2021-11-26","current":19.494815,"twenty":-107.547599,"median":28.457715,"eighty":41.355003,"marketCap":9813689928},{"date":"2021-12-03","current":19.580627,"twenty":-107.547599,"median":28.457715,"eighty":41.355003,"marketCap":9856887442},{"date":"2021-12-10","current":20.228113,"twenty":-107.547599,"median":28.457715,"eighty":41.355003,"marketCap":10182832326},{"date":"2021-12-17","current":20.969213,"twenty":-107.547599,"median":28.457715,"eighty":41.355003,"marketCap":10555901771},{"date":"2021-12-23","current":20.961412,"twenty":-107.547599,"median":28.457715,"eighty":41.355003,"marketCap":10551974724},{"date":"2021-12-31","current":21.538689,"twenty":-107.547599,"median":28.457715,"eighty":41.355003,"marketCap":10842576187},{"date":"2022-01-07","current":21.741516,"twenty":-107.523306,"median":28.427391,"eighty":41.351831,"marketCap":10944679403},{"date":"2022-01-14","current":22.100365,"twenty":-107.523306,"median":28.427391,"eighty":41.351831,"marketCap":11125323556},{"date":"2022-01-21","current":21.476281,"twenty":-107.523306,"median":28.427391,"eighty":41.351831,"marketCap":10811159812},{"date":"2022-01-28","current":22.833663,"twenty":-107.523306,"median":28.427391,"eighty":41.351831,"marketCap":11494465954},{"date":"2022-02-04","current":22.896071,"twenty":-107.523306,"median":28.427391,"eighty":41.351831,"marketCap":11525882328},{"date":"2022-02-11","current":22.43581,"twenty":-107.523306,"median":28.427391,"eighty":41.351831,"marketCap":11294186568},{"date":"2022-02-18","current":22.193977,"twenty":-107.523306,"median":28.427391,"eighty":41.351831,"marketCap":11172448117},{"date":"2022-02-25","current":20.085583,"twenty":-107.523306,"median":28.427391,"eighty":41.351831,"marketCap":11748057589},{"date":"2022-03-04","current":21.12521,"twenty":-107.523306,"median":28.427391,"eighty":41.351831,"marketCap":12356135104},{"date":"2022-03-11","current":20.646981,"twenty":-107.523306,"median":28.427391,"eighty":41.351831,"marketCap":12076419447},{"date":"2022-03-18","current":20.854907,"twenty":-107.523306,"median":28.427391,"eighty":41.351831,"marketCap":12198034950},{"date":"2022-03-25","current":21.582645,"twenty":-107.523306,"median":28.427391,"eighty":41.351831,"marketCap":12623689211},{"date":"2022-04-01","current":22.234145,"twenty":-107.523306,"median":28.427391,"eighty":41.351831,"marketCap":13004751120},{"date":"2022-04-08","current":22.213352,"twenty":-107.523306,"median":28.427391,"eighty":41.351831,"marketCap":12992589570},{"date":"2022-04-14","current":22.005427,"twenty":-107.523306,"median":28.427391,"eighty":41.351831,"marketCap":12870974067},{"date":"2022-04-22","current":21.413953,"twenty":-107.523306,"median":28.427391,"eighty":41.351831,"marketCap":12525021174},{"date":"2022-04-29","current":20.20001,"twenty":-107.523306,"median":28.427391,"eighty":41.351831,"marketCap":11814985960},{"date":"2022-05-06","current":16.709001,"twenty":-107.523306,"median":28.194347,"eighty":41.351831,"marketCap":11966986293},{"date":"2022-05-13","current":17.179278,"twenty":-107.523306,"median":27.727989,"eighty":41.351831,"marketCap":12303798725},{"date":"2022-05-20","current":17.156614,"twenty":-107.523306,"median":26.70593,"eighty":41.351831,"marketCap":12287566801},{"date":"2022-05-27","current":17.99518,"twenty":-107.523306,"median":26.01237,"eighty":41.351831,"marketCap":12888148005},{"date":"2022-06-03","current":17.802537,"twenty":-107.523306,"median":25.861849,"eighty":41.332799,"marketCap":12750176647},{"date":"2022-06-10","current":17.026296,"twenty":-107.523306,"median":25.38339,"eighty":41.269356,"marketCap":12194233235},{"date":"2022-06-17","current":15.105526,"twenty":-107.523306,"median":24.611134,"eighty":41.129783,"marketCap":10818577639},{"date":"2022-06-24","current":16.21606,"twenty":-107.547599,"median":24.443393,"eighty":40.90369,"marketCap":11613941936},{"date":"2022-07-01","current":17.026296,"twenty":-107.547599,"median":23.4387,"eighty":40.784021,"marketCap":12194233235},{"date":"2022-07-08","current":16.13107,"twenty":-107.547599,"median":23.009639,"eighty":40.784021,"marketCap":11553072220},{"date":"2022-07-15","current":16.306715,"twenty":-107.547599,"median":22.638637,"eighty":40.70789,"marketCap":11678869634},{"date":"2022-07-22","current":16.114072,"twenty":-107.547599,"median":22.440884,"eighty":39.505927,"marketCap":11540898276},{"date":"2022-07-29","current":17.224606,"twenty":-107.547599,"median":22.254937,"eighty":39.224973,"marketCap":12336262574},{"date":"2022-08-05","current":16.549225,"twenty":-107.547599,"median":22.162773,"eighty":39.055763,"marketCap":11963434880},{"date":"2022-08-12","current":17.487033,"twenty":-107.547599,"median":22.100365,"eighty":39.055763,"marketCap":12641376388},{"date":"2022-08-19","current":17.711658,"twenty":-107.547599,"median":22.045757,"eighty":39.055763,"marketCap":12803757588},{"date":"2022-08-26","current":16.947934,"twenty":-107.547599,"median":21.984634,"eighty":39.055763,"marketCap":12251661509},{"date":"2022-09-02","current":16.59415,"twenty":-107.547599,"median":21.908395,"eighty":39.055763,"marketCap":11995911120},{"date":"2022-09-09","current":17.105171,"twenty":-107.547599,"median":21.840642,"eighty":39.055763,"marketCap":12365328349},{"date":"2022-09-16","current":16.189826,"twenty":-107.547599,"median":21.796756,"eighty":39.055763,"marketCap":11703624961},{"date":"2022-09-23","current":15.746192,"twenty":-107.547599,"median":21.774668,"eighty":39.055763,"marketCap":11382922091},{"date":"2022-09-30","current":14.145741,"twenty":-107.547599,"median":21.663506,"eighty":39.055763,"marketCap":10225956044},{"date":"2022-10-07","current":13.763879,"twenty":-107.547599,"median":21.54649,"eighty":39.055763,"marketCap":9949908005},{"date":"2022-10-14","current":13.752648,"twenty":-107.547599,"median":21.46848,"eighty":39.055763,"marketCap":9941788945},{"date":"2022-10-21","current":13.752648,"twenty":-107.547599,"median":21.350581,"eighty":39.055763,"marketCap":9941788945},{"date":"2022-10-28","current":14.538834,"twenty":-107.547599,"median":21.284752,"eighty":39.055763,"marketCap":10510123144},{"date":"2022-11-04","current":14.545329,"twenty":-107.547599,"median":21.17204,"eighty":39.055763,"marketCap":10514818114},{"date":"2022-11-11","current":14.448418,"twenty":-107.547599,"median":21.094578,"eighty":39.055763,"marketCap":10482327367},{"date":"2022-11-18","current":14.733916,"twenty":-107.547599,"median":20.992616,"eighty":39.055763,"marketCap":10689455881},{"date":"2022-11-25","current":15.276921,"twenty":-107.547599,"median":20.961412,"eighty":39.055763,"marketCap":11083406193},{"date":"2022-12-02","current":15.433665,"twenty":-107.547599,"median":20.894269,"eighty":39.055763,"marketCap":11197123808},{"date":"2022-12-09","current":15.332901,"twenty":-107.547599,"median":20.854907,"eighty":39.055763,"marketCap":11124019627},{"date":"2022-12-16","current":15.220941,"twenty":-107.547599,"median":20.737082,"eighty":39.055763,"marketCap":11042792758},{"date":"2022-12-23","current":15.512037,"twenty":-107.547599,"median":20.54995,"eighty":39.055763,"marketCap":11253982616},{"date":"2022-12-30","current":15.349695,"twenty":-107.547599,"median":20.493349,"eighty":39.055763,"marketCap":11136203657},{"date":"2023-01-06","current":15.456057,"twenty":-107.547599,"median":20.304629,"eighty":39.055763,"marketCap":11213369182},{"date":"2023-01-13","current":15.556821,"twenty":-107.547599,"median":20.228113,"eighty":39.055763,"marketCap":11286473364},{"date":"2023-01-20","current":15.232137,"twenty":-107.547599,"median":20.20001,"eighty":39.055763,"marketCap":11050915445},{"date":"2023-01-27","current":15.405675,"twenty":-107.547599,"median":20.134501,"eighty":39.055763,"marketCap":11176817091},{"date":"2023-02-03","current":15.288117,"twenty":-107.547599,"median":20.077884,"eighty":39.055763,"marketCap":11091528880},{"date":"2023-02-10","current":15.047403,"twenty":-107.547599,"median":20.033087,"eighty":39.055763,"marketCap":10916891112},{"date":"2023-02-17","current":15.192951,"twenty":-107.547599,"median":19.938912,"eighty":39.055763,"marketCap":11022486041},{"date":"2023-02-24","current":14.271821,"twenty":-107.547599,"median":19.880397,"eighty":38.797158,"marketCap":11475971002},{"date":"2023-03-03","current":14.21026,"twenty":-107.547599,"median":19.814568,"eighty":38.364033,"marketCap":11426470048},{"date":"2023-03-10","current":13.702384,"twenty":-107.547599,"median":19.728847,"eighty":38.225464,"marketCap":11018087184},{"date":"2023-03-17","current":14.092269,"twenty":-107.547599,"median":19.668281,"eighty":38.021342,"marketCap":11331593221},{"date":"2023-03-24","current":13.738336,"twenty":-107.547599,"median":19.580627,"eighty":37.873292,"marketCap":11046995810},{"date":"2023-03-31","current":14.359771,"twenty":-107.523306,"median":19.554566,"eighty":37.731267,"marketCap":11546691695},{"date":"2023-04-06","current":14.734686,"twenty":-107.523306,"median":19.511022,"eighty":37.628535,"marketCap":11848161114},{"date":"2023-04-14","current":14.555314,"twenty":-107.547599,"median":19.383021,"eighty":37.488168,"marketCap":11703927989},{"date":"2023-04-21","current":14.683713,"twenty":-107.547599,"median":19.317192,"eighty":37.43681,"marketCap":11807173649},{"date":"2023-04-28","current":14.663169,"twenty":-107.547599,"median":19.200162,"eighty":37.341769,"marketCap":11790654343},{"date":"2023-05-05","current":16.498104,"twenty":-107.547599,"median":19.083133,"eighty":37.299899,"marketCap":11718603523},{"date":"2023-05-11","current":16.800502,"twenty":-107.547599,"median":18.000846,"eighty":37.234817,"marketCap":11933396396},{"date":"2023-05-19","current":15.910756,"twenty":-107.62048,"median":17.816701,"eighty":37.146554,"marketCap":11301409671},{"date":"2023-05-26","current":15.707219,"twenty":-107.62048,"median":17.77655,"eighty":37.068321,"marketCap":11156837545},{"date":"2023-06-02","current":15.509497,"twenty":-107.644774,"median":17.700549,"eighty":36.96983,"marketCap":11016396050},{"date":"2023-06-09","current":15.89331,"twenty":-107.693361,"median":17.487033,"eighty":36.843493,"marketCap":11289017775},{"date":"2023-06-16","current":15.899125,"twenty":-107.693361,"median":17.279255,"eighty":36.783519,"marketCap":11293148407},{"date":"2023-06-29","current":15.777003,"twenty":-107.865215,"median":17.179278,"eighty":36.659344,"marketCap":11206405131},{"date":"2023-07-27","current":16.532996,"twenty":-107.972534,"median":17.037784,"eighty":36.357784,"marketCap":11743387316},{"date":"2023-08-04","current":15.862722,"twenty":-107.978709,"median":16.958304,"eighty":36.287317,"marketCap":11137216806},{"date":"2023-08-11","current":15.73323,"twenty":-107.984884,"median":16.7956,"eighty":36.220684,"marketCap":11046300750},{"date":"2023-08-18","current":15.421273,"twenty":-107.984884,"median":16.709001,"eighty":36.128767,"marketCap":10827275707},{"date":"2023-08-25","current":15.497791,"twenty":-107.984884,"median":16.686337,"eighty":35.888295,"marketCap":10880998831},{"date":"2023-09-29","current":14.479516,"twenty":-108.430266,"median":16.544627,"eighty":35.723379,"marketCap":10166068030},{"date":"2023-10-06","current":14.026295,"twenty":-108.430266,"median":16.448365,"eighty":35.723379,"marketCap":9847861836},{"date":"2023-10-13","current":14.944508,"twenty":-108.430266,"median":16.310056,"eighty":35.723379,"marketCap":10492539321},{"date":"2023-10-20","current":15.085772,"twenty":-108.430266,"median":16.238745,"eighty":35.727886,"marketCap":10591720472},{"date":"2023-10-27","current":15.138746,"twenty":-108.454559,"median":16.208534,"eighty":35.701256,"marketCap":10628913404},{"date":"2023-11-03","current":14.773843,"twenty":-108.454559,"median":16.183112,"eighty":35.676228,"marketCap":10657850068},{"date":"2023-11-10","current":14.223692,"twenty":-108.454559,"median":16.183112,"eighty":35.676228,"marketCap":10260971245},{"date":"2023-11-17","current":14.768112,"twenty":-108.454559,"median":16.183112,"eighty":35.676228,"marketCap":10653715914},{"date":"2023-11-21","current":14.934303,"twenty":-108.454559,"median":16.183112,"eighty":35.676228,"marketCap":10773606392},{"date":"2023-11-28","current":15.014534,"twenty":-108.486951,"median":16.189892,"eighty":35.680016,"marketCap":10831484554},{"date":"2023-12-15","current":15.289609,"twenty":-107.966358,"median":16.256442,"eighty":35.718873,"marketCap":11029923965},{"date":"2023-12-22","current":14.922842,"twenty":-108.033471,"median":16.286884,"eighty":35.737464,"marketCap":10765338083},{"date":"2023-12-29","current":15.215109,"twenty":-108.082058,"median":16.306715,"eighty":35.742535,"marketCap":10976179958},{"date":"2024-01-05","current":15.392762,"twenty":-108.130645,"median":16.308385,"eighty":35.747607,"marketCap":11104338745},{"date":"2024-01-12","current":15.186456,"twenty":-108.173057,"median":16.310056,"eighty":35.752678,"marketCap":10955509186},{"date":"2024-01-19","current":14.699343,"twenty":-107.954008,"median":16.311035,"eighty":35.757749,"marketCap":10604106061},{"date":"2024-01-26","current":14.647766,"twenty":-107.717654,"median":16.310056,"eighty":35.752678,"marketCap":10566898671},{"date":"2024-02-02","current":15.100495,"twenty":-107.154036,"median":16.310056,"eighty":35.752678,"marketCap":10893496870},{"date":"2024-02-09","current":14.361229,"twenty":-39.594888,"median":16.310056,"eighty":35.752678,"marketCap":10360190951},{"date":"2024-02-16","current":14.882727,"twenty":-39.064457,"median":16.310056,"eighty":35.752678,"marketCap":10736399002},{"date":"2024-02-23","current":16.314628,"twenty":-38.670605,"median":16.314628,"eighty":35.752678,"marketCap":11653538735},{"date":"2024-03-01","current":16.327158,"twenty":-38.14335,"median":16.322603,"eighty":35.747607,"marketCap":11662489225},{"date":"2024-03-08","current":16.897293,"twenty":-37.768555,"median":16.447171,"eighty":35.747607,"marketCap":12069736547},{"date":"2024-03-15","current":16.515115,"twenty":-36.869682,"median":16.518569,"eighty":35.747607,"marketCap":11796746584},{"date":"2024-03-22","current":16.978741,"twenty":-36.42501,"median":16.546956,"eighty":35.747607,"marketCap":12127914735},{"date":"2024-03-28","current":17.204289,"twenty":-36.209026,"median":16.595557,"eighty":35.747607,"marketCap":12289023566},{"date":"2024-04-05","current":17.047829,"twenty":-35.837407,"median":16.629677,"eighty":35.752678,"marketCap":12177264509},{"date":"2024-04-12","current":17.098025,"twenty":-35.681772,"median":16.695231,"eighty":35.752678,"marketCap":12213119539},{"date":"2024-04-19","current":17.192143,"twenty":-35.503903,"median":16.700847,"eighty":35.752678,"marketCap":12280347720},{"date":"2024-04-26","current":17.631358,"twenty":-35.326034,"median":16.772613,"eighty":35.747607,"marketCap":12594079231},{"date":"2024-05-03","current":17.882338,"twenty":-35.100522,"median":16.810988,"eighty":35.747607,"marketCap":12773354380},{"date":"2024-05-10","current":17.360343,"twenty":-34.776546,"median":16.865967,"eighty":35.747607,"marketCap":12956024268},{"date":"2024-05-17","current":17.510519,"twenty":-34.477981,"median":16.962257,"eighty":35.747607,"marketCap":13068100602},{"date":"2024-05-24","current":16.867766,"twenty":13.550591,"median":16.983356,"eighty":35.747607,"marketCap":12588413891},{"date":"2024-05-31","current":16.807696,"twenty":13.667177,"median":16.983356,"eighty":35.747607,"marketCap":12543583357},{"date":"2024-06-07","current":17.14409,"twenty":13.763905,"median":17.030788,"eighty":35.747607,"marketCap":12794634346},{"date":"2024-06-14","current":16.993914,"twenty":13.900609,"median":17.037784,"eighty":35.752678,"marketCap":12682558012},{"date":"2024-06-21","current":17.023949,"twenty":13.977272,"median":17.037784,"eighty":35.757749,"marketCap":12704973278},{"date":"2024-06-28","current":17.420414,"twenty":14.022787,"median":17.054626,"eighty":35.760152,"marketCap":13000854802},{"date":"2024-07-05","current":17.20416,"twenty":14.093441,"median":17.088324,"eighty":35.760152,"marketCap":12839464880},{"date":"2024-07-12","current":17.840907,"twenty":14.13315,"median":17.129398,"eighty":35.760152,"marketCap":13314668538},{"date":"2024-07-15","current":18.063167,"twenty":14.136082,"median":17.14409,"eighty":35.760152,"marketCap":13480541513},{"date":"2024-08-02","current":19.078357,"twenty":14.222546,"median":17.173085,"eighty":35.764146,"marketCap":14238177534},{"date":"2024-08-09","current":18.008833,"twenty":14.222546,"median":17.173085,"eighty":35.680016,"marketCap":13926230438},{"date":"2024-08-16","current":18.403229,"twenty":14.222546,"median":17.173085,"eighty":35.523929,"marketCap":14231217128},{"date":"2024-08-23","current":18.890425,"twenty":14.222546,"median":17.173085,"eighty":35.236191,"marketCap":14607965391},{"date":"2024-08-30","current":19.035423,"twenty":14.222546,"median":17.173085,"eighty":30.835505,"marketCap":14720092850},{"date":"2024-09-06","current":19.37182,"twenty":14.222546,"median":17.173085,"eighty":28.465698,"marketCap":14980228555},{"date":"2024-09-13","current":19.505219,"twenty":14.222546,"median":17.173085,"eighty":26.848842,"marketCap":15083385818},{"date":"2024-09-20","current":19.621218,"twenty":14.222546,"median":17.173085,"eighty":26.062727,"marketCap":15173087785},{"date":"2024-09-27","current":19.789416,"twenty":14.222546,"median":17.173085,"eighty":25.837875,"marketCap":15303155638},{"date":"2024-10-04","current":20.120013,"twenty":14.222546,"median":17.173085,"eighty":25.364798,"marketCap":15558806245},{"date":"2024-10-11","current":19.569018,"twenty":14.222546,"median":17.173085,"eighty":24.554259,"marketCap":15132721900},{"date":"2024-10-18","current":20.276612,"twenty":14.222546,"median":17.173085,"eighty":24.387454,"marketCap":15679903901},{"date":"2024-10-25","current":20.45061,"twenty":14.222546,"median":17.173085,"eighty":23.334927,"marketCap":15814456852},{"date":"2024-10-31","current":21.188712,"twenty":14.222546,"median":17.173085,"eighty":23.025931,"marketCap":16397944267},{"date":"2024-11-08","current":21.110302,"twenty":14.2214,"median":17.172559,"eighty":23.042223,"marketCap":16337263005},{"date":"2024-11-15","current":21.725517,"twenty":14.2214,"median":17.172559,"eighty":23.042223,"marketCap":16813377526},{"date":"2024-11-22","current":22.829284,"twenty":14.2214,"median":17.172559,"eighty":23.042223,"marketCap":17667582992},{"date":"2024-11-29","current":22.97404,"twenty":14.2214,"median":17.172559,"eighty":23.078766,"marketCap":17779609938},{"date":"2024-12-06","current":22.485488,"twenty":14.2214,"median":17.172559,"eighty":23.078766,"marketCap":17401518995},{"date":"2024-12-13","current":22.033124,"twenty":14.2214,"median":17.172559,"eighty":23.078766,"marketCap":17051434787},{"date":"2024-12-20","current":21.635044,"twenty":14.2214,"median":17.172559,"eighty":23.078766,"marketCap":16743360685},{"date":"2024-12-27","current":22.226133,"twenty":14.2214,"median":17.172559,"eighty":23.078766,"marketCap":17200804049},{"date":"2025-01-03","current":21.930588,"twenty":14.2214,"median":17.172559,"eighty":23.078766,"marketCap":16972082367},{"date":"2025-01-10","current":21.984872,"twenty":14.220253,"median":17.167335,"eighty":23.082877,"marketCap":17014092472},{"date":"2025-01-17","current":22.937851,"twenty":14.220253,"median":17.167335,"eighty":23.082877,"marketCap":17751603202},{"date":"2025-01-24","current":22.678496,"twenty":14.220253,"median":17.167335,"eighty":23.156626,"marketCap":17550888256},{"date":"2025-01-31","current":22.750874,"twenty":14.220253,"median":17.167335,"eighty":23.156626,"marketCap":17606901729},{"date":"2025-02-07","current":23.034356,"twenty":14.220253,"median":17.167335,"eighty":23.156626,"marketCap":17826287833},{"date":"2025-02-14","current":24.473448,"twenty":14.220253,"median":17.167335,"eighty":23.288399,"marketCap":18609609704},{"date":"2025-02-21","current":24.708294,"twenty":14.220253,"median":17.167335,"eighty":23.974438,"marketCap":18788186767},{"date":"2025-02-28","current":24.776276,"twenty":14.220253,"median":17.167335,"eighty":24.48721,"marketCap":18839880127},{"date":"2025-03-07","current":23.849251,"twenty":14.219107,"median":17.162111,"eighty":24.429408,"marketCap":18134970669},{"date":"2025-03-14","current":23.898693,"twenty":14.219107,"median":17.162111,"eighty":23.988923,"marketCap":18172565840},{"date":"2025-03-21","current":24.454907,"twenty":14.219107,"median":17.162111,"eighty":24.246018,"marketCap":18595511515},{"date":"2025-03-28","current":24.56615,"twenty":14.219107,"median":17.162111,"eighty":24.3638,"marketCap":18680100650},{"date":"2025-04-04","current":24.56615,"twenty":14.219107,"median":17.162111,"eighty":24.452604,"marketCap":18680100650},{"date":"2025-04-11","current":23.524083,"twenty":14.220253,"median":17.167335,"eighty":24.354131,"marketCap":17887712698},{"date":"2025-04-17","current":24.105841,"twenty":14.220253,"median":17.167335,"eighty":24.263323,"marketCap":18330081810},{"date":"2025-04-25","current":24.557633,"twenty":14.219107,"median":17.162111,"eighty":24.123055,"marketCap":18673623779},{"date":"2025-05-02","current":24.11203,"twenty":14.219107,"median":17.162111,"eighty":24.110792,"marketCap":18334787864},{"date":"2025-05-09","current":21.425583,"twenty":14.219107,"median":17.162111,"eighty":24.050725,"marketCap":18644542423},{"date":"2025-05-16","current":20.927943,"twenty":14.219107,"median":17.162111,"eighty":23.818119,"marketCap":18211495742},{"date":"2025-05-23","current":20.825169,"twenty":14.219107,"median":17.162111,"eighty":23.470771,"marketCap":18122062189},{"date":"2025-05-30","current":21.090217,"twenty":14.219107,"median":17.162111,"eighty":23.086987,"marketCap":18352706616},{"date":"2025-06-06","current":21.090217,"twenty":14.219107,"median":17.162111,"eighty":22.986104,"marketCap":18352706616},{"date":"2025-06-13","current":21.587857,"twenty":14.219107,"median":17.162111,"eighty":22.937198,"marketCap":18785753297},{"date":"2025-06-20","current":21.247082,"twenty":14.217961,"median":17.159363,"eighty":22.833663,"marketCap":18489210461},{"date":"2025-06-27","current":21.425583,"twenty":14.217961,"median":17.159363,"eighty":22.750874,"marketCap":18644542423},{"date":"2025-07-03","current":21.398537,"twenty":14.217961,"median":17.159363,"eighty":22.638637,"marketCap":18621007277},{"date":"2025-07-11","current":21.420174,"twenty":14.217961,"median":17.159363,"eighty":22.497551,"marketCap":18639835394},{"date":"2025-07-18","current":21.75554,"twenty":14.217961,"median":17.159363,"eighty":22.459213,"marketCap":18931671201},{"date":"2025-07-25","current":22.664275,"twenty":14.217961,"median":17.159363,"eighty":22.43581,"marketCap":19722452096},{"date":"2025-08-01","current":22.961777,"twenty":14.217961,"median":17.159363,"eighty":22.382952,"marketCap":19981338699},{"date":"2025-08-08","current":22.501835,"twenty":14.246822,"median":17.176445,"eighty":22.459213,"marketCap":19950126731},{"date":"2025-08-15","current":22.597429,"twenty":14.287869,"median":17.20416,"eighty":22.490417,"marketCap":20034880632},{"date":"2025-08-22","current":22.459348,"twenty":14.315384,"median":17.234196,"eighty":22.496524,"marketCap":19912458330},{"date":"2025-08-29","current":22.379687,"twenty":14.361229,"median":17.25584,"eighty":22.501835,"marketCap":19841830079},{"date":"2025-09-05","current":21.152893,"twenty":14.390596,"median":17.305084,"eighty":22.502897,"marketCap":18754155008},{"date":"2025-09-12","current":21.843296,"twenty":14.426522,"median":17.342322,"eighty":22.501835,"marketCap":19366266520},{"date":"2025-09-19","current":21.328149,"twenty":14.47363,"median":17.397568,"eighty":22.501835,"marketCap":18909537161},{"date":"2025-09-26","current":22.209741,"twenty":14.51162,"median":17.468613,"eighty":22.507146,"marketCap":19691156476},{"date":"2025-10-03","current":22.889523,"twenty":14.544613,"median":17.502187,"eighty":22.550683,"marketCap":20293850887},{"date":"2025-10-10","current":22.80455,"twenty":14.583759,"median":17.528655,"eighty":22.608051,"marketCap":20218514086},{"date":"2025-10-17","current":22.953252,"twenty":14.647766,"median":17.59607,"eighty":22.666469,"marketCap":20350353488},{"date":"2025-10-24","current":23.298454,"twenty":14.670689,"median":17.706103,"eighty":22.762064,"marketCap":20656409244},{"date":"2025-10-31","current":22.447798,"twenty":14.699343,"median":17.799704,"eighty":22.775001,"marketCap":20104247636},{"date":"2025-11-07","current":22.794132,"twenty":14.719665,"median":17.855718,"eighty":22.799239,"marketCap":20414424730},{"date":"2025-11-14","current":22.89004,"twenty":14.739514,"median":17.998013,"eighty":22.829284,"marketCap":20500319925},{"date":"2025-11-21","current":22.59166,"twenty":14.796766,"median":18.122999,"eighty":22.842086,"marketCap":20233090429},{"date":"2025-11-28","current":23.316298,"twenty":14.842611,"median":18.383374,"eighty":22.877536,"marketCap":20882076349},{"date":"2025-12-05","current":22.31992,"twenty":14.882727,"median":18.641027,"eighty":22.889599,"marketCap":19989720709},{"date":"2025-12-12","current":22.213356,"twenty":14.945765,"median":19.003524,"eighty":22.889599,"marketCap":19894281604},{"date":"2025-12-19","current":22.117448,"twenty":15.002619,"median":19.093374,"eighty":22.889599,"marketCap":19808386408},{"date":"2025-12-26","current":22.314592,"twenty":15.047403,"median":19.252921,"eighty":22.889599,"marketCap":19984948754},{"date":"2026-01-02","current":22.250654,"twenty":15.083549,"median":19.38632,"eighty":22.889599,"marketCap":19927685291},{"date":"2026-01-09","current":22.138761,"twenty":15.106011,"median":19.515619,"eighty":22.889599,"marketCap":19827474229},{"date":"2026-01-16","current":23.193749,"twenty":15.146341,"median":19.567021,"eighty":22.896071,"marketCap":20772321377},{"date":"2026-01-23","current":23.188421,"twenty":15.187353,"median":19.608723,"eighty":22.943322,"marketCap":20767549422},{"date":"2026-01-30","current":23.79051,"twenty":15.220941,"median":19.70583,"eighty":22.972596,"marketCap":21306780369},{"date":"2026-02-06","current":23.406878,"twenty":15.265725,"median":19.737933,"eighty":22.986104,"marketCap":20963199588},{"date":"2026-02-13","current":23.259956,"twenty":15.289609,"median":19.777817,"eighty":23.002569,"marketCap":21620128665},{"date":"2026-02-20","current":23.589446,"twenty":15.332901,"median":19.835816,"eighty":23.043536,"marketCap":21926389895},{"date":"2026-02-27","current":24.042495,"twenty":15.360891,"median":19.87284,"eighty":23.128509,"marketCap":22347499085},{"date":"2026-03-06","current":24.217537,"twenty":15.392762,"median":19.940215,"eighty":23.179112,"marketCap":22510200363},{"date":"2026-03-13","current":24.037347,"twenty":15.416871,"median":20.068256,"eighty":23.205188,"marketCap":22342713753},{"date":"2026-03-20","current":24.037347,"twenty":15.428067,"median":20.117113,"eighty":23.259956,"marketCap":22342713753},{"date":"2026-03-27","current":23.393811,"twenty":15.461655,"median":20.180913,"eighty":23.294985,"marketCap":21744547290},{"date":"2026-04-02","current":24.187069,"twenty":15.503677,"median":20.229622,"eighty":23.321735,"marketCap":22481880210},{"date":"2026-04-10","current":24.996742,"twenty":15.534429,"median":20.381011,"eighty":23.406878,"marketCap":23234471935},{"date":"2026-04-17","current":24.609955,"twenty":15.553223,"median":20.484707,"eighty":23.437781,"marketCap":22874953595},{"date":"2026-04-24","current":24.903913,"twenty":15.573615,"median":20.55688,"eighty":23.513442,"marketCap":23148187534},{"date":"2026-05-01","current":24.898756,"twenty":15.607203,"median":20.743933,"eighty":23.585972,"marketCap":23143393956},{"date":"2026-05-08","current":23.438587,"twenty":15.614173,"median":20.813932,"eighty":23.589446,"marketCap":22543233299},{"date":"2026-05-15","current":23.63798,"twenty":15.614173,"median":20.813932,"eighty":23.523329,"marketCap":22735008997},{"date":"2026-05-22","current":23.782539,"twenty":15.614173,"median":20.813932,"eighty":23.513442,"marketCap":22874046378},{"date":"2026-05-29","current":23.313967,"twenty":15.613263,"median":20.802695,"eighty":23.467619,"marketCap":22423373488},{"date":"2026-06-05","current":22.855364,"twenty":15.614173,"median":20.813932,"eighty":23.443572,"marketCap":21982289383},{"date":"2026-06-12","current":23.239195,"twenty":15.614173,"median":20.813932,"eighty":23.422862,"marketCap":22351457601},{"date":"2026-06-18","current":23.313967,"twenty":15.614173,"median":20.813932,"eighty":23.412206,"marketCap":22423373488},{"date":"2026-06-26","current":23.832388,"twenty":15.613263,"median":20.802695,"eighty":23.409846,"marketCap":22921990303},{"date":"2026-07-02","current":23.363815,"twenty":15.613263,"median":20.802695,"eighty":23.407354,"marketCap":22471317413},{"date":"2026-07-10","current":23.259134,"twenty":15.613263,"median":20.802695,"eighty":23.398352,"marketCap":22370635171},{"date":"2026-07-17","current":23.064726,"twenty":15.613263,"median":20.802695,"eighty":23.35584,"marketCap":22183653866},{"date":"2026-07-24","current":23.303997,"twenty":15.613263,"median":20.802695,"eighty":23.314051,"marketCap":22413784703},{"date":"2026-07-31","current":22.466549,"twenty":15.612353,"median":20.776739,"eighty":23.29142,"marketCap":21608326772},{"date":"2026-08-07","current":22.984551,"twenty":15.612353,"median":20.776739,"eighty":23.259463,"marketCap":20803317138},{"date":"2026-08-14","current":22.295756,"twenty":15.612353,"median":20.776739,"eighty":23.239195,"marketCap":20179889008},{"date":"2026-08-21","current":22.062626,"twenty":15.612353,"median":20.776739,"eighty":23.208505,"marketCap":19968882564},{"date":"2026-08-28","current":21.702333,"twenty":15.612353,"median":20.776739,"eighty":23.190552,"marketCap":19642781696},{"date":"2026-09-04","current":22.073223,"twenty":15.612353,"median":20.776739,"eighty":23.137787,"marketCap":19978473766},{"date":"2026-09-10","current":22.078521,"twenty":15.612353,"median":20.776739,"eighty":23.126093,"marketCap":19983269367}],"updateTime":1789130161075},"$inf$@#url:\"https://stock-news.skytigris.cn/v3/notice/important/events/list\",params:#symbol:\"NI\",pageSize:20,pageCount:10,market:\"us\",,,undefined,":[{"items":[{"cdn_pdf":false,"hasAttachments":true,"id":"10443278","market":"us","labels":[],"media":"sec.gov","original_id":"AN119312520266844-NI","pdf_url":null,"pub_time":1602172800000,"showTitleType":true,"size":0,"source":"sec_us","summary":"8-K  - Current report","symbol":"NI","title":"8-K  - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520266844/0001193125-20-266844-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 8.01: Other Events","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"XBRL TAXONOMY EXTENSION SCHEMA","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520266844/ni-20201009.xsd","primary":true,"translateUrl":null,"linkName":"ni-20201009.xsd","type":"EX-101.SCH","id":"NTFILEBCApoyxozTRsGG87","market":"us","size":4112},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520266844/d55991d8k.htm","primary":false,"translateUrl":null,"linkName":"d55991d8k.htm","type":"8-K","id":"NTFILE5LkFxCukmB9ykK5D","market":"us","size":27350},{"description":"XBRL TAXONOMY EXTENSION DEFINITION LINKBASE","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520266844/ni-20201009_def.xml","primary":false,"translateUrl":null,"linkName":"ni-20201009_def.xml","type":"EX-101.DEF","id":"NTFILE3nSscDSMFBhYmeb4","market":"us","size":13380},{"description":"XBRL TAXONOMY EXTENSION LABEL LINKBASE","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520266844/ni-20201009_lab.xml","primary":false,"translateUrl":null,"linkName":"ni-20201009_lab.xml","type":"EX-101.LAB","id":"NTFILE9kbwzZNJ6aHDg8ED","market":"us","size":22053},{"description":"XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520266844/ni-20201009_pre.xml","primary":false,"translateUrl":null,"linkName":"ni-20201009_pre.xml","type":"EX-101.PRE","id":"NTFILE3d2C3YgYett4nUqR","market":"us","size":14282},{"description":"EXTRACTED XBRL INSTANCE DOCUMENT","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520266844/d55991d8k_htm.xml","primary":false,"translateUrl":null,"linkName":"d55991d8k_htm.xml","type":"XML","id":"NTFILEEnHGLj82zN1qqMrn","market":"us","size":5420}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Major Issues Report","pubTime":"2020-10-09 00:00","pubTimestamp":1602172800,"title_zh":"8-K  - Current report","summary_en":"Item 8.01: Other Events","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"10415177","market":"us","labels":[],"media":"sec.gov","original_id":"AN119312520257163-NI","pdf_url":null,"pub_time":1601308800000,"showTitleType":true,"size":0,"source":"sec_us","summary":"8-K  - Current report","symbol":"NI","title":"8-K  - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520257163/0001193125-20-257163-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 7.01: Regulation FD Disclosure;\nItem 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"EX-99.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520257163/d78698dex991.htm","primary":true,"translateUrl":null,"linkName":"d78698dex991.htm","type":"EX-99.1","id":"NTFILEDuhYWqZVZmWvUGX6","market":"us","size":20896},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520257163/d78698d8k.htm","primary":false,"translateUrl":null,"linkName":"d78698d8k.htm","type":"8-K","id":"NTFILE5hwcF4swoBS2qbu9","market":"us","size":28602},{"description":"EX-99.2","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520257163/d78698dex992.htm","primary":false,"translateUrl":null,"linkName":"d78698dex992.htm","type":"EX-99.2","id":"NTFILE9Vtaz2Z8nxGZ6t5Y","market":"us","size":62474},{"description":"XBRL TAXONOMY EXTENSION SCHEMA","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520257163/ni-20200929.xsd","primary":false,"translateUrl":null,"linkName":"ni-20200929.xsd","type":"EX-101.SCH","id":"NTFILE3eEDsVYY4LmbLrki","market":"us","size":3769},{"description":"XBRL TAXONOMY EXTENSION DEFINITION LINKBASE","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520257163/ni-20200929_def.xml","primary":false,"translateUrl":null,"linkName":"ni-20200929_def.xml","type":"EX-101.DEF","id":"NTFILEB3kt8GA4pNE8jdp8","market":"us","size":14815},{"description":"XBRL TAXONOMY EXTENSION LABEL LINKBASE","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520257163/ni-20200929_lab.xml","primary":false,"translateUrl":null,"linkName":"ni-20200929_lab.xml","type":"EX-101.LAB","id":"NTFILE9b2L6qaq3bUe9PBF","market":"us","size":23595},{"description":"XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520257163/ni-20200929_pre.xml","primary":false,"translateUrl":null,"linkName":"ni-20200929_pre.xml","type":"EX-101.PRE","id":"NTFILEAH4CZUggFFSGi1vi","market":"us","size":15258},{"description":"GRAPHIC","seq":8,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520257163/g78698ex99_2s10g1.jpg","primary":false,"translateUrl":null,"linkName":"g78698ex99_2s10g1.jpg","type":"GRAPHIC","id":"NTFILE7juc2E9nFprfGsBD","market":"us","size":189604},{"description":"GRAPHIC","seq":9,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520257163/g78698ex99_2s11g1.jpg","primary":false,"translateUrl":null,"linkName":"g78698ex99_2s11g1.jpg","type":"GRAPHIC","id":"NTFILE2iqtYkKhE9mGyDkZ","market":"us","size":209511},{"description":"GRAPHIC","seq":10,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520257163/g78698ex99_2s12g1.jpg","primary":false,"translateUrl":null,"linkName":"g78698ex99_2s12g1.jpg","type":"GRAPHIC","id":"NTFILEHyzQ8Qj7vjTxEWM9","market":"us","size":413282},{"description":"GRAPHIC","seq":11,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520257163/g78698ex99_2s13g1.jpg","primary":false,"translateUrl":null,"linkName":"g78698ex99_2s13g1.jpg","type":"GRAPHIC","id":"NTFILEZ4n3CgJ1k87i4GbE","market":"us","size":293994},{"description":"GRAPHIC","seq":12,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520257163/g78698ex99_2s14g1.jpg","primary":false,"translateUrl":null,"linkName":"g78698ex99_2s14g1.jpg","type":"GRAPHIC","id":"NTFILEEyN4oc1jNkZG1a17","market":"us","size":241470},{"description":"GRAPHIC","seq":13,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520257163/g78698ex99_2s15g1.jpg","primary":false,"translateUrl":null,"linkName":"g78698ex99_2s15g1.jpg","type":"GRAPHIC","id":"NTFILEGUEWLvCvAJyuySDs","market":"us","size":242873},{"description":"GRAPHIC","seq":14,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520257163/g78698ex99_2s16g1.jpg","primary":false,"translateUrl":null,"linkName":"g78698ex99_2s16g1.jpg","type":"GRAPHIC","id":"NTFILEEtMQNCHyqRFeZgeU","market":"us","size":342193},{"description":"GRAPHIC","seq":15,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520257163/g78698ex99_2s17g1.jpg","primary":false,"translateUrl":null,"linkName":"g78698ex99_2s17g1.jpg","type":"GRAPHIC","id":"NTFILEEfJMH1Zxq2Nhdsb3","market":"us","size":291374},{"description":"GRAPHIC","seq":16,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520257163/g78698ex99_2s18g1.jpg","primary":false,"translateUrl":null,"linkName":"g78698ex99_2s18g1.jpg","type":"GRAPHIC","id":"NTFILE2Pf8GjGyrG4mvPQR","market":"us","size":451212},{"description":"GRAPHIC","seq":17,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520257163/g78698ex99_2s19g1.jpg","primary":false,"translateUrl":null,"linkName":"g78698ex99_2s19g1.jpg","type":"GRAPHIC","id":"NTFILEBxXAViKKJqbPnzMF","market":"us","size":362376},{"description":"GRAPHIC","seq":18,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520257163/g78698ex99_2s1g1.jpg","primary":false,"translateUrl":null,"linkName":"g78698ex99_2s1g1.jpg","type":"GRAPHIC","id":"NTFILE6CVVG7UKCYdhZda2","market":"us","size":386437},{"description":"GRAPHIC","seq":19,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520257163/g78698ex99_2s20g1.jpg","primary":false,"translateUrl":null,"linkName":"g78698ex99_2s20g1.jpg","type":"GRAPHIC","id":"NTFILE9qMDLxVBoPE1KhzQ","market":"us","size":417959},{"description":"GRAPHIC","seq":20,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520257163/g78698ex99_2s21g1.jpg","primary":false,"translateUrl":null,"linkName":"g78698ex99_2s21g1.jpg","type":"GRAPHIC","id":"NTFILEAFP3o2Q1vX55x8YP","market":"us","size":277573},{"description":"GRAPHIC","seq":21,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520257163/g78698ex99_2s22g1.jpg","primary":false,"translateUrl":null,"linkName":"g78698ex99_2s22g1.jpg","type":"GRAPHIC","id":"NTFILE88rAZLLt49DdyPmW","market":"us","size":243998},{"description":"GRAPHIC","seq":22,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520257163/g78698ex99_2s23g1.jpg","primary":false,"translateUrl":null,"linkName":"g78698ex99_2s23g1.jpg","type":"GRAPHIC","id":"NTFILE8prMiHDtKzQEVbzZ","market":"us","size":231909},{"description":"GRAPHIC","seq":23,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520257163/g78698ex99_2s24g1.jpg","primary":false,"translateUrl":null,"linkName":"g78698ex99_2s24g1.jpg","type":"GRAPHIC","id":"NTFILE5buQw8VFVHGarHdJ","market":"us","size":211143},{"description":"GRAPHIC","seq":24,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520257163/g78698ex99_2s25g1.jpg","primary":false,"translateUrl":null,"linkName":"g78698ex99_2s25g1.jpg","type":"GRAPHIC","id":"NTFILE2iB4d3jEwq4w2udm","market":"us","size":243886},{"description":"GRAPHIC","seq":25,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520257163/g78698ex99_2s26g1.jpg","primary":false,"translateUrl":null,"linkName":"g78698ex99_2s26g1.jpg","type":"GRAPHIC","id":"NTFILECmbCKmfUvRqMLUf2","market":"us","size":349242},{"description":"GRAPHIC","seq":26,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520257163/g78698ex99_2s27g1.jpg","primary":false,"translateUrl":null,"linkName":"g78698ex99_2s27g1.jpg","type":"GRAPHIC","id":"NTFILE3w8hNgaacCpLH7mm","market":"us","size":309639},{"description":"GRAPHIC","seq":27,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520257163/g78698ex99_2s28g1.jpg","primary":false,"translateUrl":null,"linkName":"g78698ex99_2s28g1.jpg","type":"GRAPHIC","id":"NTFILE9T2PGJai1VTtJp5y","market":"us","size":243062},{"description":"GRAPHIC","seq":28,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520257163/g78698ex99_2s29g1.jpg","primary":false,"translateUrl":null,"linkName":"g78698ex99_2s29g1.jpg","type":"GRAPHIC","id":"NTFILECc9FCN8QrxihjVRu","market":"us","size":337347},{"description":"GRAPHIC","seq":29,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520257163/g78698ex99_2s2g1.jpg","primary":false,"translateUrl":null,"linkName":"g78698ex99_2s2g1.jpg","type":"GRAPHIC","id":"NTFILE3jFUYhSBUobJ58Eo","market":"us","size":670943},{"description":"GRAPHIC","seq":30,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520257163/g78698ex99_2s30g1.jpg","primary":false,"translateUrl":null,"linkName":"g78698ex99_2s30g1.jpg","type":"GRAPHIC","id":"NTFILEDiyn2TRPFupJ5RCJ","market":"us","size":247216},{"description":"GRAPHIC","seq":31,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520257163/g78698ex99_2s31g1.jpg","primary":false,"translateUrl":null,"linkName":"g78698ex99_2s31g1.jpg","type":"GRAPHIC","id":"NTFILECJ8BB48h7e4MUv1z","market":"us","size":235216},{"description":"GRAPHIC","seq":32,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520257163/g78698ex99_2s32g1.jpg","primary":false,"translateUrl":null,"linkName":"g78698ex99_2s32g1.jpg","type":"GRAPHIC","id":"NTFILE84D92zWrMAGY89fd","market":"us","size":404488},{"description":"GRAPHIC","seq":33,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520257163/g78698ex99_2s33g1.jpg","primary":false,"translateUrl":null,"linkName":"g78698ex99_2s33g1.jpg","type":"GRAPHIC","id":"NTFILECftUcu2NMnviCVGB","market":"us","size":310675},{"description":"GRAPHIC","seq":34,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520257163/g78698ex99_2s34g1.jpg","primary":false,"translateUrl":null,"linkName":"g78698ex99_2s34g1.jpg","type":"GRAPHIC","id":"NTFILEFzMzqrtV71m2HWSU","market":"us","size":203348},{"description":"GRAPHIC","seq":35,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520257163/g78698ex99_2s35g1.jpg","primary":false,"translateUrl":null,"linkName":"g78698ex99_2s35g1.jpg","type":"GRAPHIC","id":"NTFILE5P7EESpbEyT3EQ8a","market":"us","size":253695},{"description":"GRAPHIC","seq":36,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520257163/g78698ex99_2s36g1.jpg","primary":false,"translateUrl":null,"linkName":"g78698ex99_2s36g1.jpg","type":"GRAPHIC","id":"NTFILE8ro3fwNWQE6jaF6u","market":"us","size":229309},{"description":"GRAPHIC","seq":37,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520257163/g78698ex99_2s37g1.jpg","primary":false,"translateUrl":null,"linkName":"g78698ex99_2s37g1.jpg","type":"GRAPHIC","id":"NTFILE5xv8aWsif1EeXEFZ","market":"us","size":204062},{"description":"GRAPHIC","seq":38,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520257163/g78698ex99_2s38g1.jpg","primary":false,"translateUrl":null,"linkName":"g78698ex99_2s38g1.jpg","type":"GRAPHIC","id":"NTFILE2FTocrKNbcufy9Vr","market":"us","size":218147},{"description":"GRAPHIC","seq":39,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520257163/g78698ex99_2s39g1.jpg","primary":false,"translateUrl":null,"linkName":"g78698ex99_2s39g1.jpg","type":"GRAPHIC","id":"NTFILEBaVBBhhc78rMEiGS","market":"us","size":304264},{"description":"GRAPHIC","seq":40,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520257163/g78698ex99_2s3g1.jpg","primary":false,"translateUrl":null,"linkName":"g78698ex99_2s3g1.jpg","type":"GRAPHIC","id":"NTFILE47dSp3b9saftLgLU","market":"us","size":198439},{"description":"GRAPHIC","seq":41,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520257163/g78698ex99_2s40g1.jpg","primary":false,"translateUrl":null,"linkName":"g78698ex99_2s40g1.jpg","type":"GRAPHIC","id":"NTFILE8YYQ2LwtX3w7pfNC","market":"us","size":158021},{"description":"GRAPHIC","seq":42,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520257163/g78698ex99_2s41g1.jpg","primary":false,"translateUrl":null,"linkName":"g78698ex99_2s41g1.jpg","type":"GRAPHIC","id":"NTFILEC6T1ZBKkTQC5Dp7b","market":"us","size":394696},{"description":"GRAPHIC","seq":43,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520257163/g78698ex99_2s42g1.jpg","primary":false,"translateUrl":null,"linkName":"g78698ex99_2s42g1.jpg","type":"GRAPHIC","id":"NTFILE6vBTdGvtZ9KJRoyG","market":"us","size":273735},{"description":"GRAPHIC","seq":44,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520257163/g78698ex99_2s43g1.jpg","primary":false,"translateUrl":null,"linkName":"g78698ex99_2s43g1.jpg","type":"GRAPHIC","id":"NTFILEE4UCTgqMY66T52oh","market":"us","size":209672},{"description":"GRAPHIC","seq":45,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520257163/g78698ex99_2s44g1.jpg","primary":false,"translateUrl":null,"linkName":"g78698ex99_2s44g1.jpg","type":"GRAPHIC","id":"NTFILE3eiZi3iyXYFUrgQH","market":"us","size":372883},{"description":"GRAPHIC","seq":46,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520257163/g78698ex99_2s45g1.jpg","primary":false,"translateUrl":null,"linkName":"g78698ex99_2s45g1.jpg","type":"GRAPHIC","id":"NTFILEE1xuM4JtUyViwGk2","market":"us","size":375606},{"description":"GRAPHIC","seq":47,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520257163/g78698ex99_2s46g1.jpg","primary":false,"translateUrl":null,"linkName":"g78698ex99_2s46g1.jpg","type":"GRAPHIC","id":"NTFILEApVTGfVHyD35ccDc","market":"us","size":242344},{"description":"GRAPHIC","seq":48,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520257163/g78698ex99_2s47g1.jpg","primary":false,"translateUrl":null,"linkName":"g78698ex99_2s47g1.jpg","type":"GRAPHIC","id":"NTFILE3How7bo2Z6NnLb5D","market":"us","size":262163},{"description":"GRAPHIC","seq":49,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520257163/g78698ex99_2s48g1.jpg","primary":false,"translateUrl":null,"linkName":"g78698ex99_2s48g1.jpg","type":"GRAPHIC","id":"NTFILEGu7D1DMCphwYtZuw","market":"us","size":258318},{"description":"GRAPHIC","seq":50,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520257163/g78698ex99_2s49g1.jpg","primary":false,"translateUrl":null,"linkName":"g78698ex99_2s49g1.jpg","type":"GRAPHIC","id":"NTFILE4zUyga91NDzbuv1Z","market":"us","size":260343},{"description":"GRAPHIC","seq":51,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520257163/g78698ex99_2s4g1.jpg","primary":false,"translateUrl":null,"linkName":"g78698ex99_2s4g1.jpg","type":"GRAPHIC","id":"NTFILEGjUv9gjLsA9jGCfQ","market":"us","size":409263},{"description":"GRAPHIC","seq":52,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520257163/g78698ex99_2s50g1.jpg","primary":false,"translateUrl":null,"linkName":"g78698ex99_2s50g1.jpg","type":"GRAPHIC","id":"NTFILE6kE23fWxB275Zh6C","market":"us","size":249568},{"description":"GRAPHIC","seq":53,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520257163/g78698ex99_2s51g1.jpg","primary":false,"translateUrl":null,"linkName":"g78698ex99_2s51g1.jpg","type":"GRAPHIC","id":"NTFILE35a2fdQCzEnMCyRw","market":"us","size":224182},{"description":"GRAPHIC","seq":54,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520257163/g78698ex99_2s52g1.jpg","primary":false,"translateUrl":null,"linkName":"g78698ex99_2s52g1.jpg","type":"GRAPHIC","id":"NTFILE4ciPniEXYoa828QR","market":"us","size":267469},{"description":"GRAPHIC","seq":55,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520257163/g78698ex99_2s5g1.jpg","primary":false,"translateUrl":null,"linkName":"g78698ex99_2s5g1.jpg","type":"GRAPHIC","id":"NTFILE9fN1yMTeUSfrLC6B","market":"us","size":218112},{"description":"GRAPHIC","seq":56,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520257163/g78698ex99_2s6g1.jpg","primary":false,"translateUrl":null,"linkName":"g78698ex99_2s6g1.jpg","type":"GRAPHIC","id":"NTFILEBzJ5btTzzYWajxgv","market":"us","size":483599},{"description":"GRAPHIC","seq":57,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520257163/g78698ex99_2s7g1.jpg","primary":false,"translateUrl":null,"linkName":"g78698ex99_2s7g1.jpg","type":"GRAPHIC","id":"NTFILE8HFznb5iFmf78HK4","market":"us","size":350945},{"description":"GRAPHIC","seq":58,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520257163/g78698ex99_2s8g1.jpg","primary":false,"translateUrl":null,"linkName":"g78698ex99_2s8g1.jpg","type":"GRAPHIC","id":"NTFILE2LLHveYC5XX84g56","market":"us","size":345649},{"description":"GRAPHIC","seq":59,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520257163/g78698ex99_2s9g1.jpg","primary":false,"translateUrl":null,"linkName":"g78698ex99_2s9g1.jpg","type":"GRAPHIC","id":"NTFILEEVDvRbui4aSSepiA","market":"us","size":375476},{"description":"GRAPHIC","seq":60,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520257163/g78698img001.jpg","primary":false,"translateUrl":null,"linkName":"g78698img001.jpg","type":"GRAPHIC","id":"NTFILE8wR8fqzt9wghQ57S","market":"us","size":27824},{"description":"EXTRACTED XBRL INSTANCE DOCUMENT","seq":61,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520257163/d78698d8k_htm.xml","primary":false,"translateUrl":null,"linkName":"d78698d8k_htm.xml","type":"XML","id":"NTFILE3ccCzhE5jmLDBM8c","market":"us","size":5499}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Major Issues Report","pubTime":"2020-09-29 00:00","pubTimestamp":1601308800,"title_zh":"8-K  - Current report","summary_en":"Item 7.01: Regulation FD Disclosure;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"10300369","market":"us","labels":[],"media":"sec.gov","original_id":"AN119312520231294-NI","pdf_url":null,"pub_time":1598371200000,"showTitleType":true,"size":0,"source":"sec_us","summary":"8-K  - Current report","symbol":"NI","title":"8-K  - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520231294/0001193125-20-231294-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 8.01: Other Events;\nItem 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"EX-99.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520231294/d96157dex991.htm","primary":true,"translateUrl":null,"linkName":"d96157dex991.htm","type":"EX-99.1","id":"NTFILEDa6fMCbFi3kD8YiV","market":"us","size":22516},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520231294/d96157d8k.htm","primary":false,"translateUrl":null,"linkName":"d96157d8k.htm","type":"8-K","id":"NTFILE7hcV13HMt8yApzmB","market":"us","size":33488},{"description":"EX-99.2","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520231294/d96157dex992.htm","primary":false,"translateUrl":null,"linkName":"d96157dex992.htm","type":"EX-99.2","id":"NTFILEHSRAxiregsL2TSbR","market":"us","size":29193},{"description":"XBRL TAXONOMY EXTENSION SCHEMA","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520231294/nix-20200826.xsd","primary":false,"translateUrl":null,"linkName":"nix-20200826.xsd","type":"EX-101.SCH","id":"NTFILE7KLeM3zdPefGMCog","market":"us","size":4119},{"description":"XBRL TAXONOMY EXTENSION DEFINITION LINKBASE","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520231294/nix-20200826_def.xml","primary":false,"translateUrl":null,"linkName":"nix-20200826_def.xml","type":"EX-101.DEF","id":"NTFILEELfLAFRsJLw5vx5C","market":"us","size":13413},{"description":"XBRL TAXONOMY EXTENSION LABEL LINKBASE","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520231294/nix-20200826_lab.xml","primary":false,"translateUrl":null,"linkName":"nix-20200826_lab.xml","type":"EX-101.LAB","id":"NTFILE2E9q4J2rdx7Qc9P3","market":"us","size":22068},{"description":"XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520231294/nix-20200826_pre.xml","primary":false,"translateUrl":null,"linkName":"nix-20200826_pre.xml","type":"EX-101.PRE","id":"NTFILECFo3uyE1cEJTzzhE","market":"us","size":14316},{"description":"GRAPHIC","seq":8,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520231294/g96157img11.jpg","primary":false,"translateUrl":null,"linkName":"g96157img11.jpg","type":"GRAPHIC","id":"NTFILEEwYQZ84QcdQ4BBLS","market":"us","size":31598},{"description":"EXTRACTED XBRL INSTANCE DOCUMENT","seq":9,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520231294/d96157d8k_htm.xml","primary":false,"translateUrl":null,"linkName":"d96157d8k_htm.xml","type":"XML","id":"NTFILE8NpwWjik3e8nCMDJ","market":"us","size":5421}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Major Issues Report","pubTime":"2020-08-26 00:00","pubTimestamp":1598371200,"title_zh":"8-K  - Current report","summary_en":"Item 8.01: Other Events;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"10293858","market":"us","labels":[],"media":"sec.gov","original_id":"AN119312520229886-NI","pdf_url":null,"pub_time":1598284800000,"showTitleType":true,"size":0,"source":"sec_us","summary":"S-8  - Securities to be offered to employees in employee benefit plans","symbol":"NI","title":"S-8  - Securities to be offered to employees in employee benefit plans","titleType":"Employee Stock Ownership","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520229886/0001193125-20-229886-index.htm","us_notice_code":"Form S-8","us_title_en":"S-8  - Securities to be offered to employees in employee benefit plans","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"S-8","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520229886/d37898ds8.htm","primary":true,"translateUrl":null,"linkName":"d37898ds8.htm","type":"S-8","id":"NTFILEHXnUsfgEuPJX6pC5","market":"us","size":68904},{"description":"EX-5.1","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520229886/d37898dex51.htm","primary":false,"translateUrl":null,"linkName":"d37898dex51.htm","type":"EX-5.1","id":"NTFILE5VoUU9z6Az4EswUZ","market":"us","size":9260},{"description":"EX-23.1","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520229886/d37898dex231.htm","primary":false,"translateUrl":null,"linkName":"d37898dex231.htm","type":"EX-23.1","id":"NTFILEGVb6yqnxjZ6VWymH","market":"us","size":1561},{"description":"GRAPHIC","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520229886/g37898g0515161348674.jpg","primary":false,"translateUrl":null,"linkName":"g37898g0515161348674.jpg","type":"GRAPHIC","id":"NTFILE4Uq4dxhFd2ufXyuo","market":"us","size":2091}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Employee Stock Ownership","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Employee Stock Ownership","pubTime":"2020-08-25 00:00","pubTimestamp":1598284800,"title_zh":"S-8  - Securities to be offered to employees in employee benefit plans","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"10272489","market":"us","labels":[],"media":"sec.gov","original_id":"AN119312520224280-NI","pdf_url":null,"pub_time":1597766400000,"showTitleType":true,"size":0,"source":"sec_us","summary":"8-K  - Current report","symbol":"NI","title":"8-K  - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520224280/0001193125-20-224280-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 8.01: Other Events;\nItem 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"EX-99.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520224280/d794628dex991.htm","primary":true,"translateUrl":null,"linkName":"d794628dex991.htm","type":"EX-99.1","id":"NTFILEJA8B75RPaa45GHf9","market":"us","size":23509},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520224280/d794628d8k.htm","primary":false,"translateUrl":null,"linkName":"d794628d8k.htm","type":"8-K","id":"NTFILE8unMK7zysGUwTBdr","market":"us","size":34252},{"description":"XBRL TAXONOMY EXTENSION SCHEMA","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520224280/nix-20200818.xsd","primary":false,"translateUrl":null,"linkName":"nix-20200818.xsd","type":"EX-101.SCH","id":"NTFILE78yEMevvVVstWhYx","market":"us","size":4118},{"description":"XBRL TAXONOMY EXTENSION DEFINITION LINKBASE","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520224280/nix-20200818_def.xml","primary":false,"translateUrl":null,"linkName":"nix-20200818_def.xml","type":"EX-101.DEF","id":"NTFILE5fZjQpxHp8rPysNP","market":"us","size":13412},{"description":"XBRL TAXONOMY EXTENSION LABEL LINKBASE","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520224280/nix-20200818_lab.xml","primary":false,"translateUrl":null,"linkName":"nix-20200818_lab.xml","type":"EX-101.LAB","id":"NTFILECTPc7aghcpQVSUer","market":"us","size":22067},{"description":"XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520224280/nix-20200818_pre.xml","primary":false,"translateUrl":null,"linkName":"nix-20200818_pre.xml","type":"EX-101.PRE","id":"NTFILE9NpxBWoPcNXz5eVs","market":"us","size":14315},{"description":"GRAPHIC","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520224280/g794628g64y08.jpg","primary":false,"translateUrl":null,"linkName":"g794628g64y08.jpg","type":"GRAPHIC","id":"NTFILE6nDzqp6r9datthKS","market":"us","size":28620},{"description":"EXTRACTED XBRL INSTANCE DOCUMENT","seq":8,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520224280/d794628d8k_htm.xml","primary":false,"translateUrl":null,"linkName":"d794628d8k_htm.xml","type":"XML","id":"NTFILECxJcQWY5tdfhLEoE","market":"us","size":5421}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Major Issues Report","pubTime":"2020-08-19 00:00","pubTimestamp":1597766400,"title_zh":"8-K  - Current report","summary_en":"Item 8.01: Other Events;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"10269393","market":"us","labels":[],"media":"sec.gov","original_id":"AN119312520223605-NI","pdf_url":null,"pub_time":1597680000000,"showTitleType":true,"size":0,"source":"sec_us","summary":"8-K  - Current report","symbol":"NI","title":"8-K  - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520223605/0001193125-20-223605-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 8.01: Other Events;\nItem 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"EX-4.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520223605/d80847dex41.htm","primary":true,"translateUrl":null,"linkName":"d80847dex41.htm","type":"EX-4.1","id":"NTFILEASzuQTZJcAxHUxzD","market":"us","size":47449},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520223605/d80847d8k.htm","primary":false,"translateUrl":null,"linkName":"d80847d8k.htm","type":"8-K","id":"NTFILE3aghqrTeFgfLsXSV","market":"us","size":30171},{"description":"EX-4.2","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520223605/d80847dex42.htm","primary":false,"translateUrl":null,"linkName":"d80847dex42.htm","type":"EX-4.2","id":"NTFILEA4sYyxYfdYoVooD8","market":"us","size":47458},{"description":"EX-5.1","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520223605/d80847dex51.htm","primary":false,"translateUrl":null,"linkName":"d80847dex51.htm","type":"EX-5.1","id":"NTFILE2ebj3pbkiDprFQDH","market":"us","size":10161},{"description":"XBRL TAXONOMY EXTENSION SCHEMA","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520223605/nix-20200818.xsd","primary":false,"translateUrl":null,"linkName":"nix-20200818.xsd","type":"EX-101.SCH","id":"NTFILE41J5Upfmm4cYD73N","market":"us","size":4119},{"description":"XBRL TAXONOMY EXTENSION DEFINITION LINKBASE","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520223605/nix-20200818_def.xml","primary":false,"translateUrl":null,"linkName":"nix-20200818_def.xml","type":"EX-101.DEF","id":"NTFILE29Ccavp3HGWAXrJG","market":"us","size":13413},{"description":"XBRL TAXONOMY EXTENSION LABEL LINKBASE","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520223605/nix-20200818_lab.xml","primary":false,"translateUrl":null,"linkName":"nix-20200818_lab.xml","type":"EX-101.LAB","id":"NTFILEDA2oyhzAqZGnZvKY","market":"us","size":22068},{"description":"XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE","seq":8,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520223605/nix-20200818_pre.xml","primary":false,"translateUrl":null,"linkName":"nix-20200818_pre.xml","type":"EX-101.PRE","id":"NTFILE3VgdadCA1jBEaf9N","market":"us","size":14316},{"description":"GRAPHIC","seq":9,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520223605/g80847img001.jpg","primary":false,"translateUrl":null,"linkName":"g80847img001.jpg","type":"GRAPHIC","id":"NTFILEWr5VQpyASDJrfWfa","market":"us","size":6638},{"description":"EXTRACTED XBRL INSTANCE DOCUMENT","seq":10,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520223605/d80847d8k_htm.xml","primary":false,"translateUrl":null,"linkName":"d80847d8k_htm.xml","type":"XML","id":"NTFILE9XjRMwCG1T8PKjug","market":"us","size":5421}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Major Issues Report","pubTime":"2020-08-18 00:00","pubTimestamp":1597680000,"title_zh":"8-K  - Current report","summary_en":"Item 8.01: Other Events;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"10253649","market":"us","labels":[],"media":"sec.gov","original_id":"AN119312520217810-NI","pdf_url":null,"pub_time":1597248000000,"showTitleType":true,"size":0,"source":"sec_us","summary":"8-K  - Current report","symbol":"NI","title":"8-K  - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520217810/0001193125-20-217810-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 8.01: Other Events;\nItem 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"EX-99.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520217810/d27824dex991.htm","primary":true,"translateUrl":null,"linkName":"d27824dex991.htm","type":"EX-99.1","id":"NTFILE5SJD9xPqbY7HgH5i","market":"us","size":14129},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520217810/d27824d8k.htm","primary":false,"translateUrl":null,"linkName":"d27824d8k.htm","type":"8-K","id":"NTFILE6qRza12sgPxBP77m","market":"us","size":29225},{"description":"XBRL TAXONOMY EXTENSION SCHEMA","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520217810/nix-20200812.xsd","primary":false,"translateUrl":null,"linkName":"nix-20200812.xsd","type":"EX-101.SCH","id":"NTFILE9CnCAjxr1hG4jvMG","market":"us","size":4118},{"description":"XBRL TAXONOMY EXTENSION DEFINITION LINKBASE","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520217810/nix-20200812_def.xml","primary":false,"translateUrl":null,"linkName":"nix-20200812_def.xml","type":"EX-101.DEF","id":"NTFILEARGJKF856ia3vxee","market":"us","size":13412},{"description":"XBRL TAXONOMY EXTENSION LABEL LINKBASE","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520217810/nix-20200812_lab.xml","primary":false,"translateUrl":null,"linkName":"nix-20200812_lab.xml","type":"EX-101.LAB","id":"NTFILE3mh2ZVkZgRZxBRVq","market":"us","size":22067},{"description":"XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520217810/nix-20200812_pre.xml","primary":false,"translateUrl":null,"linkName":"nix-20200812_pre.xml","type":"EX-101.PRE","id":"NTFILE86qA5suoy6Qc1upc","market":"us","size":14315},{"description":"GRAPHIC","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520217810/g27824g63w91.jpg","primary":false,"translateUrl":null,"linkName":"g27824g63w91.jpg","type":"GRAPHIC","id":"NTFILE4Jd5M9wDJcFFK7qq","market":"us","size":24090},{"description":"EXTRACTED XBRL INSTANCE DOCUMENT","seq":8,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520217810/d27824d8k_htm.xml","primary":false,"translateUrl":null,"linkName":"d27824d8k_htm.xml","type":"XML","id":"NTFILE41DbVmmDchV1rLn4","market":"us","size":5421}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Major Issues Report","pubTime":"2020-08-13 00:00","pubTimestamp":1597248000,"title_zh":"8-K  - Current report","summary_en":"Item 8.01: Other Events;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"10252305","market":"us","labels":[],"media":"sec.gov","original_id":"AN119312520217757-NI","pdf_url":null,"pub_time":1597161600000,"showTitleType":true,"size":0,"source":"sec_us","summary":"FWP  - Filing under Securities Act Rules 163/433 of free writing prospectuses","symbol":"NI","title":"FWP  - Filing under Securities Act Rules 163/433 of free writing prospectuses","titleType":"[Supp]Public Prospectus","type":"usProspectusesRegistrations","url":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520217757/0001193125-20-217757-index.htm","us_notice_code":"Form FWP","us_title_en":"FWP  - Filing under Securities Act Rules 163/433 of free writing prospectuses","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"FWP","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520217757/d71773dfwp.htm","primary":true,"translateUrl":null,"linkName":"d71773dfwp.htm","type":"FWP","id":"NTFILEFf3Ci1uPxLoLh8FS","market":"us","size":15597}],"type_name":"Recruitment Registration","type_name_en":"Recruitment Registration","titleTypeEn":"[Supp]Public Prospectus","us_type":"招股注册","us_type_zh":"招股注册","earn_infos":[],"event_type":"important_notice","event_name":"[Supp]Public Prospectus","pubTime":"2020-08-12 00:00","pubTimestamp":1597161600,"title_zh":"FWP  - Filing under Securities Act Rules 163/433 of free writing prospectuses","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"10251231","market":"us","labels":[],"media":"sec.gov","original_id":"AN119312520217079-NI","pdf_url":null,"pub_time":1597161600000,"showTitleType":true,"size":0,"source":"sec_us","summary":"8-K  - Current report","symbol":"NI","title":"8-K  - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520217079/0001193125-20-217079-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 8.01: Other Events;\nItem 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"EX-99.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520217079/d56295dex991.htm","primary":true,"translateUrl":null,"linkName":"d56295dex991.htm","type":"EX-99.1","id":"NTFILE8ne1MYvwjtG2PYgu","market":"us","size":40757},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520217079/d56295d8k.htm","primary":false,"translateUrl":null,"linkName":"d56295d8k.htm","type":"8-K","id":"NTFILEHeNhjGpgWLzAgGN5","market":"us","size":29078},{"description":"XBRL TAXONOMY EXTENSION SCHEMA","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520217079/nix-20200812.xsd","primary":false,"translateUrl":null,"linkName":"nix-20200812.xsd","type":"EX-101.SCH","id":"NTFILEEdTcBSELCqG3CG98","market":"us","size":4118},{"description":"XBRL TAXONOMY EXTENSION DEFINITION LINKBASE","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520217079/nix-20200812_def.xml","primary":false,"translateUrl":null,"linkName":"nix-20200812_def.xml","type":"EX-101.DEF","id":"NTFILEHftjxKh8J8f7q8Uf","market":"us","size":13412},{"description":"XBRL TAXONOMY EXTENSION LABEL LINKBASE","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520217079/nix-20200812_lab.xml","primary":false,"translateUrl":null,"linkName":"nix-20200812_lab.xml","type":"EX-101.LAB","id":"NTFILEJ13PGYdFf88ZKFum","market":"us","size":22067},{"description":"XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520217079/nix-20200812_pre.xml","primary":false,"translateUrl":null,"linkName":"nix-20200812_pre.xml","type":"EX-101.PRE","id":"NTFILECwHdpUXFcyh7y9zP","market":"us","size":14315},{"description":"GRAPHIC","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520217079/g56295g06w59.jpg","primary":false,"translateUrl":null,"linkName":"g56295g06w59.jpg","type":"GRAPHIC","id":"NTFILE3NLGHCXxdnxwrUj7","market":"us","size":11225},{"description":"EXTRACTED XBRL INSTANCE DOCUMENT","seq":8,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520217079/d56295d8k_htm.xml","primary":false,"translateUrl":null,"linkName":"d56295d8k_htm.xml","type":"XML","id":"NTFILE7pSumXKwygmFbkSG","market":"us","size":5421}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Major Issues Report","pubTime":"2020-08-12 00:00","pubTimestamp":1597161600,"title_zh":"8-K  - Current report","summary_en":"Item 8.01: Other Events;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"10225996","market":"us","labels":[],"media":"sec.gov","original_id":"AN111171120000036-NI","pdf_url":null,"pub_time":1596556800000,"showTitleType":true,"size":0,"source":"sec_us","summary":"10-Q  - Quarterly report [Sections 13 or 15(d)]","symbol":"NI","title":"10-Q  - Quarterly report [Sections 13 or 15(d)]","titleType":"Quarterly Report","type":"usFinancials","url":"https://www.sec.gov/Archives/edgar/data/1111711/000111171120000036/0001111711-20-000036-index.htm","us_notice_code":"Form 10-Q","us_title_en":"10-Q  - Quarterly report [Sections 13 or 15(d)]","is_important":0,"hasEarnInfos":true,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"10-Q","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000111171120000036/nix-20200630.htm","primary":true,"translateUrl":null,"linkName":"nix-20200630.htm","type":"10-Q","id":"NTFILE7u4QBV9LJZSoSaTb","market":"us","size":3708136},{"description":"EX-10.2","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000111171120000036/ni-ex1022020630.htm","primary":false,"translateUrl":null,"linkName":"ni-ex1022020630.htm","type":"EX-10.2","id":"NTFILE4piSbY2SZsHjorXa","market":"us","size":54450},{"description":"EX-10.4","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000111171120000036/ni-ex1042020630.htm","primary":false,"translateUrl":null,"linkName":"ni-ex1042020630.htm","type":"EX-10.4","id":"NTFILE12UYV6FPNVdpNwK2","market":"us","size":18702},{"description":"EX-31.1","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000111171120000036/ni-ex3112020630.htm","primary":false,"translateUrl":null,"linkName":"ni-ex3112020630.htm","type":"EX-31.1","id":"NTFILE3sNjecjNzGM9r32C","market":"us","size":14637},{"description":"EX-31.2","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000111171120000036/ni-ex3122020630.htm","primary":false,"translateUrl":null,"linkName":"ni-ex3122020630.htm","type":"EX-31.2","id":"NTFILE7Hgg2qyYuv6rDnBX","market":"us","size":14746},{"description":"EX-32.1","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000111171120000036/ni-ex3212020630.htm","primary":false,"translateUrl":null,"linkName":"ni-ex3212020630.htm","type":"EX-32.1","id":"NTFILEDJUrDH8yKCHbKFqS","market":"us","size":8795},{"description":"EX-32.2","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000111171120000036/ni-ex3222020630.htm","primary":false,"translateUrl":null,"linkName":"ni-ex3222020630.htm","type":"EX-32.2","id":"NTFILE27R5z3XoewmLRb3o","market":"us","size":8826},{"description":"XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT","seq":8,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000111171120000036/nix-20200630.xsd","primary":false,"translateUrl":null,"linkName":"nix-20200630.xsd","type":"EX-101.SCH","id":"NTFILEDG4cvUiAxWRAjacJ","market":"us","size":78162},{"description":"XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT","seq":9,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000111171120000036/nix-20200630_cal.xml","primary":false,"translateUrl":null,"linkName":"nix-20200630_cal.xml","type":"EX-101.CAL","id":"NTFILE6GurVHtitucwkVZU","market":"us","size":105016},{"description":"XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT","seq":10,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000111171120000036/nix-20200630_def.xml","primary":false,"translateUrl":null,"linkName":"nix-20200630_def.xml","type":"EX-101.DEF","id":"NTFILE5beCLnENm9z2f6pP","market":"us","size":416995},{"description":"XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT","seq":11,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000111171120000036/nix-20200630_lab.xml","primary":false,"translateUrl":null,"linkName":"nix-20200630_lab.xml","type":"EX-101.LAB","id":"NTFILE6Yd4uggXNW8J42S5","market":"us","size":734423},{"description":"XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT","seq":12,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000111171120000036/nix-20200630_pre.xml","primary":false,"translateUrl":null,"linkName":"nix-20200630_pre.xml","type":"EX-101.PRE","id":"NTFILEA5eT8JB4APojS4Zm","market":"us","size":503060},{"description":"EXTRACTED XBRL INSTANCE DOCUMENT","seq":13,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000111171120000036/nix-20200630_htm.xml","primary":false,"translateUrl":null,"linkName":"nix-20200630_htm.xml","type":"XML","id":"NTFILEECMw2Y9TUGQn8uLb","market":"us","size":3592867}],"type_name":"Financial Report","type_name_en":"Financial Report","titleTypeEn":"Quarterly Report","us_type":"财务报告","us_type_zh":"财务报告","earn_infos":[{"id":19838,"name":"Statements Of Consolidated Income (Loss)","name_zh":null,"url":"https://www.sec.gov/Archives/edgar/data/1111711/000111171120000036/R2.htm","cdn_url":"","translation_url":"","translate_status":0},{"id":19839,"name":"Statements of Consolidated Comprehensive Income (Loss)","name_zh":null,"url":"https://www.sec.gov/Archives/edgar/data/1111711/000111171120000036/R3.htm","cdn_url":"","translation_url":"","translate_status":0},{"id":19840,"name":"Statements of Consolidated Comprehensive Income (Loss) (Parenthetical)","name_zh":null,"url":"https://www.sec.gov/Archives/edgar/data/1111711/000111171120000036/R4.htm","cdn_url":"","translation_url":"","translate_status":0},{"id":19841,"name":"Statements of Consolidated Balance Sheets","name_zh":null,"url":"https://www.sec.gov/Archives/edgar/data/1111711/000111171120000036/R5.htm","cdn_url":"","translation_url":"","translate_status":0},{"id":19842,"name":"Statements of Consolidated Balance Sheets (Parenthetical)","name_zh":null,"url":"https://www.sec.gov/Archives/edgar/data/1111711/000111171120000036/R6.htm","cdn_url":"","translation_url":"","translate_status":0},{"id":19843,"name":"Statements Of Consolidated Cash Flows","name_zh":null,"url":"https://www.sec.gov/Archives/edgar/data/1111711/000111171120000036/R7.htm","cdn_url":"","translation_url":"","translate_status":0},{"id":19844,"name":"Statements Of Consolidated Cash Flows (Supplemental Disclosures of Cash Flow Information)","name_zh":null,"url":"https://www.sec.gov/Archives/edgar/data/1111711/000111171120000036/R8.htm","cdn_url":"","translation_url":"","translate_status":0},{"id":19845,"name":"Statements Of Consolidated Equity","name_zh":null,"url":"https://www.sec.gov/Archives/edgar/data/1111711/000111171120000036/R9.htm","cdn_url":"","translation_url":"","translate_status":0},{"id":19846,"name":"Statements of Consolidated Equity (Shares)","name_zh":null,"url":"https://www.sec.gov/Archives/edgar/data/1111711/000111171120000036/R10.htm","cdn_url":"","translation_url":"","translate_status":0},{"id":19847,"name":"Statements Of Consolidated Equity (Parenthetical)","name_zh":"合并权益表（括号内）","url":"https://www.sec.gov/Archives/edgar/data/1111711/000111171120000036/R11.htm","cdn_url":"https://static.tigerbbs.com/4a50a72db8616a812e05aca55729915b","translation_url":"https://static.tigerbbs.com/d7977bdd6b65e8a57206b8961e0b2836","translate_status":1}],"event_type":"important_notice","event_name":"Quarterly Report","pubTime":"2020-08-05 00:00","pubTimestamp":1596556800,"title_zh":"10-Q  - Quarterly report [Sections 13 or 15(d","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"10224318","market":"us","labels":[],"media":"sec.gov","original_id":"AN111171120000034-NI","pdf_url":null,"pub_time":1596556800000,"showTitleType":true,"size":0,"source":"sec_us","summary":"8-K  - Current report","symbol":"NI","title":"8-K  - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1111711/000111171120000034/0001111711-20-000034-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 2.02: Results of Operations and Financial Condition;\nItem 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"EX-99.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000111171120000034/ni-ex9912020630.htm","primary":true,"translateUrl":null,"linkName":"ni-ex9912020630.htm","type":"EX-99.1","id":"NTFILEDNfjUtT9ESpaj5Ta","market":"us","size":139821},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000111171120000034/nix-20200805.htm","primary":false,"translateUrl":null,"linkName":"nix-20200805.htm","type":"8-K","id":"NTFILE2smZ6HoiSNztu3q3","market":"us","size":81984},{"description":"XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000111171120000034/nix-20200805.xsd","primary":false,"translateUrl":null,"linkName":"nix-20200805.xsd","type":"EX-101.SCH","id":"NTFILE5qP4QHj929LKd3et","market":"us","size":2597},{"description":"XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000111171120000034/nix-20200805_cal.xml","primary":false,"translateUrl":null,"linkName":"nix-20200805_cal.xml","type":"EX-101.CAL","id":"NTFILEEumeADnLxbNv1DnU","market":"us","size":745},{"description":"XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000111171120000034/nix-20200805_def.xml","primary":false,"translateUrl":null,"linkName":"nix-20200805_def.xml","type":"EX-101.DEF","id":"NTFILEWrqbhWFw8ddPzaTQ","market":"us","size":17270},{"description":"XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000111171120000034/nix-20200805_lab.xml","primary":false,"translateUrl":null,"linkName":"nix-20200805_lab.xml","type":"EX-101.LAB","id":"NTFILE6HGFcvnNsKnA31v1","market":"us","size":32376},{"description":"XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000111171120000034/nix-20200805_pre.xml","primary":false,"translateUrl":null,"linkName":"nix-20200805_pre.xml","type":"EX-101.PRE","id":"NTFILEEN548H66Ki55a9dL","market":"us","size":17502},{"description":"","seq":8,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000111171120000034/nierheadera2811.jpg","primary":false,"translateUrl":null,"linkName":"nierheadera2811.jpg","type":"GRAPHIC","id":"NTFILE4RcW2EQcddLsBVAf","market":"us","size":803736},{"description":"EXTRACTED XBRL INSTANCE DOCUMENT","seq":9,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000111171120000034/nix-20200805_htm.xml","primary":false,"translateUrl":null,"linkName":"nix-20200805_htm.xml","type":"XML","id":"NTFILE5mWpBQfviieZunXC","market":"us","size":14151}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Major Issues Report","pubTime":"2020-08-05 00:00","pubTimestamp":1596556800,"title_zh":"8-K  - Current report","summary_en":"Item 2.02: Results of Operations and Financial Condition;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"10173647","market":"us","labels":[],"media":"sec.gov","original_id":"AN119312520195474-NI","pdf_url":null,"pub_time":1595174400000,"showTitleType":true,"size":0,"source":"sec_us","summary":"8-K  - Current report","symbol":"NI","title":"8-K  - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520195474/0001193125-20-195474-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 5.02: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"XBRL TAXONOMY EXTENSION SCHEMA","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520195474/nix-20200715.xsd","primary":true,"translateUrl":null,"linkName":"nix-20200715.xsd","type":"EX-101.SCH","id":"NTFILE2GUJ2EZfVtkzUHdK","market":"us","size":4119},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520195474/d41614d8k.htm","primary":false,"translateUrl":null,"linkName":"d41614d8k.htm","type":"8-K","id":"NTFILEHqr645SQiC5jfu9R","market":"us","size":30695},{"description":"XBRL TAXONOMY EXTENSION DEFINITION LINKBASE","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520195474/nix-20200715_def.xml","primary":false,"translateUrl":null,"linkName":"nix-20200715_def.xml","type":"EX-101.DEF","id":"NTFILEAqM4Htnp2NHCG7UE","market":"us","size":13413},{"description":"XBRL TAXONOMY EXTENSION LABEL LINKBASE","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520195474/nix-20200715_lab.xml","primary":false,"translateUrl":null,"linkName":"nix-20200715_lab.xml","type":"EX-101.LAB","id":"NTFILEHcriW8Y84wM2Cw53","market":"us","size":22068},{"description":"XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520195474/nix-20200715_pre.xml","primary":false,"translateUrl":null,"linkName":"nix-20200715_pre.xml","type":"EX-101.PRE","id":"NTFILE6RKu2DUU3VeVGRqq","market":"us","size":14316},{"description":"EXTRACTED XBRL INSTANCE DOCUMENT","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520195474/d41614d8k_htm.xml","primary":false,"translateUrl":null,"linkName":"d41614d8k_htm.xml","type":"XML","id":"NTFILEGNXatFddPMq9Cxj8","market":"us","size":5421}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Major Issues Report","pubTime":"2020-07-20 00:00","pubTimestamp":1595174400,"title_zh":"8-K  - Current report","summary_en":"Item 5.02: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"10135673","market":"us","labels":[],"media":"sec.gov","original_id":"AN119312520187246-NI","pdf_url":null,"pub_time":1593964800000,"showTitleType":true,"size":0,"source":"sec_us","summary":"8-K  - Current report","symbol":"NI","title":"8-K  - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520187246/0001193125-20-187246-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 1.01: Entry into a Material Definitive Agreement;\nItem 8.01: Other Events;\nItem 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"EX-10.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520187246/d32429dex101.htm","primary":true,"translateUrl":null,"linkName":"d32429dex101.htm","type":"EX-10.1","id":"NTFILE5UqxYpe8axmDGFpB","market":"us","size":192074},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520187246/d32429d8k.htm","primary":false,"translateUrl":null,"linkName":"d32429d8k.htm","type":"8-K","id":"NTFILEDkqkNbeqNkC7Gr5d","market":"us","size":46603},{"description":"XBRL TAXONOMY EXTENSION SCHEMA","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520187246/nix-20200702.xsd","primary":false,"translateUrl":null,"linkName":"nix-20200702.xsd","type":"EX-101.SCH","id":"NTFILE6Q2i1fgLh9a6VX2v","market":"us","size":4117},{"description":"XBRL TAXONOMY EXTENSION DEFINITION LINKBASE","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520187246/nix-20200702_def.xml","primary":false,"translateUrl":null,"linkName":"nix-20200702_def.xml","type":"EX-101.DEF","id":"NTFILEHDxkhJi8fjHvTRrs","market":"us","size":13411},{"description":"XBRL TAXONOMY EXTENSION LABEL LINKBASE","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520187246/nix-20200702_lab.xml","primary":false,"translateUrl":null,"linkName":"nix-20200702_lab.xml","type":"EX-101.LAB","id":"NTFILEH7oxc8rLrhjt1uG3","market":"us","size":22066},{"description":"XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520187246/nix-20200702_pre.xml","primary":false,"translateUrl":null,"linkName":"nix-20200702_pre.xml","type":"EX-101.PRE","id":"NTFILEABNiHM9jfRyWDZ97","market":"us","size":14314},{"description":"EXTRACTED XBRL INSTANCE DOCUMENT","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520187246/d32429d8k_htm.xml","primary":false,"translateUrl":null,"linkName":"d32429d8k_htm.xml","type":"XML","id":"NTFILEHCT2eJDbvYr2WAjQ","market":"us","size":5421}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Major Issues Report","pubTime":"2020-07-06 00:00","pubTimestamp":1593964800,"title_zh":"8-K  - Current report","summary_en":"Item 1.01: Entry into a Material Definitive Agreement;\nItem 8.01: Other Events;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"10101694","market":"us","labels":[],"media":"sec.gov","original_id":"AN111171120000025-NI","pdf_url":null,"pub_time":1593100800000,"showTitleType":true,"size":0,"source":"sec_us","summary":"11-K  - Annual report of employee stock purchase, savings and similar plans","symbol":"NI","title":"11-K  - Annual report of employee stock purchase, savings and similar plans","titleType":"Employee Stock Ownership","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1111711/000111171120000025/0001111711-20-000025-index.htm","us_notice_code":"Form 11-K","us_title_en":"11-K  - Annual report of employee stock purchase, savings and similar plans","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"11-K","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000111171120000025/a11-krsp2019.htm","primary":true,"translateUrl":null,"linkName":"a11-krsp2019.htm","type":"11-K","id":"NTFILE67Lxj5KdgaRHSKQp","market":"us","size":250907},{"description":"EXHIBIT 23.1","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000111171120000025/exhibit231-rsp2019.htm","primary":false,"translateUrl":null,"linkName":"exhibit231-rsp2019.htm","type":"EX-23.1","id":"NTFILEHFfHApxNUJH39VAR","market":"us","size":2308}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Employee Stock Ownership","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Employee Stock Ownership","pubTime":"2020-06-26 00:00","pubTimestamp":1593100800,"title_zh":"11-K  - Annual report of employee stock purchase, savings and similar plans","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"9754529","market":"us","labels":[],"media":"sec.gov","original_id":"AN119312520151655-NI","pdf_url":null,"pub_time":1590422400000,"showTitleType":true,"size":0,"source":"sec_us","summary":"8-K  - Current report","symbol":"NI","title":"8-K  - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520151655/0001193125-20-151655-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 7.01: Regulation FD Disclosure\nItem 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"EX-99.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520151655/d923028dex991.htm","primary":true,"translateUrl":null,"linkName":"d923028dex991.htm","type":"EX-99.1","id":"NTFILE6S1mHhoqn9y4tdE5","market":"us","size":19989},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520151655/d923028d8k.htm","primary":false,"translateUrl":null,"linkName":"d923028d8k.htm","type":"8-K","id":"NTFILEB6dfxJ3oKbhnpL8r","market":"us","size":32253},{"description":"XBRL TAXONOMY EXTENSION SCHEMA","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520151655/nix-20200526.xsd","primary":false,"translateUrl":null,"linkName":"nix-20200526.xsd","type":"EX-101.SCH","id":"NTFILEDDxk9h2YwggaRE58","market":"us","size":4118},{"description":"XBRL TAXONOMY EXTENSION DEFINITION LINKBASE","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520151655/nix-20200526_def.xml","primary":false,"translateUrl":null,"linkName":"nix-20200526_def.xml","type":"EX-101.DEF","id":"NTFILEG9WeFSaj325PjL2L","market":"us","size":13412},{"description":"XBRL TAXONOMY EXTENSION LABEL LINKBASE","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520151655/nix-20200526_lab.xml","primary":false,"translateUrl":null,"linkName":"nix-20200526_lab.xml","type":"EX-101.LAB","id":"NTFILE5dYzkYBacgmifXwG","market":"us","size":22067},{"description":"XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520151655/nix-20200526_pre.xml","primary":false,"translateUrl":null,"linkName":"nix-20200526_pre.xml","type":"EX-101.PRE","id":"NTFILE3p1sSXVyuiX5R3Ej","market":"us","size":14315},{"description":"GRAPHIC","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520151655/g923028ex99_1s10g1.jpg","primary":false,"translateUrl":null,"linkName":"g923028ex99_1s10g1.jpg","type":"GRAPHIC","id":"NTFILE4X52gP2QCV9BagpK","market":"us","size":152369},{"description":"GRAPHIC","seq":8,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520151655/g923028ex99_1s11g1.jpg","primary":false,"translateUrl":null,"linkName":"g923028ex99_1s11g1.jpg","type":"GRAPHIC","id":"NTFILEDBkR8YDr7iP96Gsi","market":"us","size":180694},{"description":"GRAPHIC","seq":9,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520151655/g923028ex99_1s12g1.jpg","primary":false,"translateUrl":null,"linkName":"g923028ex99_1s12g1.jpg","type":"GRAPHIC","id":"NTFILEAkNMomEBp8pbV3xE","market":"us","size":224134},{"description":"GRAPHIC","seq":10,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520151655/g923028ex99_1s13g1.jpg","primary":false,"translateUrl":null,"linkName":"g923028ex99_1s13g1.jpg","type":"GRAPHIC","id":"NTFILE5tkUogU49qRsXGuF","market":"us","size":238522},{"description":"GRAPHIC","seq":11,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520151655/g923028ex99_1s1g1.jpg","primary":false,"translateUrl":null,"linkName":"g923028ex99_1s1g1.jpg","type":"GRAPHIC","id":"NTFILEJ5WJS52wPM5zmwcK","market":"us","size":194755},{"description":"GRAPHIC","seq":12,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520151655/g923028ex99_1s2g1.jpg","primary":false,"translateUrl":null,"linkName":"g923028ex99_1s2g1.jpg","type":"GRAPHIC","id":"NTFILEBjr59J9zoVv4FWV4","market":"us","size":613212},{"description":"GRAPHIC","seq":13,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520151655/g923028ex99_1s3g1.jpg","primary":false,"translateUrl":null,"linkName":"g923028ex99_1s3g1.jpg","type":"GRAPHIC","id":"NTFILEFDPSKAfnZKCAHNcz","market":"us","size":329372},{"description":"GRAPHIC","seq":14,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520151655/g923028ex99_1s4g1.jpg","primary":false,"translateUrl":null,"linkName":"g923028ex99_1s4g1.jpg","type":"GRAPHIC","id":"NTFILE2bX6FF9FZJLbYGgG","market":"us","size":330933},{"description":"GRAPHIC","seq":15,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520151655/g923028ex99_1s5g1.jpg","primary":false,"translateUrl":null,"linkName":"g923028ex99_1s5g1.jpg","type":"GRAPHIC","id":"NTFILEBf8e4nqiMx1FDDGy","market":"us","size":253139},{"description":"GRAPHIC","seq":16,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520151655/g923028ex99_1s6g1.jpg","primary":false,"translateUrl":null,"linkName":"g923028ex99_1s6g1.jpg","type":"GRAPHIC","id":"NTFILECAoiP8x3wbjMbcRC","market":"us","size":431234},{"description":"GRAPHIC","seq":17,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520151655/g923028ex99_1s7g1.jpg","primary":false,"translateUrl":null,"linkName":"g923028ex99_1s7g1.jpg","type":"GRAPHIC","id":"NTFILE7zWG9Zgp682sAYpy","market":"us","size":403341},{"description":"GRAPHIC","seq":18,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520151655/g923028ex99_1s8g1.jpg","primary":false,"translateUrl":null,"linkName":"g923028ex99_1s8g1.jpg","type":"GRAPHIC","id":"NTFILE9wPcR9PB7agdSBzr","market":"us","size":334683},{"description":"GRAPHIC","seq":19,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520151655/g923028ex99_1s9g1.jpg","primary":false,"translateUrl":null,"linkName":"g923028ex99_1s9g1.jpg","type":"GRAPHIC","id":"NTFILE6vXGRvPCwUUpHUeh","market":"us","size":325083},{"description":"EXTRACTED XBRL INSTANCE DOCUMENT","seq":26,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520151655/d923028d8k_htm.xml","primary":false,"translateUrl":null,"linkName":"d923028d8k_htm.xml","type":"XML","id":"NTFILEHrWPHLfoy6TMXCx1","market":"us","size":5421}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Major Issues Report","pubTime":"2020-05-26 00:00","pubTimestamp":1590422400,"title_zh":"8-K  - Current report","summary_en":"Item 7.01: Regulation FD Disclosure\nItem 9.01: Financial Statements and Exhibits","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"9740249","market":"us","labels":[],"media":"sec.gov","original_id":"AN119312520148297-NI","pdf_url":null,"pub_time":1589990400000,"showTitleType":true,"size":0,"source":"sec_us","summary":"8-K/A [Amend]  - Current report","symbol":"NI","title":"8-K/A [Amend]  - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520148297/0001193125-20-148297-index.htm","us_notice_code":"Form 8-K/A","us_title_en":"8-K/A [Amend]  - Current report","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"8-K/A","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520148297/d934693d8ka.htm","primary":true,"translateUrl":null,"linkName":"d934693d8ka.htm","type":"8-K/A","id":"NTFILE4cNRzbizNd3gHcQS","market":"us","size":28300},{"description":"XBRL TAXONOMY EXTENSION SCHEMA","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520148297/nix-20200309.xsd","primary":false,"translateUrl":null,"linkName":"nix-20200309.xsd","type":"EX-101.SCH","id":"NTFILE8QNEKiR77XQtgciw","market":"us","size":3776},{"description":"XBRL TAXONOMY EXTENSION DEFINITION LINKBASE","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520148297/nix-20200309_def.xml","primary":false,"translateUrl":null,"linkName":"nix-20200309_def.xml","type":"EX-101.DEF","id":"NTFILE3gThSog6GtYgRfog","market":"us","size":13904},{"description":"XBRL TAXONOMY EXTENSION LABEL LINKBASE","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520148297/nix-20200309_lab.xml","primary":false,"translateUrl":null,"linkName":"nix-20200309_lab.xml","type":"EX-101.LAB","id":"NTFILE7RMUBquSZ6CrRTsh","market":"us","size":22696},{"description":"XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520148297/nix-20200309_pre.xml","primary":false,"translateUrl":null,"linkName":"nix-20200309_pre.xml","type":"EX-101.PRE","id":"NTFILE3wetX2h7HVwk32YY","market":"us","size":14734},{"description":"EXTRACTED XBRL INSTANCE DOCUMENT","seq":8,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520148297/d934693d8ka_htm.xml","primary":false,"translateUrl":null,"linkName":"d934693d8ka_htm.xml","type":"XML","id":"NTFILE2JLSboVH68nnthTd","market":"us","size":6232}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Major Issues Report","pubTime":"2020-05-21 00:00","pubTimestamp":1589990400,"title_zh":"8-K/A [Amend]  - Current report","summary_en":"8-K/A [Amend]  - Current report","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"9740169","market":"us","labels":[],"media":"sec.gov","original_id":"AN119312520148219-NI","pdf_url":null,"pub_time":1589990400000,"showTitleType":true,"size":0,"source":"sec_us","summary":"8-K  - Current report","symbol":"NI","title":"8-K  - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520148219/0001193125-20-148219-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 5.07: Submission of Matters to a Vote of Security Holders","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"XBRL TAXONOMY EXTENSION SCHEMA","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520148219/nix-20200519.xsd","primary":true,"translateUrl":null,"linkName":"nix-20200519.xsd","type":"EX-101.SCH","id":"NTFILE3cVfJmNcDsvQ7zYh","market":"us","size":4118},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520148219/d935103d8k.htm","primary":false,"translateUrl":null,"linkName":"d935103d8k.htm","type":"8-K","id":"NTFILEDE1JByZG6QeoY29k","market":"us","size":65088},{"description":"XBRL TAXONOMY EXTENSION DEFINITION LINKBASE","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520148219/nix-20200519_def.xml","primary":false,"translateUrl":null,"linkName":"nix-20200519_def.xml","type":"EX-101.DEF","id":"NTFILE7zN8WCbkkQF1UvZ5","market":"us","size":13412},{"description":"XBRL TAXONOMY EXTENSION LABEL LINKBASE","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520148219/nix-20200519_lab.xml","primary":false,"translateUrl":null,"linkName":"nix-20200519_lab.xml","type":"EX-101.LAB","id":"NTFILEEAPE8rLTBg27tsHM","market":"us","size":22067},{"description":"XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520148219/nix-20200519_pre.xml","primary":false,"translateUrl":null,"linkName":"nix-20200519_pre.xml","type":"EX-101.PRE","id":"NTFILEXQD7Kb4HogMu4LpH","market":"us","size":14315},{"description":"EXTRACTED XBRL INSTANCE DOCUMENT","seq":13,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520148219/d935103d8k_htm.xml","primary":false,"translateUrl":null,"linkName":"d935103d8k_htm.xml","type":"XML","id":"NTFILE2nFsDNe65P3i6jGm","market":"us","size":5421}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Major Issues Report","pubTime":"2020-05-21 00:00","pubTimestamp":1589990400,"title_zh":"8-K  - Current report","summary_en":"Item 5.07: Submission of Matters to a Vote of Security Holders","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"9740107","market":"us","labels":[],"media":"sec.gov","original_id":"AN119312520148209-NI","pdf_url":null,"pub_time":1589990400000,"showTitleType":true,"size":0,"source":"sec_us","summary":"8-K  - Current report","symbol":"NI","title":"8-K  - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520148209/0001193125-20-148209-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 5.02: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers\nItem 7.01: Regulation FD Disclosure\nItem 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"EX-99.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520148209/d932659dex991.htm","primary":true,"translateUrl":null,"linkName":"d932659dex991.htm","type":"EX-99.1","id":"NTFILED9vi6vkwiHdb88q1","market":"us","size":18291},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520148209/d932659d8k.htm","primary":false,"translateUrl":null,"linkName":"d932659d8k.htm","type":"8-K","id":"NTFILEFhDP7eeCtvFeGZsf","market":"us","size":34322},{"description":"XBRL TAXONOMY EXTENSION SCHEMA","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520148209/nix-20200519.xsd","primary":false,"translateUrl":null,"linkName":"nix-20200519.xsd","type":"EX-101.SCH","id":"NTFILE8UyFrTLs2oFrRMC1","market":"us","size":4118},{"description":"XBRL TAXONOMY EXTENSION DEFINITION LINKBASE","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520148209/nix-20200519_def.xml","primary":false,"translateUrl":null,"linkName":"nix-20200519_def.xml","type":"EX-101.DEF","id":"NTFILE5M7swSWca5zv3T2c","market":"us","size":13412},{"description":"XBRL TAXONOMY EXTENSION LABEL LINKBASE","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520148209/nix-20200519_lab.xml","primary":false,"translateUrl":null,"linkName":"nix-20200519_lab.xml","type":"EX-101.LAB","id":"NTFILE4FtUeBnoWgQAP4ip","market":"us","size":22067},{"description":"XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520148209/nix-20200519_pre.xml","primary":false,"translateUrl":null,"linkName":"nix-20200519_pre.xml","type":"EX-101.PRE","id":"NTFILEAsbsTqVow6UWj8BF","market":"us","size":14315},{"description":"GRAPHIC","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520148209/g932659g0521114708988.jpg","primary":false,"translateUrl":null,"linkName":"g932659g0521114708988.jpg","type":"GRAPHIC","id":"NTFILECgi8sZajR1iqUc96","market":"us","size":8408},{"description":"EXTRACTED XBRL INSTANCE DOCUMENT","seq":14,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520148209/d932659d8k_htm.xml","primary":false,"translateUrl":null,"linkName":"d932659d8k_htm.xml","type":"XML","id":"NTFILEBTjs4xJZ9CCrdiuz","market":"us","size":5421}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Major Issues Report","pubTime":"2020-05-21 00:00","pubTimestamp":1589990400,"title_zh":"8-K  - Current report","summary_en":"Item 5.02: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers;\nItem 7.01: Regulation FD Disclosure;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"9740109","market":"us","labels":[],"media":"sec.gov","original_id":"AN119312520146113-NI","pdf_url":null,"pub_time":1589817600000,"showTitleType":true,"size":0,"source":"sec_us","summary":"S-8  - Securities to be offered to employees in employee benefit plans","symbol":"NI","title":"S-8  - Securities to be offered to employees in employee benefit plans","titleType":"Employee Stock Ownership","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520146113/0001193125-20-146113-index.htm","us_notice_code":"Form S-8","us_title_en":"S-8  - Securities to be offered to employees in employee benefit plans","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"S-8","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520146113/d882303ds8.htm","primary":true,"translateUrl":null,"linkName":"d882303ds8.htm","type":"S-8","id":"NTFILEHyQe99d36RjERG3A","market":"us","size":59232},{"description":"EX-5.1","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520146113/d882303dex51.htm","primary":false,"translateUrl":null,"linkName":"d882303dex51.htm","type":"EX-5.1","id":"NTFILEAmcDivu9c4KrZsBY","market":"us","size":9477},{"description":"EX-23.1","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520146113/d882303dex231.htm","primary":false,"translateUrl":null,"linkName":"d882303dex231.htm","type":"EX-23.1","id":"NTFILEGBkS6J2BvCLUFhKG","market":"us","size":1565},{"description":"GRAPHIC","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000119312520146113/g882303g0515161348674.jpg","primary":false,"translateUrl":null,"linkName":"g882303g0515161348674.jpg","type":"GRAPHIC","id":"NTFILE9WQG6JiWgyAoxB9i","market":"us","size":2091}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Employee Stock Ownership","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Employee Stock Ownership","pubTime":"2020-05-19 00:00","pubTimestamp":1589817600,"title_zh":"S-8  - Securities to be offered to employees in employee benefit plans","summary_en":"S-8  - Securities to be offered to employees in employee benefit plans","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"9684096","market":"us","labels":[],"media":"sec.gov","original_id":"AN111171120000022-NI","pdf_url":null,"pub_time":1588694400000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Quarterly report [Sections 13 or 15(d)]","symbol":"NI","title":"Quarterly report [Sections 13 or 15(d)]","titleType":"Quarterly Report","type":"usFinancials","url":"https://www.sec.gov/Archives/edgar/data/1111711/000111171120000022/0001111711-20-000022-index.htm","us_notice_code":"Form 10-Q","us_title_en":null,"is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"10-Q","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000111171120000022/ni-2020331x10q.htm","primary":true,"translateUrl":null,"linkName":"ni-2020331x10q.htm","type":"10-Q","id":"NTFILECk974T4a5Qafjsuq","market":"us","size":2073423},{"description":"EXHIBIT 31.1","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000111171120000022/ni-ex3112020331.htm","primary":false,"translateUrl":null,"linkName":"ni-ex3112020331.htm","type":"EX-31.1","id":"NTFILE9FYaNhAdMvdEvnZx","market":"us","size":15276},{"description":"EXHIBIT 31.2","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000111171120000022/ni-ex3122020331.htm","primary":false,"translateUrl":null,"linkName":"ni-ex3122020331.htm","type":"EX-31.2","id":"NTFILE9YeVdEhTWDvQm7wK","market":"us","size":15467},{"description":"EXHIBIT 32.1","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000111171120000022/ni-ex3212020331.htm","primary":false,"translateUrl":null,"linkName":"ni-ex3212020331.htm","type":"EX-32.1","id":"NTFILE4eTqfdiXP5je36AS","market":"us","size":10201},{"description":"EXHIBIT 32.2","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000111171120000022/ni-ex3222020331.htm","primary":false,"translateUrl":null,"linkName":"ni-ex3222020331.htm","type":"EX-32.2","id":"NTFILE4vQeJwKbQpTiLeLE","market":"us","size":10129},{"description":"XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000111171120000022/nix-20200331.xsd","primary":false,"translateUrl":null,"linkName":"nix-20200331.xsd","type":"EX-101.SCH","id":"NTFILE3Zz87Cx2GKMvMZZn","market":"us","size":75589},{"description":"XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000111171120000022/nix-20200331_cal.xml","primary":false,"translateUrl":null,"linkName":"nix-20200331_cal.xml","type":"EX-101.CAL","id":"NTFILEBbivqMsugqeQECaU","market":"us","size":100727},{"description":"XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT","seq":8,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000111171120000022/nix-20200331_def.xml","primary":false,"translateUrl":null,"linkName":"nix-20200331_def.xml","type":"EX-101.DEF","id":"NTFILED7MZiMc83MLoeEg9","market":"us","size":401840},{"description":"XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT","seq":9,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000111171120000022/nix-20200331_lab.xml","primary":false,"translateUrl":null,"linkName":"nix-20200331_lab.xml","type":"EX-101.LAB","id":"NTFILE6Cx1uB8vVwx7Usdf","market":"us","size":783649},{"description":"XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT","seq":10,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000111171120000022/nix-20200331_pre.xml","primary":false,"translateUrl":null,"linkName":"nix-20200331_pre.xml","type":"EX-101.PRE","id":"NTFILEE4KbuuVWqfG8EZtn","market":"us","size":491178},{"description":"EXTRACTED XBRL INSTANCE DOCUMENT","seq":51,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1111711/000111171120000022/ni-2020331x10q_htm.xml","primary":false,"translateUrl":null,"linkName":"ni-2020331x10q_htm.xml","type":"XML","id":"NTFILE3yg9y6yZet6QvphS","market":"us","size":1825594}],"type_name":"Financial Report","type_name_en":"Financial Report","titleTypeEn":"Quarterly Report","us_type":"财务报告","us_type_zh":"财务报告","earn_infos":[],"event_type":"important_notice","event_name":"Quarterly Report","pubTime":"2020-05-06 00:00","pubTimestamp":1588694400,"title_zh":"Quarterly report [Sections 13 or 15(d","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0}],"pageSize":20,"totalPage":15,"pageCount":10,"totalSize":283,"code":"91000000","status":"200"}]}}