National Healthcare

221.30

+2.331.06%

Volume:42.33K

Turnover:9.35M

Market Cap:3.45B

PE:24.86

High:222.39

Open:220.58

Low:219.57

Close:218.97

52wk High:239.29

52wk Low:111.24

Shares:15.60M

Float Shares:12.81M

Volume Ratio:0.86

T/O Rate:0.33%

Dividend:2.59

Dividend Rate:1.17%

EPS(TTM):8.90

EPS(LYR):7.67

ROE:13.27%

ROA:5.84%

PB:3.08

PE(LYR):28.85

Loading ...

Overview Company News Filings

May 06, 2021

{"basename":"","ssrTDKData":{"titleTemplate":"%s - Tiger Brokers","title":"Tiger Brokers | Global Stocks, Options & Futures Trading App","description":"Tiger Brokers, one-stop investment in US stocks, SGX stocks, HK stocks, A-shares & other global assets. One of the best stock trading platforms in Singapore.","keywords":"tiger brokers,tiger trade,tiger brokers singapore,broker online,stock trading in singapore,share trading singapore,brokerage firm singapore,trading app,stock broker singapore,stock trading platforms,trading account","social":{"ogDescription":"Tiger Brokers, one-stop investment in US stocks, SGX stocks, HK stocks, A-shares & other global assets. One of the best stock trading platforms in Singapore.","ogImage":"https://c1.itigergrowtha.com/portal5/static/media/og-logo.0a0bd8dc.png","ogUrl":"https://au1.tigerplaytime.com/stock/NHC/filings?page=6"},"companyName":"Tiger Brokers"},"pageData":{"isMobile":false,"isTiger":false,"isTTM":true,"region":"SGP","license":"TBSG","edition":"fundamental","symbol":"NHC","isAnalysisPage":false},"__swrFallback__":{"@#url:\"https://hq.skytigris.cn/stock_info/detail/global\",params:#delay:false,,method:\"POST\",data:#items:@#symbol:\"NHC\",,,,,undefined,":{"symbol":"NHC","market":"US","secType":"STK","nameCN":"National Healthcare","latestPrice":221.3,"timestamp":1788365656550,"preClose":218.97,"halted":0,"volume":42327,"delay":0,"changeRate":0.01064072704023388,"floatShares":12809056,"shares":15599046,"eps":8.900826,"marketStatus":"Trading","change":2.33,"latestTime":"09-02 12:14:23 EDT","open":220.58,"high":222.39,"low":219.57,"amount":9351649.92159,"amplitude":0.012878,"askPrice":222.4,"askSize":31,"bidPrice":221.53,"bidSize":2,"shortable":3,"etf":0,"ttmEps":8.900826,"tradingStatus":2,"nextMarketStatus":{"tag":"Post-Mkt","tradingStatus":3,"beginTime":1788379200000},"marketStatusCode":2,"adr":0,"adrRate":0,"listingDate":883717200000,"exchange":"AMEX","adjPreClose":218.97,"dividendRate":0.011704,"preHourTrading":{"tag":"盘前","latestPrice":220.02,"preClose":218.97,"latestTime":"06:30 EDT","volume":18,"amount":3960.36,"timestamp":1788345032350,"change":1.05,"changeRate":0.004795,"amplitude":0},"postHourTrading":{"tag":"盘后","latestPrice":218.97,"preClose":218.97,"latestTime":"19:30 EDT","volume":4372,"amount":957336.84,"timestamp":1788305400711,"change":0,"changeRate":0,"amplitude":0},"volumeRatio":0.862303,"impliedVol":0.2998,"impliedVolPercentile":0.7183},"@#url:\"https://hq.skytigris.cn/stock_info/fundamental/all\",params:#delay:false,,method:\"POST\",data:#items:@#symbol:\"NHC\",,,,,undefined,":{"symbol":"NHC","floatShares":12809056,"roa":"5.84%","roe":"13.27%","lyrEps":7.669999,"volumeRatio":0.862303,"shares":15599046,"dividePrice":2.59,"high":222.39,"amplitude":0.012878,"preClose":218.97,"low":219.57,"week52Low":111.2435,"pbRate":"3.08","psRate":"2.21","week52High":239.29,"institutionHeld":0.6644,"latestPrice":221.3,"committee":-0.878788,"eps":8.900826,"divideRate":0.011704,"volume":42327,"delay":0,"ttmEps":8.900826,"open":220.58,"prevYearClose":137.09,"prevWeekClose":222.7,"prevMonthClose":216.53,"prevQuarterClose":211.36,"fiveDayClose":225.09,"twentyDayClose":221.45,"sixtyDayClose":187.73,"dividendPayoutRate":0.32616450396824886,"dividendFrequency":"Q","dividendGrowthYears":10,"dividendGrowthRate":0.04545454545454559,"fiveYearAvgDividendRate":0.027039730777080207},"@#url:\"https://hq.skytigris.cn/fundamental/corporate_actions/details/NHC\",params:#limit:5,,,undefined,":[{"date":"2026-09-30","symbol":"NHC","amount":0.67,"announcedDate":"2026-08-06","type":"dividend","lastAmount":null,"market":"US","newRecordDate":"2026-09-30","defaultRemindTime":1790775000000,"name":"National Healthcare Corp","lastCurrency":null,"lastExecuteDate":null,"recordDate":"2026-10-30","payableDate":"2026-09-30","currency":"USD","dateTimestamp":1790740800000,"payDate":"2026-10-30"},{"market":"US","date":"2026-08-06","symbol":"NHC","fiscalQuarterEnding":"2026/06","expectedEps":null,"name":null,"time":"","type":"earning","dateTimestamp":1785988800000,"reportTimeType":"","actualEps":1.74},{"date":"2026-06-30","symbol":"NHC","amount":0.67,"announcedDate":"2026-05-07","type":"dividend","lastAmount":null,"market":"US","newRecordDate":"2026-06-30","defaultRemindTime":1782826200000,"name":"National Healthcare Corp","lastCurrency":null,"lastExecuteDate":null,"recordDate":"2026-07-31","payableDate":"2026-06-30","currency":"USD","dateTimestamp":1782792000000,"payDate":"2026-07-31"},{"date":"2026-03-31","symbol":"NHC","amount":0.64,"announcedDate":"2026-02-13","type":"dividend","lastAmount":null,"market":"US","newRecordDate":"2026-03-31","defaultRemindTime":1774963800000,"name":"National Healthcare Corp","lastCurrency":null,"lastExecuteDate":null,"recordDate":"2026-04-30","payableDate":"2026-03-31","currency":"USD","dateTimestamp":1774929600000,"payDate":"2026-04-30"},{"market":"US","date":"2026-02-26","symbol":"NHC","fiscalQuarterEnding":"2025/12","expectedEps":null,"name":null,"time":"Post-Mkt","type":"earning","dateTimestamp":1772082000000,"reportTimeType":"post","actualEps":1.79}],"@#url:\"https://hq.skytigris.cn/fundamental/dividend/history\",params:#symbol:\"NHC\",market:\"US\",,,undefined,":[{"executeDate":"2016-09-28","recordDate":"2016-09-30","paymentDate":"2016-12-01","value":0.45,"currency":"USD"},{"executeDate":"2016-12-28","recordDate":"2016-12-30","paymentDate":"2017-03-01","value":0.45,"currency":"USD"},{"executeDate":"2017-03-29","recordDate":"2017-03-31","paymentDate":"2017-06-01","value":0.45,"currency":"USD"},{"executeDate":"2017-06-28","recordDate":"2017-06-30","paymentDate":"2017-09-01","value":0.48,"currency":"USD"},{"executeDate":"2017-09-28","recordDate":"2017-09-29","paymentDate":"2017-12-01","value":0.48,"currency":"USD"}],"@#url:\"https://hq.skytigris.cn/fundamental/estimate/recommendation\",params:#symbol:\"NHC\",market:\"US\",delay:false,,,undefined,":{},"@#url:\"https://hq.skytigris.cn/value_analysis/stock/NHC\",params:#withQuantilePoint:true,period:\"5year\",factor:\"peRate\",delay:false,algorithm:1,,,undefined,":{"brief":{"id":"NHC","date":"2026-08-31","current":24.601088,"percent":0.659952,"low":6.165629,"twenty":12.340727,"median":21.00957,"eighty":31.079666,"high":51.398664,"avg":21.739404,"sd":10.761903,"marketCap":3487792666},"quantilePoints":[{"date":"2021-09-03","current":6.741631,"twenty":16.774667,"median":19.493439,"eighty":26.509229,"marketCap":1122811872},{"date":"2021-09-10","current":6.506415,"twenty":16.748885,"median":19.493439,"eighty":26.509229,"marketCap":1083636842},{"date":"2021-09-17","current":6.385102,"twenty":16.714859,"median":19.493439,"eighty":26.509229,"marketCap":1063432398},{"date":"2021-09-24","current":6.428627,"twenty":16.670945,"median":19.493439,"eighty":26.509229,"marketCap":1070681320},{"date":"2021-10-01","current":6.516601,"twenty":16.622551,"median":19.493439,"eighty":26.509229,"marketCap":1085333398},{"date":"2021-10-08","current":6.284163,"twenty":16.585989,"median":19.493439,"eighty":26.509229,"marketCap":1046621066},{"date":"2021-10-15","current":6.68329,"twenty":16.562888,"median":19.493439,"eighty":26.509229,"marketCap":1113095230},{"date":"2021-10-22","current":6.594389,"twenty":16.520385,"median":19.493439,"eighty":26.509229,"marketCap":1098288920},{"date":"2021-10-29","current":6.476781,"twenty":16.478619,"median":19.493439,"eighty":26.509229,"marketCap":1078701405},{"date":"2021-11-05","current":7.832101,"twenty":16.440793,"median":19.493439,"eighty":26.509229,"marketCap":1177572009},{"date":"2021-11-12","current":7.512046,"twenty":16.428993,"median":19.493439,"eighty":26.509229,"marketCap":1129451188},{"date":"2021-11-19","current":7.173527,"twenty":16.342939,"median":19.46438,"eighty":26.509229,"marketCap":1078554166},{"date":"2021-11-26","current":6.873989,"twenty":16.286121,"median":19.436298,"eighty":26.509229,"marketCap":1033518013},{"date":"2021-12-03","current":6.65549,"twenty":16.22129,"median":19.419022,"eighty":26.509229,"marketCap":1000666299},{"date":"2021-12-10","current":6.821673,"twenty":16.163836,"median":19.385003,"eighty":26.509229,"marketCap":1025652110},{"date":"2021-12-17","current":6.764227,"twenty":16.132193,"median":19.348149,"eighty":26.509229,"marketCap":1017015039},{"date":"2021-12-23","current":6.948874,"twenty":16.078096,"median":19.29777,"eighty":26.509229,"marketCap":1044777051},{"date":"2021-12-31","current":6.96939,"twenty":15.912988,"median":19.263655,"eighty":26.509229,"marketCap":1047861719},{"date":"2022-01-07","current":7.18276,"twenty":15.850618,"median":19.246848,"eighty":26.506237,"marketCap":1079942266},{"date":"2022-01-14","current":7.029913,"twenty":15.715992,"median":19.191664,"eighty":26.506237,"marketCap":1056961490},{"date":"2022-01-21","current":6.716014,"twenty":15.604215,"median":19.166324,"eighty":26.506237,"marketCap":1009766069},{"date":"2022-01-28","current":6.625742,"twenty":15.523093,"median":19.091268,"eighty":26.506237,"marketCap":996193530},{"date":"2022-02-04","current":6.576503,"twenty":15.459677,"median":19.039733,"eighty":26.506237,"marketCap":988790327},{"date":"2022-02-11","current":6.662671,"twenty":15.29486,"median":18.988465,"eighty":26.506237,"marketCap":1001745933},{"date":"2022-02-18","current":7.130194,"twenty":15.034401,"median":18.914666,"eighty":26.506237,"marketCap":988173557},{"date":"2022-02-25","current":7.408891,"twenty":14.972967,"median":18.86845,"eighty":26.506237,"marketCap":1026798227},{"date":"2022-03-04","current":7.428957,"twenty":14.88595,"median":18.808982,"eighty":26.506237,"marketCap":1029579203},{"date":"2022-03-11","current":7.218262,"twenty":14.837279,"median":18.753703,"eighty":26.506237,"marketCap":1000378953},{"date":"2022-03-18","current":7.822478,"twenty":14.760216,"median":18.72627,"eighty":26.506237,"marketCap":1084117237},{"date":"2022-03-25","current":8.091219,"twenty":14.662137,"median":18.684699,"eighty":26.506237,"marketCap":1121361998},{"date":"2022-04-01","current":8.059961,"twenty":14.565532,"median":18.619833,"eighty":26.506237,"marketCap":1117030026},{"date":"2022-04-08","current":8.018657,"twenty":14.487403,"median":18.587018,"eighty":26.506237,"marketCap":1111305633},{"date":"2022-04-14","current":8.036518,"twenty":14.375642,"median":18.568032,"eighty":26.506237,"marketCap":1113781046},{"date":"2022-04-22","current":7.886929,"twenty":14.310747,"median":18.540294,"eighty":26.506237,"marketCap":1093049464},{"date":"2022-04-29","current":7.597797,"twenty":14.152324,"median":18.512661,"eighty":26.506237,"marketCap":1052978719},{"date":"2022-05-06","current":8.225551,"twenty":13.013346,"median":18.454459,"eighty":26.506237,"marketCap":1091045314},{"date":"2022-05-13","current":8.126406,"twenty":12.84689,"median":18.431921,"eighty":26.506237,"marketCap":1077894597},{"date":"2022-05-20","current":8.148568,"twenty":12.751186,"median":18.419208,"eighty":26.506237,"marketCap":1080834169},{"date":"2022-05-27","current":8.162565,"twenty":12.684193,"median":18.391143,"eighty":26.506237,"marketCap":1082690741},{"date":"2022-06-03","current":8.223218,"twenty":12.653773,"median":18.378714,"eighty":26.506237,"marketCap":1090735885},{"date":"2022-06-10","current":8.022595,"twenty":12.576184,"median":18.365547,"eighty":26.506237,"marketCap":1064125024},{"date":"2022-06-17","current":7.93628,"twenty":12.523889,"median":18.347151,"eighty":26.506237,"marketCap":1052676165},{"date":"2022-06-24","current":8.13807,"twenty":12.456554,"median":18.319985,"eighty":26.509229,"marketCap":1079441740},{"date":"2022-07-01","current":8.268708,"twenty":12.320176,"median":18.274122,"eighty":26.509229,"marketCap":1096769743},{"date":"2022-07-08","current":8.09258,"twenty":12.166366,"median":18.238834,"eighty":26.509229,"marketCap":1073407882},{"date":"2022-07-15","current":8.223218,"twenty":12.057332,"median":18.216984,"eighty":26.509229,"marketCap":1090735885},{"date":"2022-07-22","current":8.163731,"twenty":11.989516,"median":18.211401,"eighty":26.509229,"marketCap":1082845455},{"date":"2022-07-29","current":8.285038,"twenty":11.908991,"median":18.174086,"eighty":26.509229,"marketCap":1098935743},{"date":"2022-08-05","current":34.191303,"twenty":11.777056,"median":18.148093,"eighty":26.537659,"marketCap":1058596939},{"date":"2022-08-12","current":35.016697,"twenty":11.777056,"median":18.174086,"eighty":26.676815,"marketCap":1084151950},{"date":"2022-08-19","current":34.441422,"twenty":11.777056,"median":18.188372,"eighty":26.752009,"marketCap":1066340882},{"date":"2022-08-26","current":34.401403,"twenty":11.777056,"median":18.215621,"eighty":26.878233,"marketCap":1065101851},{"date":"2022-09-02","current":34.636516,"twenty":11.777056,"median":18.232503,"eighty":26.967254,"marketCap":1072381157},{"date":"2022-09-09","current":35.121747,"twenty":11.777056,"median":18.250584,"eighty":27.002261,"marketCap":1087404405},{"date":"2022-09-16","current":34.89664,"twenty":11.777056,"median":18.282742,"eighty":27.085258,"marketCap":1080434857},{"date":"2022-09-23","current":33.926177,"twenty":11.777056,"median":18.342874,"eighty":27.179328,"marketCap":1050388360},{"date":"2022-09-30","current":31.685108,"twenty":11.777056,"median":18.365331,"eighty":27.26154,"marketCap":981002635},{"date":"2022-10-07","current":30.51455,"twenty":11.777056,"median":18.371486,"eighty":27.333566,"marketCap":944760985},{"date":"2022-10-14","current":30.624603,"twenty":11.777056,"median":18.390771,"eighty":27.474154,"marketCap":948168319},{"date":"2022-10-21","current":29.439037,"twenty":11.777056,"median":18.418291,"eighty":27.743007,"marketCap":911462032},{"date":"2022-10-28","current":30.824698,"twenty":11.777056,"median":18.418291,"eighty":27.972994,"marketCap":954363473},{"date":"2022-11-04","current":28.377927,"twenty":11.777056,"median":18.430059,"eighty":28.059532,"marketCap":904688312},{"date":"2022-11-11","current":28.883301,"twenty":11.777056,"median":18.441722,"eighty":28.173833,"marketCap":920799621},{"date":"2022-11-18","current":29.446431,"twenty":11.777056,"median":18.441722,"eighty":28.226552,"marketCap":938752221},{"date":"2022-11-25","current":29.918113,"twenty":11.777056,"median":18.441722,"eighty":28.31021,"marketCap":953789442},{"date":"2022-12-02","current":28.916992,"twenty":11.777056,"median":18.441722,"eighty":28.406178,"marketCap":921873708},{"date":"2022-12-09","current":27.790731,"twenty":11.777056,"median":18.441722,"eighty":28.419399,"marketCap":885968507},{"date":"2022-12-16","current":28.267226,"twenty":11.777056,"median":18.513165,"eighty":28.448031,"marketCap":901159169},{"date":"2022-12-23","current":29.744842,"twenty":11.777056,"median":18.588473,"eighty":28.601892,"marketCap":948265565},{"date":"2022-12-30","current":28.637833,"twenty":11.777056,"median":18.686308,"eighty":28.640962,"marketCap":912974128},{"date":"2023-01-06","current":27.006199,"twenty":11.777056,"median":18.686308,"eighty":28.652062,"marketCap":860957619},{"date":"2023-01-13","current":27.988067,"twenty":11.777056,"median":18.686308,"eighty":28.652062,"marketCap":892259589},{"date":"2023-01-20","current":28.281665,"twenty":11.777056,"median":18.686308,"eighty":28.652062,"marketCap":901619492},{"date":"2023-01-27","current":27.603021,"twenty":11.777056,"median":18.686308,"eighty":28.652062,"marketCap":879984307},{"date":"2023-02-03","current":29.797786,"twenty":11.777056,"median":18.686308,"eighty":28.696553,"marketCap":949953416},{"date":"2023-02-10","current":29.051758,"twenty":11.777056,"median":18.696091,"eighty":28.748325,"marketCap":926170057},{"date":"2023-02-17","current":39.96027,"twenty":11.777056,"median":18.720549,"eighty":28.811073,"marketCap":896908271},{"date":"2023-02-24","current":39.105103,"twenty":11.777056,"median":18.791479,"eighty":28.876861,"marketCap":877714035},{"date":"2023-03-03","current":37.66158,"twenty":11.777056,"median":18.910669,"eighty":28.974977,"marketCap":845314164},{"date":"2023-03-10","current":36.272788,"twenty":11.777056,"median":19.00916,"eighty":29.052172,"marketCap":814142724},{"date":"2023-03-17","current":37.942075,"twenty":11.777056,"median":19.077644,"eighty":29.070048,"marketCap":851609873},{"date":"2023-03-24","current":39.399281,"twenty":11.777056,"median":19.177275,"eighty":29.175936,"marketCap":884316852},{"date":"2023-03-31","current":39.727665,"twenty":11.782866,"median":19.259267,"eighty":29.221179,"marketCap":891687439},{"date":"2023-04-06","current":39.638727,"twenty":11.782866,"median":19.313156,"eighty":29.285125,"marketCap":889691238},{"date":"2023-04-14","current":39.864492,"twenty":11.777056,"median":19.437184,"eighty":29.440069,"marketCap":894758517},{"date":"2023-04-21","current":39.132468,"twenty":11.777056,"median":19.493439,"eighty":29.48487,"marketCap":878328250},{"date":"2023-04-28","current":39.713982,"twenty":11.777056,"median":19.601056,"eighty":29.684366,"marketCap":891380331},{"date":"2023-05-02","current":39.611362,"twenty":11.777056,"median":19.647527,"eighty":29.744842,"marketCap":889077023},{"date":"2023-05-12","current":47.570585,"twenty":11.759624,"median":19.665871,"eighty":29.949281,"marketCap":896705528},{"date":"2023-05-19","current":48.342703,"twenty":11.759624,"median":19.665871,"eighty":30.449519,"marketCap":911259949},{"date":"2023-05-26","current":47.960708,"twenty":11.087802,"median":19.647527,"eighty":30.530558,"marketCap":904059341},{"date":"2023-06-02","current":49.838173,"twenty":11.087802,"median":19.647527,"eighty":30.824698,"marketCap":939449564},{"date":"2023-06-09","current":51.187347,"twenty":11.087802,"median":19.647527,"eighty":31.694112,"marketCap":964881500},{"date":"2023-06-16","current":49.496816,"twenty":11.087802,"median":19.647527,"eighty":33.45565,"marketCap":933014978},{"date":"2023-06-23","current":48.976652,"twenty":10.41598,"median":19.640086,"eighty":34.017896,"marketCap":923209895},{"date":"2023-06-30","current":49.756898,"twenty":9.744157,"median":19.632645,"eighty":34.320716,"marketCap":937917520},{"date":"2023-07-07","current":48.22079,"twenty":9.744157,"median":19.632645,"eighty":34.425414,"marketCap":908961883},{"date":"2023-07-14","current":46.554641,"twenty":9.744157,"median":19.632645,"eighty":34.601499,"marketCap":877554975},{"date":"2023-07-21","current":47.651861,"twenty":9.744157,"median":19.632645,"eighty":34.708624,"marketCap":898237573},{"date":"2023-07-28","current":47.424289,"twenty":9.744157,"median":19.632645,"eighty":34.778583,"marketCap":893947849},{"date":"2023-08-04","current":28.685231,"twenty":9.744157,"median":19.632645,"eighty":34.854619,"marketCap":915862060},{"date":"2023-08-11","current":32.413639,"twenty":9.744157,"median":19.632645,"eighty":34.854619,"marketCap":1034902679},{"date":"2023-08-18","current":33.152603,"twenty":9.744157,"median":19.632645,"eighty":34.854619,"marketCap":1058496315},{"date":"2023-08-25","current":32.735137,"twenty":9.744157,"median":19.632645,"eighty":34.854619,"marketCap":1045167443},{"date":"2023-09-01","current":31.645885,"twenty":9.744157,"median":19.632645,"eighty":34.854619,"marketCap":1010389810},{"date":"2023-09-08","current":31.53552,"twenty":9.744157,"median":19.632645,"eighty":34.854619,"marketCap":1006866085},{"date":"2023-09-15","current":32.552795,"twenty":9.744157,"median":19.632645,"eighty":34.854619,"marketCap":1039345637},{"date":"2023-09-22","current":32.284081,"twenty":9.744157,"median":19.632645,"eighty":34.854619,"marketCap":1030766133},{"date":"2023-09-29","current":31.166038,"twenty":9.744157,"median":19.632645,"eighty":34.854619,"marketCap":995069267},{"date":"2023-10-06","current":32.250492,"twenty":9.744157,"median":19.632645,"eighty":34.854619,"marketCap":1029693695},{"date":"2023-10-13","current":31.190031,"twenty":9.744157,"median":19.632645,"eighty":34.854619,"marketCap":995835295},{"date":"2023-10-20","current":31.468342,"twenty":9.744157,"median":19.632645,"eighty":34.854619,"marketCap":1004721209},{"date":"2023-10-27","current":31.981777,"twenty":8.391648,"median":19.577708,"eighty":34.868626,"marketCap":1021114190},{"date":"2023-11-03","current":23.255588,"twenty":8.391648,"median":19.577708,"eighty":34.868626,"marketCap":1040571280},{"date":"2023-11-10","current":24.16585,"twenty":8.391648,"median":19.577708,"eighty":34.868626,"marketCap":1081300953},{"date":"2023-11-17","current":25.837184,"twenty":8.391648,"median":19.684215,"eighty":34.868626,"marketCap":1156084806},{"date":"2023-11-24","current":26.337215,"twenty":8.391648,"median":19.728246,"eighty":34.868626,"marketCap":1178458664},{"date":"2023-12-01","current":26.224194,"twenty":8.391648,"median":19.728246,"eighty":34.868626,"marketCap":1173401559},{"date":"2023-12-08","current":29.796329,"twenty":8.396081,"median":19.765881,"eighty":34.862623,"marketCap":1333236720},{"date":"2023-12-15","current":31.40944,"twenty":8.396081,"median":19.832738,"eighty":34.862623,"marketCap":1405415397},{"date":"2023-12-21","current":32.649241,"twenty":8.396081,"median":19.857736,"eighty":34.862623,"marketCap":1460890304},{"date":"2023-12-29","current":32.371827,"twenty":8.387216,"median":20.115182,"eighty":34.874629,"marketCap":1448477411},{"date":"2024-01-05","current":32.022491,"twenty":8.382783,"median":20.302763,"eighty":34.880632,"marketCap":1432846360},{"date":"2024-01-12","current":32.642392,"twenty":8.382783,"median":20.422862,"eighty":34.880632,"marketCap":1460583813},{"date":"2024-01-19","current":32.642392,"twenty":8.378351,"median":20.515365,"eighty":34.886635,"marketCap":1460583813},{"date":"2024-01-26","current":33.597929,"twenty":8.382783,"median":20.566671,"eighty":34.880632,"marketCap":1503339336},{"date":"2024-02-02","current":31.90947,"twenty":8.382783,"median":20.972881,"eighty":34.880632,"marketCap":1427789255},{"date":"2024-02-09","current":31.14915,"twenty":8.382783,"median":21.412727,"eighty":34.880632,"marketCap":1393768732},{"date":"2024-02-16","current":31.625207,"twenty":8.382783,"median":23.93,"eighty":34.880632,"marketCap":1415069870},{"date":"2024-02-23","current":23.154359,"twenty":8.382783,"median":23.93,"eighty":34.880632,"marketCap":1546664891},{"date":"2024-03-01","current":22.671785,"twenty":8.387216,"median":23.803047,"eighty":34.874629,"marketCap":1514429914},{"date":"2024-03-08","current":21.9755,"twenty":8.387216,"median":23.803047,"eighty":34.874629,"marketCap":1467919448},{"date":"2024-03-15","current":21.387219,"twenty":8.387216,"median":23.803047,"eighty":34.874629,"marketCap":1428623476},{"date":"2024-03-22","current":21.451563,"twenty":8.387216,"median":23.803047,"eighty":34.874629,"marketCap":1432921473},{"date":"2024-03-28","current":21.442371,"twenty":8.387216,"median":23.803047,"eighty":34.874629,"marketCap":1432307473},{"date":"2024-04-05","current":20.952903,"twenty":8.382783,"median":23.93,"eighty":34.880632,"marketCap":1399611997},{"date":"2024-04-12","current":20.69878,"twenty":8.382783,"median":23.93,"eighty":34.880632,"marketCap":1382637130},{"date":"2024-04-19","current":20.272358,"twenty":8.382783,"median":23.93,"eighty":34.880632,"marketCap":1354152957},{"date":"2024-04-26","current":20.922364,"twenty":8.387216,"median":23.803047,"eighty":34.874629,"marketCap":1397572074},{"date":"2024-05-03","current":21.530881,"twenty":8.387216,"median":23.803047,"eighty":34.874629,"marketCap":1438219758},{"date":"2024-05-10","current":22.134787,"twenty":8.387216,"median":23.803047,"eighty":34.874629,"marketCap":1478559505},{"date":"2024-05-17","current":18.819612,"twenty":8.387216,"median":23.803047,"eighty":34.874629,"marketCap":1529808582},{"date":"2024-05-24","current":18.800667,"twenty":8.387216,"median":23.803047,"eighty":34.874629,"marketCap":1528268609},{"date":"2024-05-31","current":20.033963,"twenty":8.387216,"median":23.803047,"eighty":34.874629,"marketCap":1628520813},{"date":"2024-06-07","current":19.545191,"twenty":8.387216,"median":23.803047,"eighty":34.874629,"marketCap":1588789525},{"date":"2024-06-14","current":19.550875,"twenty":8.387216,"median":23.803047,"eighty":34.874629,"marketCap":1589251516},{"date":"2024-06-21","current":20.115425,"twenty":8.382783,"median":23.93,"eighty":34.880632,"marketCap":1635142694},{"date":"2024-06-28","current":20.535996,"twenty":8.382783,"median":23.93,"eighty":34.880632,"marketCap":1669330081},{"date":"2024-07-05","current":21.646153,"twenty":8.382783,"median":23.93,"eighty":34.880632,"marketCap":1759572464},{"date":"2024-07-12","current":22.91355,"twenty":8.382783,"median":23.93,"eighty":34.880632,"marketCap":1862596617},{"date":"2024-07-19","current":23.58419,"twenty":8.382783,"median":24.015156,"eighty":34.880632,"marketCap":1917111640},{"date":"2024-07-26","current":25.719252,"twenty":8.382783,"median":24.289145,"eighty":34.880632,"marketCap":2090666530},{"date":"2024-08-02","current":23.76227,"twenty":8.382783,"median":24.653149,"eighty":34.880632,"marketCap":1931587381},{"date":"2024-08-09","current":20.635088,"twenty":8.382783,"median":24.653149,"eighty":34.880632,"marketCap":1895353466},{"date":"2024-08-16","current":21.357182,"twenty":8.382783,"median":24.653149,"eighty":34.880632,"marketCap":1961678498},{"date":"2024-08-23","current":22.502456,"twenty":8.382783,"median":24.653149,"eighty":34.880632,"marketCap":2066873084},{"date":"2024-08-30","current":23.028073,"twenty":8.382783,"median":24.653149,"eighty":34.880632,"marketCap":2115151537},{"date":"2024-09-06","current":21.66785,"twenty":8.382783,"median":24.653149,"eighty":34.880632,"marketCap":1990213686},{"date":"2024-09-13","current":20.932322,"twenty":8.382783,"median":24.653149,"eighty":34.880632,"marketCap":1922654700},{"date":"2024-09-20","current":21.286652,"twenty":8.382783,"median":24.653149,"eighty":34.880632,"marketCap":1955200239},{"date":"2024-09-27","current":20.824848,"twenty":8.382783,"median":24.653149,"eighty":34.880632,"marketCap":1912783068},{"date":"2024-10-04","current":20.658598,"twenty":8.382783,"median":24.653149,"eighty":34.880632,"marketCap":1897512886},{"date":"2024-10-11","current":20.218625,"twenty":8.382783,"median":24.653149,"eighty":34.880632,"marketCap":1857100890},{"date":"2024-10-18","current":20.527614,"twenty":8.382783,"median":24.653149,"eighty":34.880632,"marketCap":1885481834},{"date":"2024-10-25","current":19.931466,"twenty":8.382783,"median":24.653149,"eighty":34.880632,"marketCap":1830725121},{"date":"2024-11-01","current":20.067489,"twenty":8.382783,"median":24.653149,"eighty":34.880632,"marketCap":1843218907},{"date":"2024-11-08","current":16.705913,"twenty":8.382783,"median":24.653149,"eighty":34.880632,"marketCap":2075743040},{"date":"2024-11-15","current":15.6409,"twenty":8.382783,"median":24.653149,"eighty":34.880632,"marketCap":1943413070},{"date":"2024-11-22","current":15.717948,"twenty":8.382783,"median":24.653149,"eighty":34.880632,"marketCap":1952986533},{"date":"2024-11-29","current":15.55888,"twenty":8.382783,"median":24.653149,"eighty":34.880632,"marketCap":1933221964},{"date":"2024-12-06","current":15.365015,"twenty":8.382783,"median":24.653149,"eighty":34.880632,"marketCap":1909133894},{"date":"2024-12-13","current":15.091617,"twenty":8.382783,"median":24.653149,"eighty":34.880632,"marketCap":1875163540},{"date":"2024-12-20","current":13.902332,"twenty":8.382783,"median":24.653149,"eighty":34.880632,"marketCap":1727392500},{"date":"2024-12-27","current":13.622719,"twenty":8.382783,"median":24.653149,"eighty":34.880632,"marketCap":1692650093},{"date":"2025-01-03","current":13.272271,"twenty":8.382783,"median":24.653149,"eighty":34.880632,"marketCap":1649106276},{"date":"2025-01-10","current":12.035763,"twenty":8.378351,"median":24.702326,"eighty":34.886635,"marketCap":1495467629},{"date":"2025-01-17","current":12.259453,"twenty":8.378351,"median":24.702326,"eighty":34.886635,"marketCap":1523261555},{"date":"2025-01-24","current":11.928889,"twenty":8.378351,"median":24.702326,"eighty":34.886635,"marketCap":1482188309},{"date":"2025-01-31","current":12.759027,"twenty":8.378351,"median":24.702326,"eighty":34.886635,"marketCap":1585334656},{"date":"2025-02-07","current":12.386211,"twenty":8.378351,"median":24.702326,"eighty":34.886635,"marketCap":1539011446},{"date":"2025-02-14","current":12.770212,"twenty":8.378351,"median":24.702326,"eighty":34.886635,"marketCap":1586724353},{"date":"2025-02-21","current":11.644306,"twenty":8.378351,"median":24.702326,"eighty":34.886635,"marketCap":1446828259},{"date":"2025-02-28","current":14.11829,"twenty":8.378351,"median":24.702326,"eighty":34.886635,"marketCap":1439034967},{"date":"2025-03-07","current":14.066769,"twenty":8.369486,"median":24.751502,"eighty":34.888358,"marketCap":1433783578},{"date":"2025-03-14","current":14.18648,"twenty":8.369486,"median":24.751502,"eighty":34.888358,"marketCap":1445985334},{"date":"2025-03-21","current":13.747035,"twenty":8.369486,"median":24.751502,"eighty":34.888358,"marketCap":1401194077},{"date":"2025-03-28","current":14.018146,"twenty":8.369486,"median":24.751502,"eighty":34.888358,"marketCap":1428827617},{"date":"2025-04-04","current":14.09096,"twenty":8.369486,"median":24.751502,"eighty":34.888358,"marketCap":1436249295},{"date":"2025-04-11","current":13.942299,"twenty":8.378351,"median":24.702326,"eighty":34.886635,"marketCap":1421096703},{"date":"2025-04-17","current":13.975672,"twenty":8.378351,"median":24.702326,"eighty":34.886635,"marketCap":1424498305},{"date":"2025-04-25","current":14.347325,"twenty":8.369486,"median":24.751502,"eighty":34.888358,"marketCap":1462379786},{"date":"2025-05-02","current":14.590037,"twenty":8.369486,"median":24.751502,"eighty":34.888358,"marketCap":1487118713},{"date":"2025-05-09","current":14.413155,"twenty":8.369486,"median":24.594417,"eighty":34.852618,"marketCap":1555453234},{"date":"2025-05-16","current":15.570049,"twenty":8.369486,"median":24.16585,"eighty":34.746568,"marketCap":1680304115},{"date":"2025-05-23","current":14.56368,"twenty":8.369486,"median":23.889199,"eighty":34.66653,"marketCap":1571697772},{"date":"2025-05-30","current":15.012389,"twenty":8.369486,"median":23.58419,"eighty":34.591494,"marketCap":1620121968},{"date":"2025-06-06","current":15.115606,"twenty":8.369486,"median":22.91355,"eighty":34.409407,"marketCap":1631261080},{"date":"2025-06-13","current":14.989451,"twenty":8.369486,"median":22.687871,"eighty":34.282022,"marketCap":1617646609},{"date":"2025-06-20","current":15.20162,"twenty":8.360622,"median":22.549376,"eighty":33.920174,"marketCap":1640543673},{"date":"2025-06-27","current":15.633126,"twenty":8.360622,"median":22.257801,"eighty":33.521897,"marketCap":1687111350},{"date":"2025-07-03","current":15.545678,"twenty":8.360622,"median":22.128678,"eighty":33.349446,"marketCap":1677674047},{"date":"2025-07-11","current":14.913472,"twenty":8.360622,"median":21.951372,"eighty":33.118539,"marketCap":1609446985},{"date":"2025-07-18","current":14.152244,"twenty":8.360622,"median":21.796762,"eighty":32.984657,"marketCap":1527296034},{"date":"2025-07-25","current":13.544409,"twenty":8.360622,"median":21.713256,"eighty":32.763928,"marketCap":1461699040},{"date":"2025-08-01","current":13.766613,"twenty":8.360622,"median":21.615427,"eighty":32.688252,"marketCap":1485679073},{"date":"2025-08-08","current":13.821088,"twenty":8.360622,"median":21.467019,"eighty":32.643022,"marketCap":1491558049},{"date":"2025-08-15","current":15.730621,"twenty":8.360622,"median":21.372201,"eighty":32.643022,"marketCap":1648521884},{"date":"2025-08-22","current":16.31488,"twenty":8.360622,"median":21.324436,"eighty":32.643022,"marketCap":1709750483},{"date":"2025-08-29","current":16.739392,"twenty":8.360622,"median":21.259682,"eighty":32.643022,"marketCap":1754238097},{"date":"2025-09-05","current":17.032261,"twenty":8.351757,"median":21.150528,"eighty":32.643336,"marketCap":1784929901},{"date":"2025-09-12","current":17.058886,"twenty":8.360622,"median":21.114479,"eighty":32.643022,"marketCap":1787720065},{"date":"2025-09-19","current":17.612083,"twenty":8.360622,"median":21.041221,"eighty":32.643022,"marketCap":1845693472},{"date":"2025-09-26","current":18.086886,"twenty":8.360622,"median":20.961925,"eighty":32.643022,"marketCap":1895451397},{"date":"2025-10-03","current":18.015887,"twenty":8.360622,"median":20.915588,"eighty":32.643022,"marketCap":1888010959},{"date":"2025-10-10","current":17.585459,"twenty":8.360622,"median":20.838282,"eighty":32.643022,"marketCap":1842903308},{"date":"2025-10-17","current":18.027721,"twenty":8.360622,"median":20.73685,"eighty":32.643022,"marketCap":1889251032},{"date":"2025-10-24","current":18.055824,"twenty":8.360622,"median":20.673712,"eighty":32.643022,"marketCap":1892196205},{"date":"2025-10-31","current":18.014408,"twenty":8.360622,"median":20.544346,"eighty":32.643022,"marketCap":1887855950},{"date":"2025-11-07","current":19.155201,"twenty":8.360622,"median":20.480593,"eighty":32.594392,"marketCap":1939406625},{"date":"2025-11-14","current":19.403452,"twenty":8.360622,"median":20.349609,"eighty":32.478448,"marketCap":1964541334},{"date":"2025-11-21","current":19.516851,"twenty":8.360622,"median":20.270618,"eighty":32.403207,"marketCap":1976022622},{"date":"2025-11-28","current":20.885299,"twenty":8.360622,"median":20.25241,"eighty":32.38101,"marketCap":2114573831},{"date":"2025-12-05","current":20.931271,"twenty":8.360622,"median":20.25241,"eighty":32.324388,"marketCap":2119228407},{"date":"2025-12-12","current":21.109031,"twenty":8.360622,"median":20.25241,"eighty":32.265195,"marketCap":2137226100},{"date":"2025-12-19","current":21.709738,"twenty":8.360622,"median":20.25241,"eighty":32.13053,"marketCap":2198045892},{"date":"2025-12-26","current":21.23469,"twenty":8.360622,"median":20.25241,"eighty":31.952777,"marketCap":2149948608},{"date":"2026-01-02","current":21.007892,"twenty":8.360622,"median":20.25241,"eighty":31.882756,"marketCap":2126986033},{"date":"2026-01-09","current":19.720662,"twenty":8.360622,"median":20.217895,"eighty":31.694371,"marketCap":1996657908},{"date":"2026-01-16","current":21.302116,"twenty":8.360622,"median":20.214536,"eighty":31.630687,"marketCap":2156775319},{"date":"2026-01-23","current":22.212371,"twenty":8.360622,"median":20.214536,"eighty":31.506729,"marketCap":2248935922},{"date":"2026-01-30","current":21.481408,"twenty":8.360622,"median":20.214536,"eighty":31.393097,"marketCap":2174928165},{"date":"2026-02-06","current":24.503333,"twenty":8.360622,"median":20.214536,"eighty":31.248962,"marketCap":2480888954},{"date":"2026-02-13","current":25.79516,"twenty":8.360622,"median":20.214536,"eighty":31.155905,"marketCap":2611682537},{"date":"2026-02-20","current":24.276535,"twenty":8.360622,"median":20.214536,"eighty":31.050875,"marketCap":2457926380},{"date":"2026-02-27","current":20.706396,"twenty":8.360622,"median":20.214536,"eighty":31.050875,"marketCap":2485078073},{"date":"2026-03-06","current":21.766768,"twenty":8.360622,"median":20.214536,"eighty":31.050875,"marketCap":2612338629},{"date":"2026-03-13","current":20.185637,"twenty":8.360622,"median":20.211015,"eighty":31.050875,"marketCap":2422579246},{"date":"2026-03-20","current":20.425202,"twenty":8.360622,"median":20.211015,"eighty":31.050875,"marketCap":2451330668},{"date":"2026-03-27","current":20.884909,"twenty":8.360622,"median":20.211015,"eighty":31.050875,"marketCap":2506502315},{"date":"2026-04-02","current":20.456281,"twenty":8.360622,"median":20.211015,"eighty":31.050875,"marketCap":2455060582},{"date":"2026-04-10","current":22.981022,"twenty":8.360622,"median":20.211015,"eighty":31.050875,"marketCap":2758067323},{"date":"2026-04-17","current":20.966397,"twenty":8.360622,"median":20.211015,"eighty":31.050875,"marketCap":2516282110},{"date":"2026-04-24","current":22.171272,"twenty":8.360622,"median":20.211015,"eighty":31.050875,"marketCap":2660885266},{"date":"2026-05-01","current":22.523507,"twenty":8.360622,"median":20.211015,"eighty":31.050875,"marketCap":2703158681},{"date":"2026-05-08","current":21.62249,"twenty":8.360622,"median":20.217895,"eighty":31.050875,"marketCap":2673988465},{"date":"2026-05-15","current":25.003147,"twenty":8.360622,"median":20.25241,"eighty":31.050875,"marketCap":3092064132},{"date":"2026-05-22","current":24.755591,"twenty":8.360622,"median":20.292298,"eighty":31.050875,"marketCap":3061449636},{"date":"2026-05-29","current":23.346038,"twenty":8.351757,"median":20.359811,"eighty":31.06527,"marketCap":2887134442},{"date":"2026-06-05","current":23.747685,"twenty":8.360622,"median":20.426029,"eighty":31.050875,"marketCap":2936804900},{"date":"2026-06-12","current":24.749275,"twenty":8.360622,"median":20.51522,"eighty":31.050875,"marketCap":3060668653},{"date":"2026-06-18","current":24.136701,"twenty":8.360622,"median":20.539019,"eighty":31.050875,"marketCap":2984913395},{"date":"2026-06-26","current":25.454052,"twenty":8.351757,"median":20.606399,"eighty":31.06527,"marketCap":3147826250},{"date":"2026-07-02","current":26.866131,"twenty":8.351757,"median":20.680307,"eighty":31.06527,"marketCap":3322453837},{"date":"2026-07-10","current":27.051798,"twenty":8.351757,"median":20.706396,"eighty":31.06527,"marketCap":3345414709},{"date":"2026-07-17","current":28.372938,"twenty":8.351757,"median":20.742575,"eighty":31.06527,"marketCap":3508796154},{"date":"2026-07-24","current":27.977607,"twenty":8.351757,"median":20.824848,"eighty":31.06527,"marketCap":3459906677},{"date":"2026-07-31","current":28.919835,"twenty":8.342893,"median":20.868975,"eighty":31.079666,"marketCap":3576429199},{"date":"2026-08-07","current":24.437705,"twenty":8.97272,"median":20.886544,"eighty":31.079666,"marketCap":3427730217},{"date":"2026-08-14","current":24.546577,"twenty":11.938334,"median":20.926817,"eighty":31.079666,"marketCap":3443001076},{"date":"2026-08-21","current":26.434689,"twenty":12.073542,"median":20.950311,"eighty":31.079666,"marketCap":3707835266},{"date":"2026-08-28","current":24.816786,"twenty":12.290273,"median":21.006618,"eighty":31.079666,"marketCap":3480901652},{"date":"2026-08-31","current":24.865915,"twenty":12.340727,"median":21.00957,"eighty":31.079666,"marketCap":3487792666}],"updateTime":1788329950688},"$inf$@#url:\"https://stock-news.skytigris.cn/v3/notice/important/events/list\",params:#symbol:\"NHC\",pageSize:20,pageCount:6,market:\"us\",,,undefined,":[{"items":[{"cdn_pdf":false,"hasAttachments":true,"id":"12704595","market":"us","labels":[],"media":"sec.gov","original_id":"AN143774921011156-NHC","pdf_url":null,"pub_time":1620230400000,"showTitleType":true,"size":0,"source":"sec_us","summary":"10-Q  - Quarterly report [Sections 13 or 15(d)]","symbol":"NHC","title":"10-Q  - Quarterly report [Sections 13 or 15(d)]","titleType":"Quarterly Report","type":"usFinancials","url":"https://www.sec.gov/Archives/edgar/data/1047335/000143774921011156/0001437749-21-011156-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":"FORM 10-Q","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1047335/000143774921011156/nhc20210331_10q.htm","primary":true,"translateUrl":null,"linkName":"nhc20210331_10q.htm","type":"10-Q","id":"NTFILE7xPknboTpvMBN6zA","market":"us","size":1224669},{"description":"EXHIBIT 31.1","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1047335/000143774921011156/ex_245141.htm","primary":false,"translateUrl":null,"linkName":"ex_245141.htm","type":"EX-31.1","id":"NTFILE6vCxRC4rYQuX26zr","market":"us","size":12956},{"description":"EXHIBIT 31.2","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1047335/000143774921011156/ex_245142.htm","primary":false,"translateUrl":null,"linkName":"ex_245142.htm","type":"EX-31.2","id":"NTFILECn3KdkP4KAvu2PnU","market":"us","size":13607},{"description":"EXHIBIT 32","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1047335/000143774921011156/ex_245143.htm","primary":false,"translateUrl":null,"linkName":"ex_245143.htm","type":"EX-32","id":"NTFILEc2MBtUfkzUAtGoh1","market":"us","size":10507},{"description":"","seq":10,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1047335/000143774921011156/nhc20210331_10qimg001.jpg","primary":false,"translateUrl":null,"linkName":"nhc20210331_10qimg001.jpg","type":"GRAPHIC","id":"NTFILE6ny93i4C8tM83W87","market":"us","size":6712}],"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":81261,"name":"Interim Condensed Consolidated Statements of Operations (Unaudited)","name_zh":null,"url":"https://www.sec.gov/Archives/edgar/data/1047335/000143774921011156/R2.htm","cdn_url":"","translation_url":"","translate_status":0},{"id":81262,"name":"Interim Condensed Consolidated Statements of Comprehensive Income/(Loss) (Unaudited)","name_zh":null,"url":"https://www.sec.gov/Archives/edgar/data/1047335/000143774921011156/R3.htm","cdn_url":"","translation_url":"","translate_status":0},{"id":81263,"name":"Interim Condensed Consolidated Balance Sheets (Current Period Unaudited)","name_zh":null,"url":"https://www.sec.gov/Archives/edgar/data/1047335/000143774921011156/R4.htm","cdn_url":"","translation_url":"","translate_status":0},{"id":81264,"name":"Interim Condensed Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals)","name_zh":null,"url":"https://www.sec.gov/Archives/edgar/data/1047335/000143774921011156/R5.htm","cdn_url":"","translation_url":"","translate_status":0},{"id":81265,"name":"Interim Condensed Consolidated Statements of Cash Flows (Unaudited)","name_zh":null,"url":"https://www.sec.gov/Archives/edgar/data/1047335/000143774921011156/R6.htm","cdn_url":"","translation_url":"","translate_status":0},{"id":81266,"name":"Interim Condensed Consolidated Statements of Stockholders' Equity (Unaudited)","name_zh":null,"url":"https://www.sec.gov/Archives/edgar/data/1047335/000143774921011156/R7.htm","cdn_url":"","translation_url":"","translate_status":0},{"id":81267,"name":"Interim Condensed Consolidated Statements of Stockholders' Equity (Unaudited) (Parentheticals)","name_zh":"中期简明股东权益综合报表（未经审核）（括号）","url":"https://www.sec.gov/Archives/edgar/data/1047335/000143774921011156/R8.htm","cdn_url":"https://static.tigerbbs.com/20d473f68c81ee350045666525940fdc","translation_url":"https://static.tigerbbs.com/9d37e74fabb75d2bec281e90018f13be","translate_status":1}],"event_type":"important_notice","event_name":"Quarterly Report","pubTime":"2021-05-06 00:00","pubTimestamp":1620230400,"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":"11911002","market":"us","labels":[],"media":"sec.gov","original_id":"AN143774921003415-NHC","pdf_url":null,"pub_time":1613664000000,"showTitleType":true,"size":0,"source":"sec_us","summary":"10-K  - Annual report [Section 13 and 15(d), not S-K Item 405]","symbol":"NHC","title":"10-K  - Annual report [Section 13 and 15(d), not S-K Item 405]","titleType":"Annual Report","type":"usFinancials","url":"https://www.sec.gov/Archives/edgar/data/1047335/000143774921003415/0001437749-21-003415-index.htm","us_notice_code":"Form 10-K","us_title_en":"10-K  - Annual report [Section 13 and 15(d), not S-K Item 405]","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"FORM 10-K","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1047335/000143774921003415/nhc20201231_10k.htm","primary":true,"translateUrl":null,"linkName":"nhc20201231_10k.htm","type":"10-K","id":"NTFILEQXS1PoF3qFiR8KFC","market":"us","size":3018246},{"description":"EXHIBIT 10.20","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1047335/000143774921003415/ex_225369.htm","primary":false,"translateUrl":null,"linkName":"ex_225369.htm","type":"EX-10.20","id":"NTFILEBkyZmbTmj1UdAmS6","market":"us","size":18269},{"description":"EXHIBIT 21","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1047335/000143774921003415/ex_225370.htm","primary":false,"translateUrl":null,"linkName":"ex_225370.htm","type":"EX-21","id":"NTFILEGbeKch386du1nwtf","market":"us","size":84159},{"description":"EXHIBIT 23","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1047335/000143774921003415/ex_225661.htm","primary":false,"translateUrl":null,"linkName":"ex_225661.htm","type":"EX-23","id":"NTFILEGkaVkjRXUAfoK1iT","market":"us","size":2871},{"description":"EXHIBIT 31.1","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1047335/000143774921003415/ex_225371.htm","primary":false,"translateUrl":null,"linkName":"ex_225371.htm","type":"EX-31.1","id":"NTFILE2YyBntjtUkbasXRR","market":"us","size":13514},{"description":"EXHIBIT 31.2","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1047335/000143774921003415/ex_225372.htm","primary":false,"translateUrl":null,"linkName":"ex_225372.htm","type":"EX-31.2","id":"NTFILE2Ba6BrHCUimiHF8s","market":"us","size":13674},{"description":"EXHIBIT 32","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1047335/000143774921003415/ex_225373.htm","primary":false,"translateUrl":null,"linkName":"ex_225373.htm","type":"EX-32","id":"NTFILEAkKVYqVMytajsxEr","market":"us","size":7210},{"description":"EXHIBIT 99.1","seq":8,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1047335/000143774921003415/ex_225383.htm","primary":false,"translateUrl":null,"linkName":"ex_225383.htm","type":"EX-99.1","id":"NTFILEJSswaCCwy4WppxtQ","market":"us","size":371862},{"description":"","seq":14,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1047335/000143774921003415/graph1.jpg","primary":false,"translateUrl":null,"linkName":"graph1.jpg","type":"GRAPHIC","id":"NTFILE8VbqCBgcUVS3Dtie","market":"us","size":44205},{"description":"","seq":15,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1047335/000143774921003415/lbmc.jpg","primary":false,"translateUrl":null,"linkName":"lbmc.jpg","type":"GRAPHIC","id":"NTFILEAyooeFM18CjnWS9K","market":"us","size":7660},{"description":"","seq":16,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1047335/000143774921003415/lbmcsig.jpg","primary":false,"translateUrl":null,"linkName":"lbmcsig.jpg","type":"GRAPHIC","id":"NTFILENX23xsBZNiNF39wy","market":"us","size":2492},{"description":"","seq":17,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1047335/000143774921003415/logobanner.jpg","primary":false,"translateUrl":null,"linkName":"logobanner.jpg","type":"GRAPHIC","id":"NTFILEDNSzjjye9hgY1RJs","market":"us","size":9455}],"type_name":"Financial Report","type_name_en":"Financial Report","titleTypeEn":"Annual Report","us_type":"财务报告","us_type_zh":"财务报告","earn_infos":[],"event_type":"important_notice","event_name":"Annual Report","pubTime":"2021-02-19 00:00","pubTimestamp":1613664000,"title_zh":"10-K  - Annual report [Section 13 and 15(d), not S-K Item 405","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"11910860","market":"us","labels":[],"media":"sec.gov","original_id":"AN143774921003393-NHC","pdf_url":null,"pub_time":1613664000000,"showTitleType":true,"size":0,"source":"sec_us","summary":"8-K  - Current report","symbol":"NHC","title":"8-K  - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1047335/000143774921003393/0001437749-21-003393-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 2.02: Results of Operations and Financial Condition;\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":"EXHIBIT 99.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1047335/000143774921003393/ex_227338.htm","primary":true,"translateUrl":null,"linkName":"ex_227338.htm","type":"EX-99.1","id":"NTFILEBzx52BCT7qEXqVZN","market":"us","size":206954},{"description":"FORM 8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1047335/000143774921003393/nhc20210217_8k.htm","primary":false,"translateUrl":null,"linkName":"nhc20210217_8k.htm","type":"8-K","id":"NTFILEH8GYPzJy7zx3SKMw","market":"us","size":23642},{"description":"EXHIBIT 99.2","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1047335/000143774921003393/ex_227339.htm","primary":false,"translateUrl":null,"linkName":"ex_227339.htm","type":"EX-99.2","id":"NTFILE3VDenSXGL3nQtjVg","market":"us","size":6570},{"description":"","seq":8,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1047335/000143774921003393/ex_227338img001.jpg","primary":false,"translateUrl":null,"linkName":"ex_227338img001.jpg","type":"GRAPHIC","id":"NTFILECp75uEHBiYHV3f9p","market":"us","size":7052},{"description":"","seq":9,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1047335/000143774921003393/ex_227339img001.jpg","primary":false,"translateUrl":null,"linkName":"ex_227339img001.jpg","type":"GRAPHIC","id":"NTFILE8UnHRgjo1F3jkXvi","market":"us","size":6662}],"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":"2021-02-19 00:00","pubTimestamp":1613664000,"title_zh":"8-K  - Current report","summary_en":"Item 2.02: Results of Operations and Financial Condition;\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":"11910865","market":"us","labels":[],"media":"sec.gov","original_id":"AN143774921002705-NHC","pdf_url":null,"pub_time":1613059200000,"showTitleType":true,"size":0,"source":"sec_us","summary":"8-K  - Current report","symbol":"NHC","title":"8-K  - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1047335/000143774921002705/0001437749-21-002705-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 7.01: Regulation FD Disclosure","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"FORM 8-K","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1047335/000143774921002705/nhc20210210_8k.htm","primary":true,"translateUrl":null,"linkName":"nhc20210210_8k.htm","type":"8-K","id":"NTFILEEyJkiAWVQQ8HhCiE","market":"us","size":24644}],"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":"2021-02-12 00:00","pubTimestamp":1613059200,"title_zh":"8-K  - Current report","summary_en":"Item 7.01: Regulation FD Disclosure","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"11910862","market":"us","labels":[],"media":"sec.gov","original_id":"AN110465921018689-NHC","pdf_url":null,"pub_time":1612886400000,"showTitleType":true,"size":0,"source":"sec_us","summary":"SC 13G/A [Amend]  - Statement of acquisition of beneficial ownership by individuals","symbol":"NHC","title":"SC 13G/A [Amend]  - Statement of acquisition of beneficial ownership by individuals","titleType":"Beneficial Ownership Change","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1047335/000110465921018689/0001104659-21-018689-index.htm","us_notice_code":"Form SC 13G/A","us_title_en":"SC 13G/A [Amend]  - Statement of acquisition of beneficial ownership by individuals","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"SCHEDULE 13G/A","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/102909/000110465921018689/tv01449-nationalhealthcareco.htm","primary":true,"translateUrl":null,"linkName":"tv01449-nationalhealthcareco.htm","type":"SC 13G/A","id":"NTFILE9WCHGYg8vV3Pbp6k","market":"us","size":12332}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Beneficial Ownership Change","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Beneficial Ownership Change","pubTime":"2021-02-10 00:00","pubTimestamp":1612886400,"title_zh":"SC 13G/A [Amend]  - Statement of acquisition of beneficial ownership by individuals","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":false,"id":"11910857","market":"us","labels":[],"media":"sec.gov","original_id":"AN83423721004705-NHC","pdf_url":null,"pub_time":1611849600000,"showTitleType":true,"size":0,"source":"sec_us","summary":"SC 13G/A [Amend]  - Statement of acquisition of beneficial ownership by individuals","symbol":"NHC","title":"SC 13G/A [Amend]  - Statement of acquisition of beneficial ownership by individuals","titleType":"Beneficial Ownership Change","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1047335/000083423721004705/0000834237-21-004705-index.htm","us_notice_code":"Form SC 13G/A","us_title_en":"SC 13G/A [Amend]  - Statement of acquisition of beneficial ownership by individuals","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Beneficial Ownership Change","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Beneficial Ownership Change","pubTime":"2021-01-29 00:00","pubTimestamp":1611849600,"title_zh":"SC 13G/A [Amend]  - Statement of acquisition of beneficial ownership by individuals","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"10818891","market":"us","labels":[],"media":"sec.gov","original_id":"AN143774920023548-NHC","pdf_url":null,"pub_time":1605110400000,"showTitleType":true,"size":0,"source":"sec_us","summary":"8-K  - Current report","symbol":"NHC","title":"8-K  - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1047335/000143774920023548/0001437749-20-023548-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 7.01: Regulation FD Disclosure","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"FORM 8-K","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1047335/000143774920023548/nhc20201111_8k.htm","primary":true,"translateUrl":null,"linkName":"nhc20201111_8k.htm","type":"8-K","id":"NTFILEFZM3NDMPpiMHvGsM","market":"us","size":20431}],"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":"2020-11-12 00:00","pubTimestamp":1605110400,"title_zh":"8-K  - Current report","summary_en":"Item 7.01: Regulation FD Disclosure","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"10757976","market":"us","labels":[],"media":"sec.gov","original_id":"AN143774920023005-NHC","pdf_url":null,"pub_time":1604592000000,"showTitleType":true,"size":0,"source":"sec_us","summary":"8-K  - Current report","symbol":"NHC","title":"8-K  - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1047335/000143774920023005/0001437749-20-023005-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 2.02: Results of Operations and Financial Condition;\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":"EXHIBIT 99.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1047335/000143774920023005/ex_212530.htm","primary":true,"translateUrl":null,"linkName":"ex_212530.htm","type":"EX-99.1","id":"NTFILE9nFDitH6ctSL6LHU","market":"us","size":228484},{"description":"FORM 8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1047335/000143774920023005/nhc20201106_8k.htm","primary":false,"translateUrl":null,"linkName":"nhc20201106_8k.htm","type":"8-K","id":"NTFILE4yC8u2ihyqdLKmeB","market":"us","size":24692},{"description":"EXHIBIT 99.2","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1047335/000143774920023005/ex_212531.htm","primary":false,"translateUrl":null,"linkName":"ex_212531.htm","type":"EX-99.2","id":"NTFILEAfQfq4kaN1AJe8qr","market":"us","size":6574},{"description":"","seq":8,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1047335/000143774920023005/ex_212530img001.jpg","primary":false,"translateUrl":null,"linkName":"ex_212530img001.jpg","type":"GRAPHIC","id":"NTFILEG29ukQ9rC2rALSbW","market":"us","size":7052},{"description":"","seq":9,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1047335/000143774920023005/ex_212531img001.jpg","primary":false,"translateUrl":null,"linkName":"ex_212531img001.jpg","type":"GRAPHIC","id":"NTFILE6ndPLJ2h5a7tLi2v","market":"us","size":6662}],"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":"2020-11-06 00:00","pubTimestamp":1604592000,"title_zh":"8-K  - Current report","summary_en":"Item 2.02: Results of Operations and Financial Condition;\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":"10741048","market":"us","labels":[],"media":"sec.gov","original_id":"AN143774920022765-NHC","pdf_url":null,"pub_time":1604505600000,"showTitleType":true,"size":0,"source":"sec_us","summary":"10-Q  - Quarterly report [Sections 13 or 15(d)]","symbol":"NHC","title":"10-Q  - Quarterly report [Sections 13 or 15(d)]","titleType":"Quarterly Report","type":"usFinancials","url":"https://www.sec.gov/Archives/edgar/data/1047335/000143774920022765/0001437749-20-022765-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":"FORM 10-Q","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1047335/000143774920022765/nhc20200930_10q.htm","primary":true,"translateUrl":null,"linkName":"nhc20200930_10q.htm","type":"10-Q","id":"NTFILED7TPvBtZdCpPCF1J","market":"us","size":1945653},{"description":"EXHIBIT 31.1","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1047335/000143774920022765/ex_210241.htm","primary":false,"translateUrl":null,"linkName":"ex_210241.htm","type":"EX-31.1","id":"NTFILE7ZTk5iSjQv9ViEjQ","market":"us","size":13398},{"description":"EXHIBIT 31.2","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1047335/000143774920022765/ex_210242.htm","primary":false,"translateUrl":null,"linkName":"ex_210242.htm","type":"EX-31.2","id":"NTFILEBpcxqtRbPsJBGGdR","market":"us","size":13823},{"description":"EXHIBIT 32","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1047335/000143774920022765/ex_210243.htm","primary":false,"translateUrl":null,"linkName":"ex_210243.htm","type":"EX-32","id":"NTFILEHQYngqLbAegA2a7i","market":"us","size":7660},{"description":"","seq":10,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1047335/000143774920022765/nhc20200930_10qimg001.jpg","primary":false,"translateUrl":null,"linkName":"nhc20200930_10qimg001.jpg","type":"GRAPHIC","id":"NTFILE6by4zRPjP77sXuAf","market":"us","size":7668}],"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":49690,"name":"Interim Condensed Consolidated Statements of Operations (Unaudited)","name_zh":null,"url":"https://www.sec.gov/Archives/edgar/data/1047335/000143774920022765/R2.htm","cdn_url":"","translation_url":"","translate_status":0},{"id":49691,"name":"Interim Condensed Consolidated Statements of Comprehensive Income (Unaudited)","name_zh":null,"url":"https://www.sec.gov/Archives/edgar/data/1047335/000143774920022765/R3.htm","cdn_url":"","translation_url":"","translate_status":0},{"id":49692,"name":"Interim Condensed Consolidated Balance Sheets (Current Period Unaudited)","name_zh":null,"url":"https://www.sec.gov/Archives/edgar/data/1047335/000143774920022765/R4.htm","cdn_url":"","translation_url":"","translate_status":0},{"id":49693,"name":"Interim Condensed Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals)","name_zh":null,"url":"https://www.sec.gov/Archives/edgar/data/1047335/000143774920022765/R5.htm","cdn_url":"","translation_url":"","translate_status":0},{"id":49694,"name":"Interim Condensed Consolidated Statements of Cash Flows (Unaudited)","name_zh":null,"url":"https://www.sec.gov/Archives/edgar/data/1047335/000143774920022765/R6.htm","cdn_url":"","translation_url":"","translate_status":0},{"id":49695,"name":"Interim Condensed Consolidated Statements of Stockholders' Equity (Unaudited)","name_zh":null,"url":"https://www.sec.gov/Archives/edgar/data/1047335/000143774920022765/R7.htm","cdn_url":"","translation_url":"","translate_status":0},{"id":49696,"name":"Interim Condensed Consolidated Statements of Stockholders' Equity (Unaudited) (Parentheticals)","name_zh":"中期简明合并股东权益报表（未经审计）（括号内）","url":"https://www.sec.gov/Archives/edgar/data/1047335/000143774920022765/R8.htm","cdn_url":"https://static.tigerbbs.com/88a5e0ee5f7576651822f303a2b15d9f","translation_url":"https://static.tigerbbs.com/c789b0a5607f029ff7a16ab135cae5ee","translate_status":1}],"event_type":"important_notice","event_name":"Quarterly Report","pubTime":"2020-11-05 00:00","pubTimestamp":1604505600,"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":"10273617","market":"us","labels":[],"media":"sec.gov","original_id":"AN143774920018362-NHC","pdf_url":null,"pub_time":1597766400000,"showTitleType":true,"size":0,"source":"sec_us","summary":"8-K  - Current report","symbol":"NHC","title":"8-K  - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1047335/000143774920018362/0001437749-20-018362-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 7.01: Regulation FD Disclosure","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/1047335/000143774920018362/nhc-20200815.xsd","primary":true,"translateUrl":null,"linkName":"nhc-20200815.xsd","type":"EX-101.SCH","id":"NTFILE9TwDKkTDDuQ9X9Cb","market":"us","size":3692},{"description":"FORM 8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1047335/000143774920018362/nhc20200818_8k.htm","primary":false,"translateUrl":null,"linkName":"nhc20200818_8k.htm","type":"8-K","id":"NTFILEsgbLV5ZMJyuqHgHx","market":"us","size":23481},{"description":"XBRL TAXONOMY EXTENSION DEFINITION LINKBASE","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1047335/000143774920018362/nhc-20200815_def.xml","primary":false,"translateUrl":null,"linkName":"nhc-20200815_def.xml","type":"EX-101.DEF","id":"NTFILEBCkknHpHrwSc7ShH","market":"us","size":11583},{"description":"XBRL TAXONOMY EXTENSION LABEL LINKBASE","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1047335/000143774920018362/nhc-20200815_lab.xml","primary":false,"translateUrl":null,"linkName":"nhc-20200815_lab.xml","type":"EX-101.LAB","id":"NTFILE6mwbe3kBYLSsLVgb","market":"us","size":15466},{"description":"XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1047335/000143774920018362/nhc-20200815_pre.xml","primary":false,"translateUrl":null,"linkName":"nhc-20200815_pre.xml","type":"EX-101.PRE","id":"NTFILEHawZ1wg9w6DgecnR","market":"us","size":11737},{"description":"EXTRACTED XBRL INSTANCE DOCUMENT","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1047335/000143774920018362/nhc20200818_8k_htm.xml","primary":false,"translateUrl":null,"linkName":"nhc20200818_8k_htm.xml","type":"XML","id":"NTFILEDcSjfdV41TPSPjhV","market":"us","size":2564}],"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 7.01: Regulation FD Disclosure","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"10269320","market":"us","labels":[],"media":"sec.gov","original_id":"AN143774920018259-NHC","pdf_url":null,"pub_time":1597680000000,"showTitleType":true,"size":0,"source":"sec_us","summary":"8-K  - Current report","symbol":"NHC","title":"8-K  - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1047335/000143774920018259/0001437749-20-018259-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 1.02: Termination of a Material Definitive Agreement","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/1047335/000143774920018259/nhc-20200813.xsd","primary":true,"translateUrl":null,"linkName":"nhc-20200813.xsd","type":"EX-101.SCH","id":"NTFILEAN38rFk6NGehGuq4","market":"us","size":3692},{"description":"FORM 8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1047335/000143774920018259/nhc20200817_8k.htm","primary":false,"translateUrl":null,"linkName":"nhc20200817_8k.htm","type":"8-K","id":"NTFILE7rtCk7sTZ6h8Nwh3","market":"us","size":19851},{"description":"XBRL TAXONOMY EXTENSION DEFINITION LINKBASE","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1047335/000143774920018259/nhc-20200813_def.xml","primary":false,"translateUrl":null,"linkName":"nhc-20200813_def.xml","type":"EX-101.DEF","id":"NTFILECB9JFKq7ZmrE9AXd","market":"us","size":11583},{"description":"XBRL TAXONOMY EXTENSION LABEL LINKBASE","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1047335/000143774920018259/nhc-20200813_lab.xml","primary":false,"translateUrl":null,"linkName":"nhc-20200813_lab.xml","type":"EX-101.LAB","id":"NTFILEBhCWiPhC1Arct2aL","market":"us","size":15466},{"description":"XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1047335/000143774920018259/nhc-20200813_pre.xml","primary":false,"translateUrl":null,"linkName":"nhc-20200813_pre.xml","type":"EX-101.PRE","id":"NTFILEAHvjDaF2pEe2Hfbq","market":"us","size":11737},{"description":"EXTRACTED XBRL INSTANCE DOCUMENT","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1047335/000143774920018259/nhc20200817_8k_htm.xml","primary":false,"translateUrl":null,"linkName":"nhc20200817_8k_htm.xml","type":"XML","id":"NTFILE7RiQ8nKs88LRdt8c","market":"us","size":2560}],"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 1.02: Termination of a Material Definitive Agreement","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"10238040","market":"us","labels":[],"media":"sec.gov","original_id":"AN143774920017048-NHC","pdf_url":null,"pub_time":1596729600000,"showTitleType":true,"size":0,"source":"sec_us","summary":"8-K  - Current report","symbol":"NHC","title":"8-K  - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1047335/000143774920017048/0001437749-20-017048-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 2.02: Results of Operations and Financial Condition;\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":"EXHIBIT 99.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1047335/000143774920017048/ex_197951.htm","primary":true,"translateUrl":null,"linkName":"ex_197951.htm","type":"EX-99.1","id":"NTFILE2gCJAkMGp8LB3Shp","market":"us","size":223492},{"description":"FORM 8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1047335/000143774920017048/nhc20200807_8k.htm","primary":false,"translateUrl":null,"linkName":"nhc20200807_8k.htm","type":"8-K","id":"NTFILE3LiFpWgpW9kS8HC5","market":"us","size":24991},{"description":"EXHIBIT 99.2","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1047335/000143774920017048/ex_197952.htm","primary":false,"translateUrl":null,"linkName":"ex_197952.htm","type":"EX-99.2","id":"NTFILEEXep9uAfZKLzQsW4","market":"us","size":5793},{"description":"XBRL TAXONOMY EXTENSION SCHEMA","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1047335/000143774920017048/nhc-20200806.xsd","primary":false,"translateUrl":null,"linkName":"nhc-20200806.xsd","type":"EX-101.SCH","id":"NTFILE2okJqCxNyVKkDfwt","market":"us","size":3691},{"description":"XBRL TAXONOMY EXTENSION DEFINITION LINKBASE","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1047335/000143774920017048/nhc-20200806_def.xml","primary":false,"translateUrl":null,"linkName":"nhc-20200806_def.xml","type":"EX-101.DEF","id":"NTFILEDqkj28p1eZEpTDAg","market":"us","size":11582},{"description":"XBRL TAXONOMY EXTENSION LABEL LINKBASE","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1047335/000143774920017048/nhc-20200806_lab.xml","primary":false,"translateUrl":null,"linkName":"nhc-20200806_lab.xml","type":"EX-101.LAB","id":"NTFILEA9qHpsufjz3QEG1m","market":"us","size":15465},{"description":"XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1047335/000143774920017048/nhc-20200806_pre.xml","primary":false,"translateUrl":null,"linkName":"nhc-20200806_pre.xml","type":"EX-101.PRE","id":"NTFILED2kVTsfNjXKzQZS8","market":"us","size":11736},{"description":"","seq":8,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1047335/000143774920017048/image01.jpg","primary":false,"translateUrl":null,"linkName":"image01.jpg","type":"GRAPHIC","id":"NTFILEEx6cHKJCpnkcaeKn","market":"us","size":7926},{"description":"EXTRACTED XBRL INSTANCE DOCUMENT","seq":9,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1047335/000143774920017048/nhc20200807_8k_htm.xml","primary":false,"translateUrl":null,"linkName":"nhc20200807_8k_htm.xml","type":"XML","id":"NTFILE8weABmgHxmkUSK2e","market":"us","size":2564}],"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":"2020-08-07 00:00","pubTimestamp":1596729600,"title_zh":"8-K  - Current report","summary_en":"Item 2.02: Results of Operations and Financial Condition;\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":"10237939","market":"us","labels":[],"media":"sec.gov","original_id":"AN143774920017008-NHC","pdf_url":null,"pub_time":1596729600000,"showTitleType":true,"size":0,"source":"sec_us","summary":"10-Q  - Quarterly report [Sections 13 or 15(d)]","symbol":"NHC","title":"10-Q  - Quarterly report [Sections 13 or 15(d)]","titleType":"Quarterly Report","type":"usFinancials","url":"https://www.sec.gov/Archives/edgar/data/1047335/000143774920017008/0001437749-20-017008-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":"FORM 10-Q","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1047335/000143774920017008/nhc20200630_10q.htm","primary":true,"translateUrl":null,"linkName":"nhc20200630_10q.htm","type":"10-Q","id":"NTFILE5uQknS8e37udgek2","market":"us","size":1877573},{"description":"EXHIBIT 31.1","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1047335/000143774920017008/ex_196230.htm","primary":false,"translateUrl":null,"linkName":"ex_196230.htm","type":"EX-31.1","id":"NTFILE32q2zPZwPQht1N1f","market":"us","size":13371},{"description":"EXHIBIT 31.2","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1047335/000143774920017008/ex_196231.htm","primary":false,"translateUrl":null,"linkName":"ex_196231.htm","type":"EX-31.2","id":"NTFILEA9jLuJQWKiAquYA6","market":"us","size":13698},{"description":"EXHIBIT 32","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1047335/000143774920017008/ex_196273.htm","primary":false,"translateUrl":null,"linkName":"ex_196273.htm","type":"EX-32","id":"NTFILE8WaS9M2Ua3mrqCdK","market":"us","size":7193},{"description":"XBRL TAXONOMY EXTENSION SCHEMA","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1047335/000143774920017008/nhc-20200630.xsd","primary":false,"translateUrl":null,"linkName":"nhc-20200630.xsd","type":"EX-101.SCH","id":"NTFILEGJMbGXeHTFW2GUj6","market":"us","size":68468},{"description":"XBRL TAXONOMY EXTENSION CALCULATION LINKBASE","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1047335/000143774920017008/nhc-20200630_cal.xml","primary":false,"translateUrl":null,"linkName":"nhc-20200630_cal.xml","type":"EX-101.CAL","id":"NTFILE3CVYj1vLgK9jkxCW","market":"us","size":74736},{"description":"XBRL TAXONOMY EXTENSION DEFINITION LINKBASE","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1047335/000143774920017008/nhc-20200630_def.xml","primary":false,"translateUrl":null,"linkName":"nhc-20200630_def.xml","type":"EX-101.DEF","id":"NTFILE3vKSAUvoaTnLKFEV","market":"us","size":449145},{"description":"XBRL TAXONOMY EXTENSION LABEL LINKBASE","seq":8,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1047335/000143774920017008/nhc-20200630_lab.xml","primary":false,"translateUrl":null,"linkName":"nhc-20200630_lab.xml","type":"EX-101.LAB","id":"NTFILE8TgrdxoAuVMNfEej","market":"us","size":416637},{"description":"XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE","seq":9,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1047335/000143774920017008/nhc-20200630_pre.xml","primary":false,"translateUrl":null,"linkName":"nhc-20200630_pre.xml","type":"EX-101.PRE","id":"NTFILEChTCCmABuXEkLNuk","market":"us","size":490579},{"description":"","seq":10,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1047335/000143774920017008/nhc20200630_10qimg001.jpg","primary":false,"translateUrl":null,"linkName":"nhc20200630_10qimg001.jpg","type":"GRAPHIC","id":"NTFILE84FCq3CsQJQFirPN","market":"us","size":8026},{"description":"EXTRACTED XBRL INSTANCE DOCUMENT","seq":11,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1047335/000143774920017008/nhc20200630_10q_htm.xml","primary":false,"translateUrl":null,"linkName":"nhc20200630_10q_htm.xml","type":"XML","id":"NTFILEHgdu9tx4CwGdf1se","market":"us","size":1622487}],"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":25006,"name":"Interim Condensed Consolidated Statements of Operations (Unaudited)","name_zh":null,"url":"https://www.sec.gov/Archives/edgar/data/1047335/000143774920017008/R2.htm","cdn_url":"","translation_url":"","translate_status":0},{"id":25007,"name":"Interim Condensed Consolidated Statements of Comprehensive Income (Unaudited)","name_zh":null,"url":"https://www.sec.gov/Archives/edgar/data/1047335/000143774920017008/R3.htm","cdn_url":"","translation_url":"","translate_status":0},{"id":25008,"name":"Interim Condensed Consolidated Balance Sheets (Current Period Unaudited)","name_zh":null,"url":"https://www.sec.gov/Archives/edgar/data/1047335/000143774920017008/R4.htm","cdn_url":"","translation_url":"","translate_status":0},{"id":25009,"name":"Interim Condensed Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals)","name_zh":null,"url":"https://www.sec.gov/Archives/edgar/data/1047335/000143774920017008/R5.htm","cdn_url":"","translation_url":"","translate_status":0},{"id":25010,"name":"Interim Condensed Consolidated Statements of Cash Flows (Unaudited)","name_zh":null,"url":"https://www.sec.gov/Archives/edgar/data/1047335/000143774920017008/R6.htm","cdn_url":"","translation_url":"","translate_status":0},{"id":25011,"name":"Interim Condensed Consolidated Statements of Stockholders' Equity (Unaudited)","name_zh":null,"url":"https://www.sec.gov/Archives/edgar/data/1047335/000143774920017008/R7.htm","cdn_url":"","translation_url":"","translate_status":0},{"id":25012,"name":"Interim Condensed Consolidated Statements of Stockholders' Equity (Unaudited) (Parentheticals)","name_zh":"中期简明合并股东权益报表（未经审计）（括号内）","url":"https://www.sec.gov/Archives/edgar/data/1047335/000143774920017008/R8.htm","cdn_url":"https://static.tigerbbs.com/798c383e58229ef2a9108cd82939747d","translation_url":"https://static.tigerbbs.com/d39889132286594b7ab4b2fc440ce15e","translate_status":1}],"event_type":"important_notice","event_name":"Quarterly Report","pubTime":"2020-08-07 00:00","pubTimestamp":1596729600,"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":"10129680","market":"us","labels":[],"media":"sec.gov","original_id":"AN143774920014553-NHC","pdf_url":null,"pub_time":1593619200000,"showTitleType":true,"size":0,"source":"sec_us","summary":"8-K  - Current report","symbol":"NHC","title":"8-K  - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1047335/000143774920014553/0001437749-20-014553-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 7.01: Regulation FD Disclosure","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/1047335/000143774920014553/nhc-20200702.xsd","primary":true,"translateUrl":null,"linkName":"nhc-20200702.xsd","type":"EX-101.SCH","id":"NTFILE4bi7TpMXaokKmE3S","market":"us","size":3691},{"description":"FORM 8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1047335/000143774920014553/nhc20200702_8k.htm","primary":false,"translateUrl":null,"linkName":"nhc20200702_8k.htm","type":"8-K","id":"NTFILE8P84mXTmQPUNRyXA","market":"us","size":20161},{"description":"XBRL TAXONOMY EXTENSION DEFINITION LINKBASE","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1047335/000143774920014553/nhc-20200702_def.xml","primary":false,"translateUrl":null,"linkName":"nhc-20200702_def.xml","type":"EX-101.DEF","id":"NTFILE2NvWhMeJjop7HyB1","market":"us","size":11205},{"description":"XBRL TAXONOMY EXTENSION LABEL LINKBASE","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1047335/000143774920014553/nhc-20200702_lab.xml","primary":false,"translateUrl":null,"linkName":"nhc-20200702_lab.xml","type":"EX-101.LAB","id":"NTFILEFF9ok5DdZhvLvBpx","market":"us","size":14939},{"description":"XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1047335/000143774920014553/nhc-20200702_pre.xml","primary":false,"translateUrl":null,"linkName":"nhc-20200702_pre.xml","type":"EX-101.PRE","id":"NTFILEGMgSrpCof6T9zNNN","market":"us","size":11304},{"description":"EXTRACTED XBRL INSTANCE DOCUMENT","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1047335/000143774920014553/nhc20200702_8k_htm.xml","primary":false,"translateUrl":null,"linkName":"nhc20200702_8k_htm.xml","type":"XML","id":"NTFILEEUtTFwdTJAVwD5tp","market":"us","size":2473}],"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":"2020-07-02 00:00","pubTimestamp":1593619200,"title_zh":"8-K  - Current report","summary_en":"Item 7.01: Regulation FD Disclosure","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"9785252","market":"us","labels":[],"media":"sec.gov","original_id":"AN143774920012310-NHC","pdf_url":null,"pub_time":1591113600000,"showTitleType":true,"size":0,"source":"sec_us","summary":"S-8  - Securities to be offered to employees in employee benefit plans","symbol":"NHC","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/1047335/000143774920012310/0001437749-20-012310-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":"FORM S-8","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1047335/000143774920012310/nhc20200528_s8.htm","primary":true,"translateUrl":null,"linkName":"nhc20200528_s8.htm","type":"S-8","id":"NTFILE7m5ULDJASe8GVVGA","market":"us","size":73213},{"description":"EXHIBIT 5.1","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1047335/000143774920012310/ex_188829.htm","primary":false,"translateUrl":null,"linkName":"ex_188829.htm","type":"EX-5.1","id":"NTFILEEcNBPTZ7H3DrCAVN","market":"us","size":8386},{"description":"EXHIBIT 23.1","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1047335/000143774920012310/ex_188830.htm","primary":false,"translateUrl":null,"linkName":"ex_188830.htm","type":"EX-23.1","id":"NTFILEBBFGpzX4kyRBg8zn","market":"us","size":3242},{"description":"EXHIBIT 99.1","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1047335/000143774920012310/ex_188935.htm","primary":false,"translateUrl":null,"linkName":"ex_188935.htm","type":"EX-99.1","id":"NTFILE6qyAfuZPoMF3GKJf","market":"us","size":179568},{"description":"","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1047335/000143774920012310/ex_188829img001.jpg","primary":false,"translateUrl":null,"linkName":"ex_188829img001.jpg","type":"GRAPHIC","id":"NTFILEHrmDzT3hZVFKF5TU","market":"us","size":2713}],"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":"2020-06-03 00:00","pubTimestamp":1591113600,"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":"9785251","market":"us","labels":[],"media":"sec.gov","original_id":"AN143774920010340-NHC","pdf_url":null,"pub_time":1589212800000,"showTitleType":true,"size":0,"source":"sec_us","summary":"8-K  - Current report","symbol":"NHC","title":"8-K  - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1047335/000143774920010340/0001437749-20-010340-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/1047335/000143774920010340/nhc-20200507.xsd","primary":true,"translateUrl":null,"linkName":"nhc-20200507.xsd","type":"EX-101.SCH","id":"NTFILE4r2uJFBmuKGd7ZdK","market":"us","size":3691},{"description":"FORM 8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1047335/000143774920010340/nhc20200511_8k.htm","primary":false,"translateUrl":null,"linkName":"nhc20200511_8k.htm","type":"8-K","id":"NTFILEGKZLNumntuJbSYsw","market":"us","size":40448},{"description":"XBRL TAXONOMY EXTENSION DEFINITION LINKBASE","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1047335/000143774920010340/nhc-20200507_def.xml","primary":false,"translateUrl":null,"linkName":"nhc-20200507_def.xml","type":"EX-101.DEF","id":"NTFILECm9H2rv9dg4EPsdP","market":"us","size":11583},{"description":"XBRL TAXONOMY EXTENSION LABEL LINKBASE","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1047335/000143774920010340/nhc-20200507_lab.xml","primary":false,"translateUrl":null,"linkName":"nhc-20200507_lab.xml","type":"EX-101.LAB","id":"NTFILE2cjYCVy676hYcsuU","market":"us","size":15466},{"description":"XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1047335/000143774920010340/nhc-20200507_pre.xml","primary":false,"translateUrl":null,"linkName":"nhc-20200507_pre.xml","type":"EX-101.PRE","id":"NTFILEHLTGVuanzt2PxanP","market":"us","size":11737},{"description":"EXTRACTED XBRL INSTANCE DOCUMENT","seq":12,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1047335/000143774920010340/nhc20200511_8k_htm.xml","primary":false,"translateUrl":null,"linkName":"nhc20200511_8k_htm.xml","type":"XML","id":"NTFILE5vjk52gkTG85cYD8","market":"us","size":2564}],"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":"2020-05-12 00:00","pubTimestamp":1589212800,"title_zh":"8-K  - Current report","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"9702137","market":"us","labels":[],"media":"sec.gov","original_id":"AN143774920010157-NHC","pdf_url":null,"pub_time":1589126400000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Current report, items 8.01 and 9.01","symbol":"NHC","title":"Current report, items 8.01 and 9.01","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1047335/000143774920010157/0001437749-20-010157-index.htm","us_notice_code":"Form 8-K","us_title_en":null,"is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"EXHIBIT 99.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1047335/000143774920010157/ex_185829.htm","primary":true,"translateUrl":null,"linkName":"ex_185829.htm","type":"EX-99.1","id":"NTFILE3AQR34H3D3B26EkS","market":"us","size":5679},{"description":"FORM 8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1047335/000143774920010157/nhc20200509_8k.htm","primary":false,"translateUrl":null,"linkName":"nhc20200509_8k.htm","type":"8-K","id":"NTFILE3YwLGkR7KqotyWKE","market":"us","size":21297},{"description":"XBRL TAXONOMY EXTENSION SCHEMA","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1047335/000143774920010157/nhc-20200511.xsd","primary":false,"translateUrl":null,"linkName":"nhc-20200511.xsd","type":"EX-101.SCH","id":"NTFILEG98acoChRZk3iwj1","market":"us","size":3691},{"description":"XBRL TAXONOMY EXTENSION DEFINITION LINKBASE","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1047335/000143774920010157/nhc-20200511_def.xml","primary":false,"translateUrl":null,"linkName":"nhc-20200511_def.xml","type":"EX-101.DEF","id":"NTFILE4YD4R4TM1ph8JKzs","market":"us","size":11583},{"description":"XBRL TAXONOMY EXTENSION LABEL LINKBASE","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1047335/000143774920010157/nhc-20200511_lab.xml","primary":false,"translateUrl":null,"linkName":"nhc-20200511_lab.xml","type":"EX-101.LAB","id":"NTFILED8uPSzapSL5K2vci","market":"us","size":15466},{"description":"XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1047335/000143774920010157/nhc-20200511_pre.xml","primary":false,"translateUrl":null,"linkName":"nhc-20200511_pre.xml","type":"EX-101.PRE","id":"NTFILEESB4nHDkYcErtbG1","market":"us","size":11737},{"description":"","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1047335/000143774920010157/image01.jpg","primary":false,"translateUrl":null,"linkName":"image01.jpg","type":"GRAPHIC","id":"NTFILEHvwVoWTgkHvbP5kC","market":"us","size":7926},{"description":"EXTRACTED XBRL INSTANCE DOCUMENT","seq":12,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1047335/000143774920010157/nhc20200509_8k_htm.xml","primary":false,"translateUrl":null,"linkName":"nhc20200509_8k_htm.xml","type":"XML","id":"NTFILEGNmcKQSMxuMjkfo5","market":"us","size":2564}],"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":"2020-05-11 00:00","pubTimestamp":1589126400,"title_zh":"Current report, items 8.01 and 9.01","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":"9697067","market":"us","labels":[],"media":"sec.gov","original_id":"AN143774920010126-NHC","pdf_url":null,"pub_time":1588867200000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Current report, items 2.02 and 9.01","symbol":"NHC","title":"Current report, items 2.02 and 9.01","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1047335/000143774920010126/0001437749-20-010126-index.htm","us_notice_code":"Form 8-K","us_title_en":null,"is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"EXHIBIT 99.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1047335/000143774920010126/ex_185586.htm","primary":true,"translateUrl":null,"linkName":"ex_185586.htm","type":"EX-99.1","id":"NTFILE9tKchNK15KxDcPBS","market":"us","size":125064},{"description":"FORM 8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1047335/000143774920010126/nhc20200508_8k.htm","primary":false,"translateUrl":null,"linkName":"nhc20200508_8k.htm","type":"8-K","id":"NTFILEGtjvCM1ntgQQ7AKN","market":"us","size":21530},{"description":"XBRL TAXONOMY EXTENSION SCHEMA","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1047335/000143774920010126/nhc-20200508.xsd","primary":false,"translateUrl":null,"linkName":"nhc-20200508.xsd","type":"EX-101.SCH","id":"NTFILE8yLS5xiu1RwN8Z8T","market":"us","size":3690},{"description":"XBRL TAXONOMY EXTENSION DEFINITION LINKBASE","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1047335/000143774920010126/nhc-20200508_def.xml","primary":false,"translateUrl":null,"linkName":"nhc-20200508_def.xml","type":"EX-101.DEF","id":"NTFILEGkkbknzkGgSvo7mt","market":"us","size":11582},{"description":"XBRL TAXONOMY EXTENSION LABEL LINKBASE","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1047335/000143774920010126/nhc-20200508_lab.xml","primary":false,"translateUrl":null,"linkName":"nhc-20200508_lab.xml","type":"EX-101.LAB","id":"NTFILE2QtvNAAXnSodGpSu","market":"us","size":15465},{"description":"XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1047335/000143774920010126/nhc-20200508_pre.xml","primary":false,"translateUrl":null,"linkName":"nhc-20200508_pre.xml","type":"EX-101.PRE","id":"NTFILEAybZ9iaJ9FQheNeE","market":"us","size":11736},{"description":"","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1047335/000143774920010126/ex_185586img001.jpg","primary":false,"translateUrl":null,"linkName":"ex_185586img001.jpg","type":"GRAPHIC","id":"NTFILEFZf4d6oKayNdCKvN","market":"us","size":7052},{"description":"EXTRACTED XBRL INSTANCE DOCUMENT","seq":14,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1047335/000143774920010126/nhc20200508_8k_htm.xml","primary":false,"translateUrl":null,"linkName":"nhc20200508_8k_htm.xml","type":"XML","id":"NTFILE77wjJDatw6FJELTi","market":"us","size":2560}],"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":"2020-05-08 00:00","pubTimestamp":1588867200,"title_zh":"Current report, items 2.02 and 9.01","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":"9693616","market":"us","labels":[],"media":"sec.gov","original_id":"AN143774920009844-NHC","pdf_url":null,"pub_time":1588780800000,"showTitleType":true,"size":0,"source":"sec_us","summary":"10-Q  - Quarterly report [Sections 13 or 15(d)]","symbol":"NHC","title":"10-Q  - Quarterly report [Sections 13 or 15(d)]","titleType":"Quarterly Report","type":"usFinancials","url":"https://www.sec.gov/Archives/edgar/data/1047335/000143774920009844/0001437749-20-009844-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":"FORM 10-Q","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1047335/000143774920009844/nhc20200331_10q.htm","primary":true,"translateUrl":null,"linkName":"nhc20200331_10q.htm","type":"10-Q","id":"NTFILEHKapMPpHX3kBP95X","market":"us","size":1367726},{"description":"EXHIBIT 31.1","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1047335/000143774920009844/ex_183943.htm","primary":false,"translateUrl":null,"linkName":"ex_183943.htm","type":"EX-31.1","id":"NTFILE57i64urkb4vxzKPw","market":"us","size":13391},{"description":"EXHIBIT 31.2","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1047335/000143774920009844/ex_183944.htm","primary":false,"translateUrl":null,"linkName":"ex_183944.htm","type":"EX-31.2","id":"NTFILE2z7fVXkTvZVWvedP","market":"us","size":13816},{"description":"EXHIBIT 32","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1047335/000143774920009844/ex_183945.htm","primary":false,"translateUrl":null,"linkName":"ex_183945.htm","type":"EX-32","id":"NTFILEEjKcNVsp2WoBDAfH","market":"us","size":7480},{"description":"XBRL TAXONOMY EXTENSION SCHEMA","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1047335/000143774920009844/nhc-20200331.xsd","primary":false,"translateUrl":null,"linkName":"nhc-20200331.xsd","type":"EX-101.SCH","id":"NTFILEEt3a2my1xkaqLHRB","market":"us","size":65575},{"description":"XBRL TAXONOMY EXTENSION CALCULATION LINKBASE","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1047335/000143774920009844/nhc-20200331_cal.xml","primary":false,"translateUrl":null,"linkName":"nhc-20200331_cal.xml","type":"EX-101.CAL","id":"NTFILESEsZCR4kcK5c8gM8","market":"us","size":72360},{"description":"XBRL TAXONOMY EXTENSION DEFINITION LINKBASE","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1047335/000143774920009844/nhc-20200331_def.xml","primary":false,"translateUrl":null,"linkName":"nhc-20200331_def.xml","type":"EX-101.DEF","id":"NTFILE8BNiNVVrj5R6FHES","market":"us","size":431905},{"description":"XBRL TAXONOMY EXTENSION LABEL LINKBASE","seq":8,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1047335/000143774920009844/nhc-20200331_lab.xml","primary":false,"translateUrl":null,"linkName":"nhc-20200331_lab.xml","type":"EX-101.LAB","id":"NTFILECGiwGYocieL3YXes","market":"us","size":400865},{"description":"XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE","seq":9,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1047335/000143774920009844/nhc-20200331_pre.xml","primary":false,"translateUrl":null,"linkName":"nhc-20200331_pre.xml","type":"EX-101.PRE","id":"NTFILE4MxgdnuZzj2XSqHN","market":"us","size":473464},{"description":"","seq":10,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1047335/000143774920009844/nhc20200331_10qimg001.jpg","primary":false,"translateUrl":null,"linkName":"nhc20200331_10qimg001.jpg","type":"GRAPHIC","id":"NTFILE9nZjNpV1CncyQXSN","market":"us","size":8064},{"description":"EXTRACTED XBRL INSTANCE DOCUMENT","seq":21,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1047335/000143774920009844/nhc20200331_10q_htm.xml","primary":false,"translateUrl":null,"linkName":"nhc20200331_10q_htm.xml","type":"XML","id":"NTFILEAF56d64k3XY6nPGp","market":"us","size":1175673}],"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":3944,"name":"Interim Condensed Consolidated Statements of Operations (Unaudited)","name_zh":"中期简明综合经营报表（未经审核）","url":"https://www.sec.gov/Archives/edgar/data/1047335/000143774920009844/R2.htm","cdn_url":"https://static.tigerbbs.com/48d16136b298cc1ca2946151f6c21b64","translation_url":"https://static.tigerbbs.com/fa6b41f632c4d432d0f200e830f27a92","translate_status":1},{"id":3945,"name":"Interim Condensed Consolidated Statements of Comprehensive Income (Unaudited)","name_zh":"中期简明综合全面收益表（未经审核）","url":"https://www.sec.gov/Archives/edgar/data/1047335/000143774920009844/R3.htm","cdn_url":"https://static.tigerbbs.com/3346a4c5865ac7b1e130969a75b31d95","translation_url":"https://static.tigerbbs.com/9e0929187c5039162b358fd92dceef3b","translate_status":1},{"id":3946,"name":"Interim Condensed Consolidated Balance Sheets (Current Period Unaudited)","name_zh":"中期简明综合资产负债表（本期未经审计）","url":"https://www.sec.gov/Archives/edgar/data/1047335/000143774920009844/R4.htm","cdn_url":"https://static.tigerbbs.com/0763eae15007f079b5ec2bb87ae0fa73","translation_url":"https://static.tigerbbs.com/7d6d43e675db58acab72841a36a88ec2","translate_status":1},{"id":3947,"name":"Interim Condensed Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals)","name_zh":"中期简明综合资产负债表（本期未经审计）（括号内）","url":"https://www.sec.gov/Archives/edgar/data/1047335/000143774920009844/R5.htm","cdn_url":"https://static.tigerbbs.com/1ff69d0ed86ededb78243ea46662793e","translation_url":"https://static.tigerbbs.com/4b432a888cf9b91deb1837e5b81f85df","translate_status":1},{"id":3948,"name":"Interim Condensed Consolidated Statements of Cash Flows (Unaudited)","name_zh":"中期简明综合现金流量表（未经审核）","url":"https://www.sec.gov/Archives/edgar/data/1047335/000143774920009844/R6.htm","cdn_url":"https://static.tigerbbs.com/3abd47c0ef2f8feaff42893e913d41cd","translation_url":"https://static.tigerbbs.com/235a54851e24e924a5f777184dbe3f0c","translate_status":1},{"id":3949,"name":"Interim Condensed Consolidated Statements of Stockholders' Equity (Unaudited)","name_zh":"中期简明合并股东权益报表（未经审计）","url":"https://www.sec.gov/Archives/edgar/data/1047335/000143774920009844/R7.htm","cdn_url":"https://static.tigerbbs.com/6362e559942340eaa3792eea79224c14","translation_url":"https://static.tigerbbs.com/4b29c78fd1535ac739b17a3d8644737d","translate_status":1},{"id":3950,"name":"Interim Condensed Consolidated Statements of Stockholders' Equity (Unaudited) (Parentheticals)","name_zh":"中期简明合并股东权益报表（未经审计）（括号内）","url":"https://www.sec.gov/Archives/edgar/data/1047335/000143774920009844/R8.htm","cdn_url":"https://static.tigerbbs.com/f15093398821e313d5422805109d0093","translation_url":"https://static.tigerbbs.com/e56576dd68f82f05e333e01ad4d82c5d","translate_status":1}],"event_type":"important_notice","event_name":"Quarterly Report","pubTime":"2020-05-07 00:00","pubTimestamp":1588780800,"title_zh":"10-Q  - Quarterly report [Sections 13 or 15(d","summary_en":"10-Q  - Quarterly report [Sections 13 or 15(d)]","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"9120907","market":"us","labels":[],"media":"sec.gov","original_id":"AN143774920003248-NHC","pdf_url":null,"pub_time":1582214400000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Annual report [Section 13 and 15(d), not S-K Item 405]","symbol":"NHC","title":"Annual report [Section 13 and 15(d), not S-K Item 405]","titleType":"Annual Report","type":"usFinancials","url":"https://www.sec.gov/Archives/edgar/data/1047335/000143774920003248/0001437749-20-003248-index.htm","us_notice_code":"Form 10-K","us_title_en":"Annual report [Section 13 and 15(d), not S-K Item 405]","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"FORM 10-K","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1047335/000143774920003248/nhc20191231_10k.htm","primary":true,"translateUrl":null,"linkName":"nhc20191231_10k.htm","type":"10-K","id":"NTFILEB96oNvj3CarrgHVz","market":"us","size":3146264},{"description":"EXHIBIT 4.2","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1047335/000143774920003248/ex_172061.htm","primary":false,"translateUrl":null,"linkName":"ex_172061.htm","type":"EX-4.2","id":"NTFILEAMTK4kaNZphWUvuq","market":"us","size":18943},{"description":"EXHIBIT 21","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1047335/000143774920003248/ex_172062.htm","primary":false,"translateUrl":null,"linkName":"ex_172062.htm","type":"EX-21","id":"NTFILEFbxGE4ALVc39Ryj5","market":"us","size":70233},{"description":"EXHIBIT 23","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1047335/000143774920003248/ex_172063.htm","primary":false,"translateUrl":null,"linkName":"ex_172063.htm","type":"EX-23","id":"NTFILE3UqyHa7juEo7KJ62","market":"us","size":3712},{"description":"EXHIBIT 31.1","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1047335/000143774920003248/ex_172064.htm","primary":false,"translateUrl":null,"linkName":"ex_172064.htm","type":"EX-31.1","id":"NTFILEAfYzZrGDun6kX2zh","market":"us","size":14399},{"description":"EXHIBIT 31.2","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1047335/000143774920003248/ex_172065.htm","primary":false,"translateUrl":null,"linkName":"ex_172065.htm","type":"EX-31.2","id":"NTFILE7zByV7gLtjEW9sof","market":"us","size":14933},{"description":"EXHIBIT 32","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1047335/000143774920003248/ex_172066.htm","primary":false,"translateUrl":null,"linkName":"ex_172066.htm","type":"EX-32","id":"NTFILE13i9vUvhmMfJEgP2","market":"us","size":10224},{"description":"XBRL TAXONOMY EXTENSION SCHEMA","seq":8,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1047335/000143774920003248/nhc-20191231.xsd","primary":false,"translateUrl":null,"linkName":"nhc-20191231.xsd","type":"EX-101.SCH","id":"NTFILE4ciaBVgG35RHamkE","market":"us","size":95649},{"description":"XBRL TAXONOMY EXTENSION CALCULATION LINKBASE","seq":9,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1047335/000143774920003248/nhc-20191231_cal.xml","primary":false,"translateUrl":null,"linkName":"nhc-20191231_cal.xml","type":"EX-101.CAL","id":"NTFILE3NVixTnb9m891xiB","market":"us","size":106407},{"description":"XBRL TAXONOMY EXTENSION DEFINITION LINKBASE","seq":10,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1047335/000143774920003248/nhc-20191231_def.xml","primary":false,"translateUrl":null,"linkName":"nhc-20191231_def.xml","type":"EX-101.DEF","id":"NTFILEG7LdT85NNWsR3R1D","market":"us","size":625140},{"description":"XBRL TAXONOMY EXTENSION LABEL LINKBASE","seq":11,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1047335/000143774920003248/nhc-20191231_lab.xml","primary":false,"translateUrl":null,"linkName":"nhc-20191231_lab.xml","type":"EX-101.LAB","id":"NTFILEDbs2HN6uSUHNe9EK","market":"us","size":570477},{"description":"XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE","seq":12,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1047335/000143774920003248/nhc-20191231_pre.xml","primary":false,"translateUrl":null,"linkName":"nhc-20191231_pre.xml","type":"EX-101.PRE","id":"NTFILED7Tvtj71twwMEnRv","market":"us","size":683527},{"description":"","seq":13,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1047335/000143774920003248/graph1.jpg","primary":false,"translateUrl":null,"linkName":"graph1.jpg","type":"GRAPHIC","id":"NTFILEHYUZqk2WhZwonujg","market":"us","size":29349},{"description":"","seq":14,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1047335/000143774920003248/logo.jpg","primary":false,"translateUrl":null,"linkName":"logo.jpg","type":"GRAPHIC","id":"NTFILEDE3LQPxwmNWK11Tx","market":"us","size":21862},{"description":"EXTRACTED XBRL INSTANCE DOCUMENT","seq":86,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1047335/000143774920003248/nhc20191231_10k_htm.xml","primary":false,"translateUrl":null,"linkName":"nhc20191231_10k_htm.xml","type":"XML","id":"NTFILEGf9Ei9BMdUTcs6Fz","market":"us","size":2430661}],"type_name":"Financial Report","type_name_en":"Financial Report","titleTypeEn":"Annual Report","us_type":"财务报告","us_type_zh":"财务报告","earn_infos":[],"event_type":"important_notice","event_name":"Annual Report","pubTime":"2020-02-21 00:00","pubTimestamp":1582214400,"title_zh":"Annual report [Section 13 and 15(d), not S-K Item 405","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0}],"pageSize":20,"totalPage":10,"pageCount":6,"totalSize":186,"code":"91000000","status":"200"}]}}