US StockDetailed Quotes

Provided by Tiger Trade Technology Pte. Ltd.

Koppers

37.92

-0.8500-2.19%

Post-market: 37.920.00000.00%16:34 EDT

Volume:136.56K

Turnover:5.18M

Market Cap:743.76M

PE:13.84

High:38.67

Open:38.32

Low:37.54

Close:38.77

52wk High:39.50

52wk Low:22.99

Shares:19.61M

Float Shares:18.68M

Volume Ratio:0.32

T/O Rate:0.73%

Dividend:0.32

Dividend Rate:0.84%

EPS(TTM):2.74

EPS(LYR):2.74

ROE:10.53%

ROA:7.91%

PB:1.30

PE(LYR):13.84

Loading ...

Overview Company News Filings

Major Issues Report

8-K - Current report

Quarterly Report

10-Q - Quarterly report [Sections 13 or 15(d)]

Major Issues Report

8-K - Current report

Major Issues Report

8-K - Current report

Major Issues Report

8-K - Current report

Major Issues Report

8-K - Current report

Quarterly Report

Quarterly report [Sections 13 or 15(d)]

Major Issues Report

Current report, items 2.02, 5.02, 5.07, and 9.01

Employee Stock Ownership

Securities to be offered to employees in employee benefit plans

Major Issues Report

8-K - Current report

Major Issues Report

Current report, items 2.02 and 9.01

Major Issues Report

Current report, items 1.01, 8.01, and 9.01

Annual Report

Annual report [Section 13 and 15(d), not S-K Item 405]

Major Issues Report

Current report, items 2.02 and 9.01

Major Issues Report

Current report, items 5.02, 8.01, and 9.01

Beneficial Ownership Change

Statement of acquisition of beneficial ownership by individuals

Beneficial Ownership Change

[Amend] Statement of acquisition of beneficial ownership by individuals

Beneficial Ownership Change

[Amend] Statement of acquisition of beneficial ownership by individuals

Beneficial Ownership Change

[Amend] Statement of acquisition of beneficial ownership by individuals

Beneficial Ownership Change

[Amend] Statement of acquisition of beneficial ownership by individuals

{"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.be62fbe1.png","ogUrl":"https://www-web.itiger.com/stock/KOP/filings?page=8"},"companyName":"Tiger Brokers"},"pageData":{"isMobile":false,"isTiger":false,"isTTM":true,"region":"SGP","license":"TBSG","edition":"fundamental","symbol":"KOP","isAnalysisPage":false},"__swrFallback__":{"@#url:\"https://hq.skytigris.cn/stock_info/detail/global\",params:#delay:false,,method:\"POST\",data:#items:@#symbol:\"KOP\",,,,,undefined,":{"symbol":"KOP","market":"US","secType":"STK","nameCN":"Koppers","latestPrice":37.92,"timestamp":1774641600000,"preClose":38.77,"halted":0,"volume":136562,"hourTrading":{"tag":"盘后","latestPrice":37.92,"preClose":37.92,"latestTime":"16:34 EDT","volume":3772,"amount":143034.24,"timestamp":1774643651743,"change":0,"changeRate":0,"amplitude":0},"delay":0,"changeRate":-0.021924168171266478,"floatShares":18682206,"shares":19613926,"eps":2.74,"marketStatus":"Not Yet Opened","change":-0.85,"latestTime":"03-27 16:00:00 EDT","open":38.32,"high":38.67,"low":37.54,"amount":5182426.8441200005,"amplitude":0.029146,"askPrice":0,"askSize":0,"bidPrice":0,"bidSize":0,"shortable":3,"etf":0,"ttmEps":2.74,"tradingStatus":0,"nextMarketStatus":{"tag":"Pre-Mkt","tradingStatus":1,"beginTime":1774857600000},"marketStatusCode":0,"adr":0,"adrRate":0,"listingDate":1138770000000,"exchange":"NYSE","adjPreClose":38.77,"dividendRate":0.008439,"postHourTrading":{"tag":"盘后","latestPrice":37.92,"preClose":37.92,"latestTime":"16:34 EDT","volume":3772,"amount":143034.24,"timestamp":1774643651743,"change":0,"changeRate":0,"amplitude":0},"volumeRatio":0.3220981662920828,"impliedVol":0.3048,"impliedVolPercentile":0.1793},"@#url:\"https://hq.skytigris.cn/stock_info/fundamental/all\",params:#delay:false,,method:\"POST\",data:#items:@#symbol:\"KOP\",,,,,undefined,":{"symbol":"KOP","floatShares":18682206,"roa":"7.91%","roe":"10.53%","lyrEps":2.74,"volumeRatio":0.3220981662920828,"shares":19613926,"dividePrice":0.32,"high":38.67,"amplitude":0.029146,"preClose":38.77,"low":37.54,"week52Low":22.99,"pbRate":"1.30","psRate":"0.40","week52High":39.5,"institutionHeld":0.9166,"latestPrice":37.92,"eps":2.74,"divideRate":0.008439,"volume":136562,"delay":0,"ttmEps":2.74,"open":38.32,"prevYearClose":27.08,"prevWeekClose":35.1,"prevMonthClose":37.8,"prevQuarterClose":27.08,"fiveDayClose":35.1,"twentyDayClose":37.8,"sixtyDayClose":27.35,"dividendPayoutRate":0.11345715290620498,"dividendFrequency":"Q","dividendGrowthYears":3,"dividendGrowthRate":0.14285714285714277,"fiveYearAvgDividendRate":0.008060436081985312},"@#url:\"https://hq.skytigris.cn/fundamental/corporate_actions/details/KOP\",params:#limit:5,,,undefined,":[{"date":"2026-03-06","symbol":"KOP","amount":0.09,"announcedDate":"2026-02-11","type":"dividend","lastAmount":null,"market":"US","newRecordDate":"2026-03-06","defaultRemindTime":1772807400000,"name":"科佩斯控股","lastCurrency":null,"lastExecuteDate":null,"recordDate":"2026-03-23","payableDate":"2026-03-06","currency":"USD","dateTimestamp":1772773200000,"payDate":"2026-03-23"},{"date":"2026-02-26","symbol":"KOP","type":"earning","reportTimeType":"pre","market":"US","fiscalQuarterEnding":"2025/12","expectedEps":0.59,"defaultRemindTime":1772096400000,"name":null,"time":"Pre-Market","dateTimestamp":1772082000000,"actualEps":null},{"date":"2025-11-28","symbol":"KOP","amount":0.08,"announcedDate":"2025-11-06","type":"dividend","lastAmount":null,"market":"US","newRecordDate":"2025-11-28","defaultRemindTime":1764340200000,"name":"科佩斯控股","lastCurrency":null,"lastExecuteDate":null,"recordDate":"2025-12-16","payableDate":"2025-11-28","currency":"USD","dateTimestamp":1764306000000,"payDate":"2025-12-16"},{"market":"US","date":"2025-11-07","symbol":"KOP","fiscalQuarterEnding":"2025/09","expectedEps":1.25,"name":null,"time":"Pre-Market","type":"earning","dateTimestamp":1762491600000,"reportTimeType":"pre","actualEps":1.21},{"date":"2025-08-29","symbol":"KOP","amount":0.08,"announcedDate":"2025-08-07","type":"dividend","lastAmount":null,"market":"US","newRecordDate":"2025-08-29","defaultRemindTime":1756474200000,"name":"科佩斯控股","lastCurrency":null,"lastExecuteDate":null,"recordDate":"2025-09-15","payableDate":"2025-08-29","currency":"USD","dateTimestamp":1756440000000,"payDate":"2025-09-15"}],"@#url:\"https://hq.skytigris.cn/fundamental/dividend/history\",params:#symbol:\"KOP\",market:\"US\",,,undefined,":[{"executeDate":"2022-03-17","recordDate":"2022-03-18","paymentDate":"2022-04-04","value":0.05,"currency":"USD"},{"executeDate":"2022-05-26","recordDate":"2022-05-27","paymentDate":"2022-06-13","value":0.05,"currency":"USD"},{"executeDate":"2022-08-25","recordDate":"2022-08-26","paymentDate":"2022-09-12","value":0.05,"currency":"USD"},{"executeDate":"2022-11-23","recordDate":"2022-11-25","paymentDate":"2022-12-12","value":0.05,"currency":"USD"},{"executeDate":"2023-03-09","recordDate":"2023-03-10","paymentDate":"2023-03-27","value":0.06,"currency":"USD"}],"@#url:\"https://hq.skytigris.cn/fundamental/estimate/recommendation\",params:#symbol:\"KOP\",market:\"US\",delay:false,,,undefined,":{"strongBuy":0.6667,"buy":0.3333,"hold":0,"sell":0,"strongSell":0,"meanLabel":"STRONG BUY","meanPercent":0.6667,"analysts":3,"updateTime":1710302400000},"@#url:\"https://hq.skytigris.cn/value_analysis/stock/KOP\",params:#withQuantilePoint:true,period:\"5year\",factor:\"peRate\",delay:false,algorithm:1,,,undefined,":{"brief":{"id":"KOP","date":"2026-03-27","current":13.839416,"percent":0.837001,"low":4.056108,"twenty":7.063725,"median":9.581732,"eighty":12.63752,"high":42.772978,"avg":12.723617,"sd":9.47026,"marketCap":761417870},"quantilePoints":[{"date":"2021-04-01","current":5.988874,"twenty":-16.084135,"median":6.929352,"eighty":24.276961,"marketCap":730642578},{"date":"2021-04-09","current":5.952989,"twenty":-15.936674,"median":6.937067,"eighty":24.285776,"marketCap":726264599},{"date":"2021-04-16","current":6.013911,"twenty":-15.89845,"median":6.937067,"eighty":24.285776,"marketCap":733697131},{"date":"2021-04-23","current":5.954729,"twenty":-15.674348,"median":6.937067,"eighty":24.285776,"marketCap":726476957},{"date":"2021-04-30","current":5.785887,"twenty":-15.555894,"median":6.937067,"eighty":24.285776,"marketCap":705878224},{"date":"2021-05-07","current":5.436253,"twenty":-15.527081,"median":6.937067,"eighty":24.285776,"marketCap":811632543},{"date":"2021-05-14","current":5.002201,"twenty":-15.527081,"median":6.937067,"eighty":24.285776,"marketCap":746828672},{"date":"2021-05-21","current":4.824364,"twenty":-15.527081,"median":6.937067,"eighty":24.285776,"marketCap":720277596},{"date":"2021-05-28","current":4.932489,"twenty":-15.527081,"median":6.937067,"eighty":24.285776,"marketCap":736420650},{"date":"2021-06-04","current":4.871313,"twenty":-15.527081,"median":6.937067,"eighty":24.285776,"marketCap":727287080},{"date":"2021-06-11","current":4.736157,"twenty":-15.330125,"median":6.937067,"eighty":24.285776,"marketCap":707108262},{"date":"2021-06-18","current":4.403246,"twenty":-15.226796,"median":6.937067,"eighty":24.285776,"marketCap":657404647},{"date":"2021-06-25","current":4.532712,"twenty":-15.137251,"median":6.937067,"eighty":24.285776,"marketCap":676733831},{"date":"2021-07-02","current":4.57397,"twenty":-15.104488,"median":6.937067,"eighty":24.285776,"marketCap":682893681},{"date":"2021-07-09","current":4.460154,"twenty":-15.021596,"median":6.937067,"eighty":24.285776,"marketCap":665900992},{"date":"2021-07-16","current":4.168501,"twenty":-14.860334,"median":6.937067,"eighty":24.285776,"marketCap":622357227},{"date":"2021-07-23","current":4.285162,"twenty":-14.826172,"median":6.937067,"eighty":24.285776,"marketCap":639774733},{"date":"2021-07-30","current":4.369101,"twenty":-14.568407,"median":6.937067,"eighty":24.285776,"marketCap":652306841},{"date":"2021-08-06","current":4.464916,"twenty":-13.813744,"median":6.937067,"eighty":24.285776,"marketCap":656342604},{"date":"2021-08-13","current":4.503042,"twenty":-13.158461,"median":6.937067,"eighty":24.285776,"marketCap":661947133},{"date":"2021-08-20","current":4.362231,"twenty":-12.469016,"median":6.937067,"eighty":24.285776,"marketCap":641247948},{"date":"2021-08-27","current":4.813696,"twenty":-12.201933,"median":6.937067,"eighty":24.285776,"marketCap":707613376},{"date":"2021-09-03","current":4.835471,"twenty":-12.111871,"median":6.937067,"eighty":24.285776,"marketCap":710814281},{"date":"2021-09-10","current":4.610464,"twenty":-12.031125,"median":6.937067,"eighty":24.285776,"marketCap":677738264},{"date":"2021-09-17","current":4.28239,"twenty":-11.92864,"median":6.937067,"eighty":24.285776,"marketCap":629511297},{"date":"2021-09-24","current":4.53643,"twenty":-11.816838,"median":6.937067,"eighty":24.285776,"marketCap":666855187},{"date":"2021-10-01","current":4.678692,"twenty":-11.650987,"median":6.937067,"eighty":24.285776,"marketCap":687767766},{"date":"2021-10-08","current":4.819503,"twenty":-11.328903,"median":6.929352,"eighty":24.276961,"marketCap":708466951},{"date":"2021-10-15","current":4.855795,"twenty":-11.236629,"median":6.929352,"eighty":24.276961,"marketCap":713801792},{"date":"2021-10-22","current":5.002412,"twenty":-11.177097,"median":6.929352,"eighty":24.276961,"marketCap":735354552},{"date":"2021-10-29","current":5.093866,"twenty":-11.090776,"median":6.929352,"eighty":24.276961,"marketCap":748798352},{"date":"2021-11-05","current":8.747571,"twenty":-10.933017,"median":6.946447,"eighty":24.276961,"marketCap":713801792},{"date":"2021-11-12","current":9.034295,"twenty":-10.879438,"median":6.992612,"eighty":24.276961,"marketCap":737198499},{"date":"2021-11-19","current":8.436361,"twenty":-10.822883,"median":7.057832,"eighty":24.276961,"marketCap":688407037},{"date":"2021-11-26","current":8.230086,"twenty":-10.724655,"median":7.150172,"eighty":24.276961,"marketCap":671575048},{"date":"2021-12-03","current":8.078644,"twenty":-10.635358,"median":7.207604,"eighty":24.276961,"marketCap":659217386},{"date":"2021-12-10","current":8.300585,"twenty":-10.54606,"median":7.338125,"eighty":24.276961,"marketCap":677327753},{"date":"2021-12-17","current":7.752261,"twenty":-10.441879,"median":7.413472,"eighty":24.276961,"marketCap":632584492},{"date":"2021-12-23","current":8.112588,"twenty":-10.310909,"median":7.464939,"eighty":24.276961,"marketCap":661987207},{"date":"2021-12-31","current":8.172643,"twenty":2.937714,"median":7.546529,"eighty":24.276961,"marketCap":666887659},{"date":"2022-01-07","current":8.329307,"twenty":3.253419,"median":7.63139,"eighty":24.268145,"marketCap":679671448},{"date":"2022-01-14","current":8.21442,"twenty":3.424956,"median":7.660874,"eighty":24.268145,"marketCap":670296669},{"date":"2022-01-21","current":7.825371,"twenty":3.532209,"median":7.714709,"eighty":24.268145,"marketCap":638550260},{"date":"2022-01-28","current":7.851482,"twenty":3.682232,"median":7.753436,"eighty":24.25933,"marketCap":640680892},{"date":"2022-02-04","current":7.679151,"twenty":3.898482,"median":7.792235,"eighty":24.25933,"marketCap":626618724},{"date":"2022-02-11","current":7.559042,"twenty":4.032121,"median":7.792235,"eighty":24.25933,"marketCap":616817819},{"date":"2022-02-18","current":7.760094,"twenty":4.167904,"median":7.836386,"eighty":24.25933,"marketCap":633223681},{"date":"2022-02-25","current":7.257151,"twenty":4.212605,"median":7.836386,"eighty":24.25933,"marketCap":618309261},{"date":"2022-03-04","current":7.047089,"twenty":4.275508,"median":7.836386,"eighty":24.25933,"marketCap":600411956},{"date":"2022-03-11","current":7.032084,"twenty":4.312895,"median":7.836386,"eighty":24.25933,"marketCap":599133577},{"date":"2022-03-18","current":7.477216,"twenty":4.344615,"median":7.836386,"eighty":24.25933,"marketCap":637058818},{"date":"2022-03-25","current":7.072096,"twenty":4.360489,"median":7.836386,"eighty":24.25933,"marketCap":602542588},{"date":"2022-04-01","current":6.874538,"twenty":4.373682,"median":7.836386,"eighty":24.25933,"marketCap":585710599},{"date":"2022-04-08","current":6.156825,"twenty":4.400963,"median":7.836386,"eighty":24.25933,"marketCap":524561475},{"date":"2022-04-14","current":6.711989,"twenty":4.422719,"median":7.836386,"eighty":24.25933,"marketCap":571861494},{"date":"2022-04-22","current":6.333886,"twenty":4.439667,"median":7.836386,"eighty":24.25933,"marketCap":539647072},{"date":"2022-04-29","current":6.016448,"twenty":4.459016,"median":7.836386,"eighty":24.25933,"marketCap":512601330},{"date":"2022-05-06","current":6.539048,"twenty":4.495153,"median":7.836386,"eighty":24.25933,"marketCap":510699676},{"date":"2022-05-13","current":6.638009,"twenty":4.504015,"median":7.836386,"eighty":24.25933,"marketCap":518428493},{"date":"2022-05-20","current":6.610937,"twenty":4.535686,"median":7.836386,"eighty":24.25933,"marketCap":516314184},{"date":"2022-05-27","current":7.266075,"twenty":4.552468,"median":7.836386,"eighty":24.25933,"marketCap":567480455},{"date":"2022-06-03","current":7.585522,"twenty":4.581937,"median":7.836386,"eighty":24.25933,"marketCap":592429297},{"date":"2022-06-10","current":7.214639,"twenty":4.608856,"median":7.836386,"eighty":24.25933,"marketCap":563463268},{"date":"2022-06-17","current":5.955799,"twenty":4.63251,"median":7.836386,"eighty":24.25933,"marketCap":465147914},{"date":"2022-06-24","current":6.410606,"twenty":4.647337,"median":7.847402,"eighty":24.268145,"marketCap":500668300},{"date":"2022-07-01","current":6.172374,"twenty":4.677008,"median":7.847402,"eighty":24.268145,"marketCap":482062383},{"date":"2022-07-08","current":5.934142,"twenty":4.682978,"median":7.847402,"eighty":24.268145,"marketCap":463456467},{"date":"2022-07-15","current":5.825854,"twenty":4.72407,"median":7.847402,"eighty":24.268145,"marketCap":454999232},{"date":"2022-07-22","current":6.142595,"twenty":4.742754,"median":7.847402,"eighty":24.268145,"marketCap":479736644},{"date":"2022-07-29","current":6.372705,"twenty":4.766554,"median":7.847402,"eighty":24.268145,"marketCap":497708267},{"date":"2022-08-05","current":7.986641,"twenty":4.77828,"median":7.851482,"eighty":24.268145,"marketCap":502359747},{"date":"2022-08-12","current":8.81018,"twenty":4.803593,"median":7.888036,"eighty":24.268145,"marketCap":554160310},{"date":"2022-08-19","current":8.348863,"twenty":4.82242,"median":7.916758,"eighty":24.268145,"marketCap":525143469},{"date":"2022-08-26","current":8.122948,"twenty":4.834641,"median":7.952322,"eighty":24.268145,"marketCap":510933459},{"date":"2022-09-02","current":7.49504,"twenty":4.858407,"median":7.954251,"eighty":24.268145,"marketCap":471437989},{"date":"2022-09-09","current":7.677764,"twenty":4.875581,"median":7.954251,"eighty":24.268145,"marketCap":482931380},{"date":"2022-09-16","current":7.219291,"twenty":4.895568,"median":7.954251,"eighty":24.268145,"marketCap":454093418},{"date":"2022-09-23","current":7.019955,"twenty":4.951188,"median":7.954251,"eighty":24.268145,"marketCap":441555173},{"date":"2022-09-30","current":6.903676,"twenty":5.002787,"median":7.954251,"eighty":24.268145,"marketCap":434241197},{"date":"2022-10-07","current":7.199358,"twenty":5.051188,"median":7.954251,"eighty":24.268145,"marketCap":452839593},{"date":"2022-10-14","current":7.312315,"twenty":5.090963,"median":7.954251,"eighty":24.268145,"marketCap":459944598},{"date":"2022-10-21","current":7.737565,"twenty":5.163745,"median":7.954251,"eighty":24.268145,"marketCap":486692853},{"date":"2022-10-28","current":8.348863,"twenty":5.203331,"median":7.996702,"eighty":24.268145,"marketCap":525143469},{"date":"2022-11-04","current":8.065233,"twenty":5.413108,"median":8.021201,"eighty":24.268145,"marketCap":579083718},{"date":"2022-11-11","current":8.242779,"twenty":5.645532,"median":8.028626,"eighty":24.268145,"marketCap":591831501},{"date":"2022-11-18","current":8.458162,"twenty":5.725924,"median":8.060367,"eighty":24.268145,"marketCap":607296025},{"date":"2022-11-25","current":8.589138,"twenty":5.773736,"median":8.0756,"eighty":24.268145,"marketCap":616700127},{"date":"2022-12-02","current":8.865644,"twenty":5.823853,"median":8.099693,"eighty":24.268145,"marketCap":636553232},{"date":"2022-12-09","current":8.955872,"twenty":5.837766,"median":8.123445,"eighty":24.268145,"marketCap":643031613},{"date":"2022-12-16","current":8.752131,"twenty":5.861506,"median":8.15389,"eighty":24.268145,"marketCap":628403010},{"date":"2022-12-23","current":8.533837,"twenty":5.90059,"median":8.185698,"eighty":24.268145,"marketCap":612729506},{"date":"2022-12-30","current":8.207852,"twenty":5.916712,"median":8.21442,"eighty":24.268145,"marketCap":589323741},{"date":"2023-01-06","current":8.545479,"twenty":5.916712,"median":8.21442,"eighty":24.268145,"marketCap":613565426},{"date":"2023-01-13","current":9.331338,"twenty":5.916712,"median":8.21442,"eighty":24.268145,"marketCap":669990040},{"date":"2023-01-20","current":9.214914,"twenty":5.916712,"median":8.21442,"eighty":24.268145,"marketCap":661630838},{"date":"2023-01-27","current":9.424476,"twenty":5.916712,"median":8.21442,"eighty":24.268145,"marketCap":676677401},{"date":"2023-02-03","current":10.268546,"twenty":5.916712,"median":8.21442,"eighty":24.268145,"marketCap":737281616},{"date":"2023-02-10","current":9.732998,"twenty":5.916712,"median":8.21442,"eighty":24.268145,"marketCap":698829287},{"date":"2023-02-17","current":10.096822,"twenty":5.916712,"median":8.21442,"eighty":24.268145,"marketCap":724951793},{"date":"2023-02-24","current":9.997862,"twenty":5.916712,"median":8.21442,"eighty":24.268145,"marketCap":717846471},{"date":"2023-03-03","current":12.33723,"twenty":5.916712,"median":8.21442,"eighty":24.120051,"marketCap":782180393},{"date":"2023-03-10","current":11.036153,"twenty":5.916712,"median":8.21442,"eighty":23.769185,"marketCap":699692128},{"date":"2023-03-17","current":10.438184,"twenty":5.916712,"median":8.21442,"eighty":23.644809,"marketCap":661780854},{"date":"2023-03-24","current":10.783166,"twenty":5.916712,"median":8.21442,"eighty":23.53421,"marketCap":683652743},{"date":"2023-03-31","current":11.489559,"twenty":5.918314,"median":8.21442,"eighty":23.315158,"marketCap":728438038},{"date":"2023-04-06","current":10.98687,"twenty":5.918314,"median":8.21442,"eighty":23.215732,"marketCap":696567572},{"date":"2023-04-14","current":11.413991,"twenty":5.915111,"median":8.211136,"eighty":22.939677,"marketCap":723647053},{"date":"2023-04-21","current":11.19386,"twenty":5.915111,"median":8.211136,"eighty":22.703728,"marketCap":709690705},{"date":"2023-04-28","current":10.605747,"twenty":5.915111,"median":8.211136,"eighty":22.389349,"marketCap":672404343},{"date":"2023-05-05","current":10.287049,"twenty":5.915111,"median":8.211136,"eighty":21.971534,"marketCap":652198884},{"date":"2023-05-12","current":9.284835,"twenty":5.911907,"median":8.200692,"eighty":22.141434,"marketCap":650866937},{"date":"2023-05-19","current":9.513613,"twenty":5.911907,"median":8.200692,"eighty":22.141434,"marketCap":666904298},{"date":"2023-05-26","current":8.955038,"twenty":5.911907,"median":8.200692,"eighty":22.141434,"marketCap":627748143},{"date":"2023-06-02","current":8.672779,"twenty":5.911907,"median":8.200692,"eighty":22.141434,"marketCap":607961788},{"date":"2023-06-09","current":9.804786,"twenty":5.911907,"median":8.200692,"eighty":22.141434,"marketCap":687315486},{"date":"2023-06-16","current":10.191035,"twenty":5.911907,"median":8.200692,"eighty":22.141434,"marketCap":714391550},{"date":"2023-06-23","current":9.786959,"twenty":5.911736,"median":8.193531,"eighty":22.149568,"marketCap":686065821},{"date":"2023-06-30","current":10.006824,"twenty":5.911565,"median":8.189615,"eighty":22.157703,"marketCap":701478350},{"date":"2023-07-07","current":10.012766,"twenty":5.911565,"median":8.189615,"eighty":22.157703,"marketCap":701894905},{"date":"2023-07-14","current":10.630765,"twenty":5.911565,"median":8.189615,"eighty":22.157703,"marketCap":745216608},{"date":"2023-07-21","current":10.924908,"twenty":5.911565,"median":8.189615,"eighty":22.157703,"marketCap":765836073},{"date":"2023-07-28","current":10.835774,"twenty":5.911565,"median":8.189615,"eighty":22.157703,"marketCap":759587750},{"date":"2023-08-04","current":9.647591,"twenty":5.911565,"median":8.189615,"eighty":22.157703,"marketCap":799785292},{"date":"2023-08-11","current":9.723595,"twenty":5.911565,"median":8.189615,"eighty":21.706147,"marketCap":806086063},{"date":"2023-08-18","current":9.796611,"twenty":5.911565,"median":8.189615,"eighty":20.944753,"marketCap":812139014},{"date":"2023-08-25","current":9.298094,"twenty":5.911565,"median":8.189615,"eighty":20.160442,"marketCap":770811970},{"date":"2023-09-01","current":9.640509,"twenty":5.911565,"median":8.189615,"eighty":19.9432,"marketCap":799198222},{"date":"2023-09-08","current":9.429017,"twenty":5.911565,"median":8.189615,"eighty":19.870383,"marketCap":781665537},{"date":"2023-09-15","current":9.600225,"twenty":5.911565,"median":8.189615,"eighty":19.749629,"marketCap":795858663},{"date":"2023-09-22","current":10.423533,"twenty":5.911565,"median":8.189615,"eighty":19.452642,"marketCap":864110901},{"date":"2023-09-29","current":10.141544,"twenty":5.911565,"median":8.189615,"eighty":19.306518,"marketCap":840733988},{"date":"2023-10-06","current":9.554905,"twenty":5.911565,"median":8.189615,"eighty":18.991251,"marketCap":792101659},{"date":"2023-10-13","current":9.700936,"twenty":5.911565,"median":8.189615,"eighty":18.630624,"marketCap":804207561},{"date":"2023-10-20","current":9.149546,"twenty":5.911565,"median":8.189615,"eighty":18.544445,"marketCap":758497346},{"date":"2023-10-27","current":8.965749,"twenty":5.911051,"median":8.184963,"eighty":18.466331,"marketCap":743260608},{"date":"2023-11-02","current":9.29054,"twenty":5.911051,"median":8.184963,"eighty":18.375716,"marketCap":770185803},{"date":"2023-11-10","current":9.188958,"twenty":5.910883,"median":8.179603,"eighty":18.231686,"marketCap":827925104},{"date":"2023-11-17","current":9.789845,"twenty":5.910883,"median":8.179603,"eighty":18.108958,"marketCap":882065075},{"date":"2023-11-24","current":10.023267,"twenty":5.910883,"median":8.179603,"eighty":18.016589,"marketCap":903096372},{"date":"2023-12-01","current":10.439266,"twenty":5.910883,"median":8.179603,"eighty":17.928366,"marketCap":940577891},{"date":"2023-12-08","current":10.309844,"twenty":5.911051,"median":8.184963,"eighty":17.774797,"marketCap":928916974},{"date":"2023-12-15","current":10.515533,"twenty":5.911051,"median":8.184963,"eighty":17.669875,"marketCap":947449503},{"date":"2023-12-22","current":11.38682,"twenty":5.911051,"median":8.184963,"eighty":17.421463,"marketCap":1025952461},{"date":"2023-12-29","current":12.017752,"twenty":5.910883,"median":8.179603,"eighty":17.245811,"marketCap":1082799432},{"date":"2024-01-05","current":10.788243,"twenty":5.910714,"median":8.174243,"eighty":17.004095,"marketCap":972020720},{"date":"2024-01-12","current":11.42842,"twenty":5.910714,"median":8.174243,"eighty":16.618744,"marketCap":1029700613},{"date":"2024-01-19","current":11.38682,"twenty":5.910546,"median":8.173443,"eighty":16.355484,"marketCap":1025952461},{"date":"2024-01-26","current":12.008507,"twenty":5.910714,"median":8.174243,"eighty":16.194285,"marketCap":1081966509},{"date":"2024-02-02","current":12.170285,"twenty":5.910714,"median":8.174243,"eighty":15.850903,"marketCap":1096542655},{"date":"2024-02-09","current":11.775086,"twenty":5.910714,"median":8.174243,"eighty":15.608628,"marketCap":1060935212},{"date":"2024-02-16","current":12.075529,"twenty":5.910714,"median":8.174243,"eighty":15.057309,"marketCap":1088005198},{"date":"2024-02-23","current":12.054729,"twenty":5.910714,"median":8.174243,"eighty":13.541658,"marketCap":1086131122},{"date":"2024-03-01","current":13.347587,"twenty":5.910883,"median":8.179603,"eighty":12.61214,"marketCap":1190604793},{"date":"2024-03-08","current":12.404628,"twenty":5.910883,"median":8.179603,"eighty":12.42113,"marketCap":1106492833},{"date":"2024-03-15","current":12.497525,"twenty":5.910883,"median":8.179603,"eighty":12.413115,"marketCap":1114779247},{"date":"2024-03-22","current":12.893782,"twenty":5.910883,"median":8.179603,"eighty":12.413115,"marketCap":1150125390},{"date":"2024-03-28","current":12.979203,"twenty":5.910883,"median":8.179603,"eighty":12.413115,"marketCap":1157744918},{"date":"2024-04-05","current":13.064624,"twenty":5.910714,"median":8.174243,"eighty":12.364189,"marketCap":1165364446},{"date":"2024-04-12","current":13.337496,"twenty":5.910714,"median":8.174243,"eighty":12.364189,"marketCap":1189704604},{"date":"2024-04-19","current":12.611419,"twenty":5.910714,"median":8.174243,"eighty":12.364189,"marketCap":1124938618},{"date":"2024-04-26","current":12.703959,"twenty":5.910883,"median":8.179603,"eighty":12.413115,"marketCap":1133193106},{"date":"2024-05-03","current":12.554472,"twenty":5.910883,"median":8.179603,"eighty":12.35071,"marketCap":1119858933},{"date":"2024-05-10","current":12.023572,"twenty":5.910883,"median":8.179603,"eighty":12.170819,"marketCap":922208004},{"date":"2024-05-17","current":12.424358,"twenty":5.910883,"median":8.179603,"eighty":12.140057,"marketCap":952948270},{"date":"2024-05-24","current":11.946179,"twenty":5.910883,"median":8.179603,"eighty":12.067132,"marketCap":916271952},{"date":"2024-05-31","current":11.946179,"twenty":5.910883,"median":8.179603,"eighty":12.04076,"marketCap":916271952},{"date":"2024-06-07","current":11.802449,"twenty":5.910883,"median":8.179603,"eighty":12.026568,"marketCap":905247856},{"date":"2024-06-14","current":11.130788,"twenty":5.910714,"median":8.174243,"eighty":11.951707,"marketCap":853731409},{"date":"2024-06-21","current":10.743822,"twenty":5.910546,"median":8.173443,"eighty":11.92577,"marketCap":824051152},{"date":"2024-06-28","current":10.284991,"twenty":5.90919,"median":8.162816,"eighty":11.898499,"marketCap":788858846},{"date":"2024-07-05","current":10.163374,"twenty":5.90919,"median":8.162816,"eighty":11.845423,"marketCap":779530765},{"date":"2024-07-12","current":10.0307,"twenty":5.90919,"median":8.162816,"eighty":11.793953,"marketCap":769354677},{"date":"2024-07-15","current":10.05834,"twenty":5.90919,"median":8.162816,"eighty":11.778435,"marketCap":771474695},{"date":"2024-08-02","current":10.616676,"twenty":5.889261,"median":8.124289,"eighty":11.583991,"marketCap":814299067},{"date":"2024-08-09","current":9.542766,"twenty":5.889261,"median":8.124289,"eighty":11.496778,"marketCap":753878543},{"date":"2024-08-16","current":9.740172,"twenty":5.889261,"median":8.124289,"eighty":11.475288,"marketCap":769473600},{"date":"2024-08-23","current":9.776535,"twenty":5.889261,"median":8.124289,"eighty":11.414441,"marketCap":772346301},{"date":"2024-08-30","current":10.124584,"twenty":5.889261,"median":8.124289,"eighty":11.365442,"marketCap":799842158},{"date":"2024-09-06","current":9.657056,"twenty":5.889261,"median":8.124289,"eighty":11.33594,"marketCap":762907425},{"date":"2024-09-13","current":9.521992,"twenty":5.889261,"median":8.124289,"eighty":11.238798,"marketCap":752237391},{"date":"2024-09-20","current":9.719393,"twenty":5.889261,"median":8.124289,"eighty":11.192956,"marketCap":767832056},{"date":"2024-09-27","current":9.618095,"twenty":5.889261,"median":8.124289,"eighty":11.120264,"marketCap":759829530},{"date":"2024-10-04","current":9.14797,"twenty":5.889261,"median":8.124289,"eighty":10.998659,"marketCap":722689605},{"date":"2024-10-11","current":9.498616,"twenty":5.889261,"median":8.124289,"eighty":10.933905,"marketCap":750390654},{"date":"2024-10-18","current":9.83108,"twenty":5.889261,"median":8.124289,"eighty":10.889256,"marketCap":776655353},{"date":"2024-10-25","current":9.025893,"twenty":5.889261,"median":8.124289,"eighty":10.821212,"marketCap":713045536},{"date":"2024-10-31","current":8.909011,"twenty":5.889261,"median":8.124289,"eighty":10.773696,"marketCap":703811852},{"date":"2024-11-08","current":9.877833,"twenty":5.888124,"median":8.123445,"eighty":10.6846,"marketCap":780348826},{"date":"2024-11-15","current":10.083456,"twenty":5.888124,"median":8.123445,"eighty":10.616676,"marketCap":761300898},{"date":"2024-11-22","current":10.142517,"twenty":5.888124,"median":8.123445,"eighty":10.574313,"marketCap":765760062},{"date":"2024-11-29","current":10.325072,"twenty":5.888124,"median":8.123445,"eighty":10.515533,"marketCap":779542932},{"date":"2024-12-06","current":9.718346,"twenty":5.888124,"median":8.123445,"eighty":10.475411,"marketCap":733735157},{"date":"2024-12-13","current":9.068667,"twenty":5.888124,"median":8.123445,"eighty":10.423533,"marketCap":684684354},{"date":"2024-12-20","current":8.416303,"twenty":5.888124,"median":8.123445,"eighty":10.327858,"marketCap":635430861},{"date":"2024-12-27","current":8.657919,"twenty":5.888124,"median":8.123445,"eighty":10.312205,"marketCap":653672895},{"date":"2025-01-03","current":8.539796,"twenty":5.888124,"median":8.123445,"eighty":10.280427,"marketCap":644754567},{"date":"2025-01-10","current":8.139786,"twenty":5.88752,"median":8.123196,"eighty":10.263076,"marketCap":614553866},{"date":"2025-01-17","current":8.54248,"twenty":5.88752,"median":8.112688,"eighty":10.235602,"marketCap":644957257},{"date":"2025-01-24","current":8.510265,"twenty":5.88752,"median":8.112688,"eighty":10.213588,"marketCap":642524985},{"date":"2025-01-31","current":8.220325,"twenty":5.88752,"median":8.112688,"eighty":10.184948,"marketCap":620634544},{"date":"2025-02-07","current":7.978709,"twenty":5.88752,"median":8.091444,"eighty":10.154118,"marketCap":602392510},{"date":"2025-02-14","current":8.091463,"twenty":5.88752,"median":8.080286,"eighty":10.127097,"marketCap":610905459},{"date":"2025-02-21","current":8.209587,"twenty":5.88752,"median":8.080286,"eighty":10.086129,"marketCap":619823787},{"date":"2025-02-28","current":11.314239,"twenty":5.88752,"median":8.084011,"eighty":10.074447,"marketCap":592866114},{"date":"2025-03-07","current":11.630747,"twenty":5.891534,"median":8.099693,"eighty":10.119909,"marketCap":609451122},{"date":"2025-03-14","current":11.095146,"twenty":5.916712,"median":8.112788,"eighty":10.143813,"marketCap":581385641},{"date":"2025-03-21","current":11.638566,"twenty":5.93937,"median":8.139786,"eighty":10.170065,"marketCap":609860837},{"date":"2025-03-28","current":11.392267,"twenty":5.954033,"median":8.15389,"eighty":10.204801,"marketCap":596954813},{"date":"2025-04-04","current":10.164686,"twenty":5.971828,"median":8.185425,"eighty":10.227017,"marketCap":532629552},{"date":"2025-04-11","current":9.531348,"twenty":5.985323,"median":8.212004,"eighty":10.2256,"marketCap":499442633},{"date":"2025-04-17","current":9.258623,"twenty":5.993565,"median":8.222707,"eighty":10.2256,"marketCap":485151834},{"date":"2025-04-25","current":9.831281,"twenty":6.015433,"median":8.231064,"eighty":10.227017,"marketCap":515159150},{"date":"2025-05-02","current":9.666018,"twenty":6.04456,"median":8.25151,"eighty":10.227017,"marketCap":506499320},{"date":"2025-05-09","current":10.054196,"twenty":6.075892,"median":8.272451,"eighty":10.227017,"marketCap":526839850},{"date":"2025-05-16","current":24.655543,"twenty":6.094121,"median":8.299029,"eighty":10.252521,"marketCap":628716336},{"date":"2025-05-23","current":23.831599,"twenty":6.1021,"median":8.325026,"eighty":10.272901,"marketCap":607705765},{"date":"2025-05-30","current":24.757555,"twenty":6.1021,"median":8.353529,"eighty":10.296167,"marketCap":631317645},{"date":"2025-06-06","current":24.781096,"twenty":6.1021,"median":8.405028,"eighty":10.326186,"marketCap":631917947},{"date":"2025-06-13","current":25.683511,"twenty":6.1021,"median":8.420324,"eighty":10.419106,"marketCap":654929525},{"date":"2025-06-20","current":24.443671,"twenty":6.102063,"median":8.442439,"eighty":10.448474,"marketCap":623313618},{"date":"2025-06-27","current":24.945885,"twenty":6.102063,"median":8.468349,"eighty":10.514989,"marketCap":636120061},{"date":"2025-07-03","current":26.436831,"twenty":6.102063,"median":8.508923,"eighty":10.56,"marketCap":674139190},{"date":"2025-07-11","current":27.143069,"twenty":6.102063,"median":8.523688,"eighty":10.603119,"marketCap":692148252},{"date":"2025-07-18","current":25.314698,"twenty":6.102063,"median":8.541138,"eighty":10.660287,"marketCap":645524793},{"date":"2025-07-25","current":26.279889,"twenty":6.102063,"median":8.568729,"eighty":10.741253,"marketCap":670137177},{"date":"2025-08-01","current":25.785523,"twenty":6.102063,"median":8.568729,"eighty":10.804709,"marketCap":657530834},{"date":"2025-08-08","current":26.107253,"twenty":6.102063,"median":8.576038,"eighty":10.857693,"marketCap":665734962},{"date":"2025-08-15","current":40.005546,"twenty":6.102063,"median":8.615277,"eighty":10.899381,"marketCap":604083747},{"date":"2025-08-22","current":37.590068,"twenty":6.102063,"median":8.629883,"eighty":10.92372,"marketCap":567610022},{"date":"2025-08-29","current":37.877314,"twenty":6.102063,"median":8.664051,"eighty":10.981101,"marketCap":571947438},{"date":"2025-09-05","current":37.368105,"twenty":6.102025,"median":8.672779,"eighty":11.029968,"marketCap":564258382},{"date":"2025-09-12","current":37.733691,"twenty":6.102063,"median":8.695217,"eighty":11.092576,"marketCap":569778730},{"date":"2025-09-19","current":38.32124,"twenty":6.102063,"median":8.783121,"eighty":11.170694,"marketCap":578650717},{"date":"2025-09-26","current":36.754443,"twenty":6.102063,"median":8.811861,"eighty":11.215233,"marketCap":554992085},{"date":"2025-10-03","current":35.174589,"twenty":6.102063,"median":8.838957,"eighty":11.272713,"marketCap":531136297},{"date":"2025-10-10","current":34.600097,"twenty":6.102063,"median":8.897322,"eighty":11.344513,"marketCap":522461465},{"date":"2025-10-17","current":34.913456,"twenty":6.102063,"median":8.942414,"eighty":11.379353,"marketCap":527193191},{"date":"2025-10-24","current":37.498671,"twenty":6.102063,"median":8.988406,"eighty":11.414328,"marketCap":566229935},{"date":"2025-10-31","current":36.049384,"twenty":6.102063,"median":9.055072,"eighty":11.467336,"marketCap":544345700},{"date":"2025-11-07","current":36.349687,"twenty":6.11434,"median":9.10368,"eighty":11.49155,"marketCap":548880271},{"date":"2025-11-14","current":35.804552,"twenty":6.130832,"median":9.149546,"eighty":11.560783,"marketCap":576453285},{"date":"2025-11-21","current":33.246214,"twenty":6.15763,"median":9.181107,"eighty":11.626545,"marketCap":535264040},{"date":"2025-11-28","current":36.182211,"twenty":6.172568,"median":9.204192,"eighty":11.664153,"marketCap":582533602},{"date":"2025-12-05","current":34.172088,"twenty":6.211797,"median":9.232378,"eighty":11.692348,"marketCap":550170624},{"date":"2025-12-12","current":35.646179,"twenty":6.238321,"median":9.272797,"eighty":11.749498,"marketCap":573903474},{"date":"2025-12-19","current":34.269549,"twenty":6.264086,"median":9.301863,"eighty":11.812526,"marketCap":551739738},{"date":"2025-12-26","current":33.197483,"twenty":6.299161,"median":9.326196,"eighty":11.858242,"marketCap":534479483},{"date":"2026-01-02","current":32.99038,"twenty":6.330426,"median":9.348368,"eighty":11.914214,"marketCap":531145116},{"date":"2026-01-09","current":33.648238,"twenty":6.377585,"median":9.389005,"eighty":11.942862,"marketCap":541736636},{"date":"2026-01-16","current":35.621813,"twenty":6.444395,"median":9.411748,"eighty":11.989443,"marketCap":573511196},{"date":"2026-01-23","current":35.877647,"twenty":6.51107,"median":9.430051,"eighty":12.03256,"marketCap":577630120},{"date":"2026-01-30","current":36.084751,"twenty":6.552397,"median":9.454982,"eighty":12.060911,"marketCap":580964488},{"date":"2026-02-06","current":38.375073,"twenty":6.658583,"median":9.472835,"eighty":12.160911,"marketCap":617838669},{"date":"2026-02-13","current":41.68873,"twenty":6.753437,"median":9.486928,"eighty":12.253286,"marketCap":671188547},{"date":"2026-02-20","current":42.16385,"twenty":6.77957,"median":9.497929,"eighty":12.298871,"marketCap":678837978},{"date":"2026-02-27","current":12.93811,"twenty":6.823213,"median":9.514159,"eighty":12.423253,"marketCap":724534178},{"date":"2026-03-06","current":13.333721,"twenty":6.894802,"median":9.535761,"eighty":12.499508,"marketCap":746688353},{"date":"2026-03-13","current":13.102257,"twenty":6.973567,"median":9.552734,"eighty":12.546072,"marketCap":733726377},{"date":"2026-03-20","current":13.13382,"twenty":7.024807,"median":9.56176,"eighty":12.594321,"marketCap":735493919},{"date":"2026-03-27","current":13.596748,"twenty":7.063725,"median":9.581732,"eighty":12.63752,"marketCap":761417870}],"updateTime":1774850896358},"$inf$@#url:\"https://stock-news.skytigris.cn/v3/notice/important/events/list\",params:#symbol:\"KOP\",pageSize:20,pageCount:8,market:\"us\",,,undefined,":[{"items":[{"cdn_pdf":false,"hasAttachments":true,"id":"10291402","market":"us","labels":[],"media":"sec.gov","original_id":"AN156459020041095-KOP","pdf_url":null,"pub_time":1598284800000,"showTitleType":true,"size":0,"source":"sec_us","summary":"8-K  - Current report","symbol":"KOP","title":"8-K  - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1315257/000156459020041095/0001564590-20-041095-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 7.01: Regulation FD Disclosure;\nItem 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"EX-99.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1315257/000156459020041095/kop-ex991_6.htm","primary":true,"translateUrl":null,"linkName":"kop-ex991_6.htm","type":"EX-99.1","id":"NTFILEG1zCRVYE1kYHZcNQ","market":"us","size":111416},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1315257/000156459020041095/kop-8k_20200825.htm","primary":false,"translateUrl":null,"linkName":"kop-8k_20200825.htm","type":"8-K","id":"NTFILEupoDp6g1C8VbfFEE","market":"us","size":32406},{"description":"GRAPHIC","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1315257/000156459020041095/gwbxyjvalszr000001.jpg","primary":false,"translateUrl":null,"linkName":"gwbxyjvalszr000001.jpg","type":"GRAPHIC","id":"NTFILE3WGbCmyWKVy2gtsg","market":"us","size":3291},{"description":"XBRL TAXONOMY EXTENSION SCHEMA","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1315257/000156459020041095/kop-20200825.xsd","primary":false,"translateUrl":null,"linkName":"kop-20200825.xsd","type":"EX-101.SCH","id":"NTFILEGGoqqMMLU7LNSDdp","market":"us","size":5769},{"description":"XBRL TAXONOMY EXTENSION LABEL LINKBASE","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1315257/000156459020041095/kop-20200825_lab.xml","primary":false,"translateUrl":null,"linkName":"kop-20200825_lab.xml","type":"EX-101.LAB","id":"NTFILE23TLmjR9Mc7ag696","market":"us","size":18719},{"description":"XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1315257/000156459020041095/kop-20200825_pre.xml","primary":false,"translateUrl":null,"linkName":"kop-20200825_pre.xml","type":"EX-101.PRE","id":"NTFILE5cuQXKwsHbrh17mU","market":"us","size":11170},{"description":"EXTRACTED XBRL INSTANCE DOCUMENT","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1315257/000156459020041095/kop-8k_20200825_htm.xml","primary":false,"translateUrl":null,"linkName":"kop-8k_20200825_htm.xml","type":"XML","id":"NTFILECquQoMacVmoPMGGw","market":"us","size":3388}],"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":"2020-08-25 00:00","pubTimestamp":1598284800,"title_zh":"8-K  - Current report","summary_en":"Item 7.01: Regulation FD Disclosure;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"10225617","market":"us","labels":[],"media":"sec.gov","original_id":"AN156459020036474-KOP","pdf_url":null,"pub_time":1596556800000,"showTitleType":true,"size":0,"source":"sec_us","summary":"10-Q  - Quarterly report [Sections 13 or 15(d)]","symbol":"KOP","title":"10-Q  - Quarterly report [Sections 13 or 15(d)]","titleType":"Quarterly Report","type":"usFinancials","url":"https://www.sec.gov/Archives/edgar/data/1315257/000156459020036474/0001564590-20-036474-index.htm","us_notice_code":"Form 10-Q","us_title_en":"10-Q  - Quarterly report [Sections 13 or 15(d)]","is_important":0,"hasEarnInfos":true,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"10-Q","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1315257/000156459020036474/kop-10q_20200630.htm","primary":true,"translateUrl":null,"linkName":"kop-10q_20200630.htm","type":"10-Q","id":"NTFILE4PF7HDZWW1qYBnwg","market":"us","size":3538032},{"description":"EX-31.1","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1315257/000156459020036474/kop-ex311_6.htm","primary":false,"translateUrl":null,"linkName":"kop-ex311_6.htm","type":"EX-31.1","id":"NTFILE7pbu63zg9GgN1zbc","market":"us","size":14684},{"description":"EX-31.2","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1315257/000156459020036474/kop-ex312_7.htm","primary":false,"translateUrl":null,"linkName":"kop-ex312_7.htm","type":"EX-31.2","id":"NTFILE8k8kSDsHBmt5BMnN","market":"us","size":14616},{"description":"EX-32.1","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1315257/000156459020036474/kop-ex321_8.htm","primary":false,"translateUrl":null,"linkName":"kop-ex321_8.htm","type":"EX-32.1","id":"NTFILEZEmJiwznnewQieZn","market":"us","size":6797},{"description":"GRAPHIC","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1315257/000156459020036474/gmwaabq13rly000001.jpg","primary":false,"translateUrl":null,"linkName":"gmwaabq13rly000001.jpg","type":"GRAPHIC","id":"NTFILEE1FDt2BXQLg5HC9f","market":"us","size":2955},{"description":"XBRL TAXONOMY EXTENSION SCHEMA","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1315257/000156459020036474/kop-20200630.xsd","primary":false,"translateUrl":null,"linkName":"kop-20200630.xsd","type":"EX-101.SCH","id":"NTFILE5ZbxHQeBcmNXNUez","market":"us","size":73824},{"description":"XBRL TAXONOMY EXTENSION CALCULATION LINKBASE","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1315257/000156459020036474/kop-20200630_cal.xml","primary":false,"translateUrl":null,"linkName":"kop-20200630_cal.xml","type":"EX-101.CAL","id":"NTFILEAVrhxivhjPFTnFHd","market":"us","size":92288},{"description":"XBRL TAXONOMY EXTENSION DEFINITION LINKBASE","seq":8,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1315257/000156459020036474/kop-20200630_def.xml","primary":false,"translateUrl":null,"linkName":"kop-20200630_def.xml","type":"EX-101.DEF","id":"NTFILEGpvCWLaUTz49CQAq","market":"us","size":224863},{"description":"XBRL TAXONOMY EXTENSION LABEL LINKBASE","seq":9,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1315257/000156459020036474/kop-20200630_lab.xml","primary":false,"translateUrl":null,"linkName":"kop-20200630_lab.xml","type":"EX-101.LAB","id":"NTFILE9dZpPrWjZw18B96M","market":"us","size":585996},{"description":"XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE","seq":10,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1315257/000156459020036474/kop-20200630_pre.xml","primary":false,"translateUrl":null,"linkName":"kop-20200630_pre.xml","type":"EX-101.PRE","id":"NTFILE4Q65HUnFLrpgVUPt","market":"us","size":480586},{"description":"EXTRACTED XBRL INSTANCE DOCUMENT","seq":11,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1315257/000156459020036474/kop-10q_20200630_htm.xml","primary":false,"translateUrl":null,"linkName":"kop-10q_20200630_htm.xml","type":"XML","id":"NTFILED7zpofHgv7k5NMed","market":"us","size":4948986}],"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":19641,"name":"Condensed Consolidated Statement of Operations and Comprehensive Income (Unaudited)","name_zh":null,"url":"https://www.sec.gov/Archives/edgar/data/1315257/000156459020036474/R2.htm","cdn_url":"","translation_url":"","translate_status":0},{"id":19642,"name":"Condensed Consolidated Statement of Operations and Comprehensive Income (Unaudited) (Parenthetical)","name_zh":null,"url":"https://www.sec.gov/Archives/edgar/data/1315257/000156459020036474/R3.htm","cdn_url":"","translation_url":"","translate_status":0},{"id":19643,"name":"Condensed Consolidated Balance Sheet","name_zh":null,"url":"https://www.sec.gov/Archives/edgar/data/1315257/000156459020036474/R4.htm","cdn_url":"","translation_url":"","translate_status":0},{"id":19644,"name":"Condensed Consolidated Balance Sheet (Parenthetical)","name_zh":null,"url":"https://www.sec.gov/Archives/edgar/data/1315257/000156459020036474/R5.htm","cdn_url":"","translation_url":"","translate_status":0},{"id":19645,"name":"Condensed Consolidated Statement of Cash Flows (Unaudited)","name_zh":"简明综合现金流量表（未经审核）","url":"https://www.sec.gov/Archives/edgar/data/1315257/000156459020036474/R6.htm","cdn_url":"https://static.tigerbbs.com/18e71f023092a7a26a5772ad667b3ae8","translation_url":"https://static.tigerbbs.com/d7704297a59a47a8df5c0d6d76ca1d82","translate_status":1}],"event_type":"important_notice","event_name":"Quarterly Report","pubTime":"2020-08-05 00:00","pubTimestamp":1596556800,"title_zh":"10-Q  - Quarterly report [Sections 13 or 15(d","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"10225413","market":"us","labels":[],"media":"sec.gov","original_id":"AN156459020036463-KOP","pdf_url":null,"pub_time":1596556800000,"showTitleType":true,"size":0,"source":"sec_us","summary":"8-K  - Current report","symbol":"KOP","title":"8-K  - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1315257/000156459020036463/0001564590-20-036463-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 2.02: Results of Operations and Financial Condition;\nItem 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"EX-99.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1315257/000156459020036463/kop-ex991_6.htm","primary":true,"translateUrl":null,"linkName":"kop-ex991_6.htm","type":"EX-99.1","id":"NTFILEE5La4sX8rkLng5vC","market":"us","size":1723205},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1315257/000156459020036463/kop-8k_20200805.htm","primary":false,"translateUrl":null,"linkName":"kop-8k_20200805.htm","type":"8-K","id":"NTFILEJ7f5rgsXDGgK6W9s","market":"us","size":31461},{"description":"GRAPHIC","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1315257/000156459020036463/gwlkkovlex2e000001.jpg","primary":false,"translateUrl":null,"linkName":"gwlkkovlex2e000001.jpg","type":"GRAPHIC","id":"NTFILE29mF9KBswEJP3bvx","market":"us","size":3291},{"description":"XBRL TAXONOMY EXTENSION SCHEMA","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1315257/000156459020036463/kop-20200805.xsd","primary":false,"translateUrl":null,"linkName":"kop-20200805.xsd","type":"EX-101.SCH","id":"NTFILEGYtY7tyA2otqiJaD","market":"us","size":5769},{"description":"XBRL TAXONOMY EXTENSION LABEL LINKBASE","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1315257/000156459020036463/kop-20200805_lab.xml","primary":false,"translateUrl":null,"linkName":"kop-20200805_lab.xml","type":"EX-101.LAB","id":"NTFILE76jDTrKnqJGoHKvc","market":"us","size":18719},{"description":"XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1315257/000156459020036463/kop-20200805_pre.xml","primary":false,"translateUrl":null,"linkName":"kop-20200805_pre.xml","type":"EX-101.PRE","id":"NTFILEBnWfnzKRYh8xovLj","market":"us","size":11170},{"description":"EXTRACTED XBRL INSTANCE DOCUMENT","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1315257/000156459020036463/kop-8k_20200805_htm.xml","primary":false,"translateUrl":null,"linkName":"kop-8k_20200805_htm.xml","type":"XML","id":"NTFILEBDWjYvj9CVwiaE8R","market":"us","size":3388}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Major Issues Report","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Major Issues Report","pubTime":"2020-08-05 00:00","pubTimestamp":1596556800,"title_zh":"8-K  - Current report","summary_en":"Item 2.02: Results of Operations and Financial Condition;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"10189911","market":"us","labels":[],"media":"sec.gov","original_id":"AN156459020033467-KOP","pdf_url":null,"pub_time":1595779200000,"showTitleType":true,"size":0,"source":"sec_us","summary":"8-K  - Current report","symbol":"KOP","title":"8-K  - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1315257/000156459020033467/0001564590-20-033467-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 2.02: Results of Operations and Financial Condition;\nItem 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"EX-99.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1315257/000156459020033467/kop-ex991_6.htm","primary":true,"translateUrl":null,"linkName":"kop-ex991_6.htm","type":"EX-99.1","id":"NTFILEDP5358jVBzUmnu9b","market":"us","size":1233519},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1315257/000156459020033467/kop-8k_20200727.htm","primary":false,"translateUrl":null,"linkName":"kop-8k_20200727.htm","type":"8-K","id":"NTFILEGrcf3YPQXRy9o9KF","market":"us","size":31215},{"description":"GRAPHIC","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1315257/000156459020033467/g35y40fnvufm000001.jpg","primary":false,"translateUrl":null,"linkName":"g35y40fnvufm000001.jpg","type":"GRAPHIC","id":"NTFILEGSToBBPcxkmwdWRc","market":"us","size":3291},{"description":"XBRL TAXONOMY EXTENSION SCHEMA","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1315257/000156459020033467/kop-20200727.xsd","primary":false,"translateUrl":null,"linkName":"kop-20200727.xsd","type":"EX-101.SCH","id":"NTFILEF4UHoJDYHBcYbbw2","market":"us","size":5769},{"description":"XBRL TAXONOMY EXTENSION LABEL LINKBASE","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1315257/000156459020033467/kop-20200727_lab.xml","primary":false,"translateUrl":null,"linkName":"kop-20200727_lab.xml","type":"EX-101.LAB","id":"NTFILEFpkTtXm3x8kofZR4","market":"us","size":18717},{"description":"XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1315257/000156459020033467/kop-20200727_pre.xml","primary":false,"translateUrl":null,"linkName":"kop-20200727_pre.xml","type":"EX-101.PRE","id":"NTFILE5EeMidypf3P23NaL","market":"us","size":11168},{"description":"EXTRACTED XBRL INSTANCE DOCUMENT","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1315257/000156459020033467/kop-8k_20200727_htm.xml","primary":false,"translateUrl":null,"linkName":"kop-8k_20200727_htm.xml","type":"XML","id":"NTFILEBqg8KjZNtKj63g5i","market":"us","size":3388}],"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":"2020-07-27 00:00","pubTimestamp":1595779200,"title_zh":"8-K  - Current report","summary_en":"Item 2.02: Results of Operations and Financial Condition;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"9953894","market":"us","labels":[],"media":"sec.gov","original_id":"AN156459020029588-KOP","pdf_url":null,"pub_time":1592323200000,"showTitleType":true,"size":0,"source":"sec_us","summary":"8-K  - Current report","symbol":"KOP","title":"8-K  - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1315257/000156459020029588/0001564590-20-029588-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 7.01: Regulation FD Disclosure;\nItem 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"EX-99.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1315257/000156459020029588/kop-ex991_6.htm","primary":true,"translateUrl":null,"linkName":"kop-ex991_6.htm","type":"EX-99.1","id":"NTFILE7KqZPMFYxh4VJzS7","market":"us","size":86537},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1315257/000156459020029588/kop-8k_20200617.htm","primary":false,"translateUrl":null,"linkName":"kop-8k_20200617.htm","type":"8-K","id":"NTFILEAyoSZAVGWQEFksu6","market":"us","size":32398},{"description":"GRAPHIC","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1315257/000156459020029588/gyn3aa2p2ogx000001.jpg","primary":false,"translateUrl":null,"linkName":"gyn3aa2p2ogx000001.jpg","type":"GRAPHIC","id":"NTFILE41shwjZMDQ3YJGQo","market":"us","size":3291},{"description":"XBRL TAXONOMY EXTENSION SCHEMA","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1315257/000156459020029588/kop-20200617.xsd","primary":false,"translateUrl":null,"linkName":"kop-20200617.xsd","type":"EX-101.SCH","id":"NTFILE9GN8ZWjgs5wFdbJa","market":"us","size":5769},{"description":"XBRL TAXONOMY EXTENSION LABEL LINKBASE","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1315257/000156459020029588/kop-20200617_lab.xml","primary":false,"translateUrl":null,"linkName":"kop-20200617_lab.xml","type":"EX-101.LAB","id":"NTFILEEdyGVynyDdtCGRim","market":"us","size":18719},{"description":"XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1315257/000156459020029588/kop-20200617_pre.xml","primary":false,"translateUrl":null,"linkName":"kop-20200617_pre.xml","type":"EX-101.PRE","id":"NTFILEAdZUQZRSy4WDGQHi","market":"us","size":11170},{"description":"EXTRACTED XBRL INSTANCE DOCUMENT","seq":10,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1315257/000156459020029588/kop-8k_20200617_htm.xml","primary":false,"translateUrl":null,"linkName":"kop-8k_20200617_htm.xml","type":"XML","id":"NTFILEGL9bDU4YWHTyfDvf","market":"us","size":3388}],"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":"2020-06-17 00:00","pubTimestamp":1592323200,"title_zh":"8-K  - Current report","summary_en":"Item 7.01: Regulation FD Disclosure;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"9733713","market":"us","labels":[],"media":"sec.gov","original_id":"AN156459020026255-KOP","pdf_url":null,"pub_time":1589904000000,"showTitleType":true,"size":0,"source":"sec_us","summary":"8-K  - Current report","symbol":"KOP","title":"8-K  - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1315257/000156459020026255/0001564590-20-026255-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 7.01: Regulation FD Disclosure\nItem 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"EX-99.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1315257/000156459020026255/kop-ex991_6.htm","primary":true,"translateUrl":null,"linkName":"kop-ex991_6.htm","type":"EX-99.1","id":"NTFILEHnjHoDbnhwHKUMz8","market":"us","size":1065131},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1315257/000156459020026255/kop-8k_20200520.htm","primary":false,"translateUrl":null,"linkName":"kop-8k_20200520.htm","type":"8-K","id":"NTFILE4ciHAv37b5kQrC7C","market":"us","size":32417},{"description":"GRAPHIC","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1315257/000156459020026255/gdxt0soq40qp000001.jpg","primary":false,"translateUrl":null,"linkName":"gdxt0soq40qp000001.jpg","type":"GRAPHIC","id":"NTFILEC5JqDFMzzAoEmq46","market":"us","size":3291},{"description":"XBRL TAXONOMY EXTENSION SCHEMA","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1315257/000156459020026255/kop-20200520.xsd","primary":false,"translateUrl":null,"linkName":"kop-20200520.xsd","type":"EX-101.SCH","id":"NTFILE24Fz2sTnBS9QtJkw","market":"us","size":5769},{"description":"XBRL TAXONOMY EXTENSION LABEL LINKBASE","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1315257/000156459020026255/kop-20200520_lab.xml","primary":false,"translateUrl":null,"linkName":"kop-20200520_lab.xml","type":"EX-101.LAB","id":"NTFILE8jkaHRYKaPovCsnE","market":"us","size":18719},{"description":"XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1315257/000156459020026255/kop-20200520_pre.xml","primary":false,"translateUrl":null,"linkName":"kop-20200520_pre.xml","type":"EX-101.PRE","id":"NTFILE4Ezik9fVfcLF3uFW","market":"us","size":11170},{"description":"EXTRACTED XBRL INSTANCE DOCUMENT","seq":13,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1315257/000156459020026255/kop-8k_20200520_htm.xml","primary":false,"translateUrl":null,"linkName":"kop-8k_20200520_htm.xml","type":"XML","id":"NTFILEDoMQwbrWKadDFhFV","market":"us","size":3388}],"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":"2020-05-20 00:00","pubTimestamp":1589904000,"title_zh":"8-K  - Current report","summary_en":"Item 7.01: Regulation FD Disclosure;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"9690132","market":"us","labels":[],"media":"sec.gov","original_id":"AN156459020022489-KOP","pdf_url":null,"pub_time":1588780800000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Quarterly report [Sections 13 or 15(d)]","symbol":"KOP","title":"Quarterly report [Sections 13 or 15(d)]","titleType":"Quarterly Report","type":"usFinancials","url":"https://www.sec.gov/Archives/edgar/data/1315257/000156459020022489/0001564590-20-022489-index.htm","us_notice_code":"Form 10-Q","us_title_en":null,"is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"10-Q","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1315257/000156459020022489/kop-10q_20200331.htm","primary":true,"translateUrl":null,"linkName":"kop-10q_20200331.htm","type":"10-Q","id":"NTFILEWjXkrJy2ugnAJy2W","market":"us","size":2640701},{"description":"EX-31.1","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1315257/000156459020022489/kop-ex311_7.htm","primary":false,"translateUrl":null,"linkName":"kop-ex311_7.htm","type":"EX-31.1","id":"NTFILE6aq44YPWCeK8m7JC","market":"us","size":14681},{"description":"EX-31.2","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1315257/000156459020022489/kop-ex312_8.htm","primary":false,"translateUrl":null,"linkName":"kop-ex312_8.htm","type":"EX-31.2","id":"NTFILE6V8eVm93WGJDfpR5","market":"us","size":14613},{"description":"EX-32.1","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1315257/000156459020022489/kop-ex321_6.htm","primary":false,"translateUrl":null,"linkName":"kop-ex321_6.htm","type":"EX-32.1","id":"NTFILE2dQ6BwMxj1mgKNMZ","market":"us","size":6792},{"description":"GRAPHIC","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1315257/000156459020022489/gh2jxcyd1apg000001.jpg","primary":false,"translateUrl":null,"linkName":"gh2jxcyd1apg000001.jpg","type":"GRAPHIC","id":"NTFILE3LGiytqrHudNBC5D","market":"us","size":2955},{"description":"XBRL TAXONOMY EXTENSION SCHEMA","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1315257/000156459020022489/kop-20200331.xsd","primary":false,"translateUrl":null,"linkName":"kop-20200331.xsd","type":"EX-101.SCH","id":"NTFILEAkxX4Se7pBfRMjet","market":"us","size":73820},{"description":"XBRL TAXONOMY EXTENSION CALCULATION LINKBASE","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1315257/000156459020022489/kop-20200331_cal.xml","primary":false,"translateUrl":null,"linkName":"kop-20200331_cal.xml","type":"EX-101.CAL","id":"NTFILE6zJPpdQ3Uwg9R6Rv","market":"us","size":90926},{"description":"XBRL TAXONOMY EXTENSION DEFINITION LINKBASE","seq":8,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1315257/000156459020022489/kop-20200331_def.xml","primary":false,"translateUrl":null,"linkName":"kop-20200331_def.xml","type":"EX-101.DEF","id":"NTFILEDp2EB1Yb12rtZCfa","market":"us","size":225938},{"description":"XBRL TAXONOMY EXTENSION LABEL LINKBASE","seq":9,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1315257/000156459020022489/kop-20200331_lab.xml","primary":false,"translateUrl":null,"linkName":"kop-20200331_lab.xml","type":"EX-101.LAB","id":"NTFILEBHjFGnva8r8BKHkC","market":"us","size":584448},{"description":"XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE","seq":10,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1315257/000156459020022489/kop-20200331_pre.xml","primary":false,"translateUrl":null,"linkName":"kop-20200331_pre.xml","type":"EX-101.PRE","id":"NTFILE8FD72fwfbdHtv5Ey","market":"us","size":480313},{"description":"EXTRACTED XBRL INSTANCE DOCUMENT","seq":57,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1315257/000156459020022489/kop-10q_20200331_htm.xml","primary":false,"translateUrl":null,"linkName":"kop-10q_20200331_htm.xml","type":"XML","id":"NTFILE8hYUpTw8ULCeb56r","market":"us","size":3680260}],"type_name":"Financial Report","type_name_en":"Financial Report","titleTypeEn":"Quarterly Report","us_type":"财务报告","us_type_zh":"财务报告","earn_infos":[],"event_type":"important_notice","event_name":"Quarterly Report","pubTime":"2020-05-07 00:00","pubTimestamp":1588780800,"title_zh":"Quarterly report [Sections 13 or 15(d","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"9689546","market":"us","labels":[],"media":"sec.gov","original_id":"AN156459020022406-KOP","pdf_url":null,"pub_time":1588780800000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Current report, items 2.02, 5.02, 5.07, and 9.01","symbol":"KOP","title":"Current report, items 2.02, 5.02, 5.07, and 9.01","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1315257/000156459020022406/0001564590-20-022406-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":"EX-99.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1315257/000156459020022406/kop-ex991_6.htm","primary":true,"translateUrl":null,"linkName":"kop-ex991_6.htm","type":"EX-99.1","id":"NTFILE7ojQ9eW5x7K8pu5L","market":"us","size":1085657},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1315257/000156459020022406/kop-8k_20200506.htm","primary":false,"translateUrl":null,"linkName":"kop-8k_20200506.htm","type":"8-K","id":"NTFILE97AxWvD4MXQf9CF9","market":"us","size":57594},{"description":"GRAPHIC","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1315257/000156459020022406/g1jlpzyih3vb000001.jpg","primary":false,"translateUrl":null,"linkName":"g1jlpzyih3vb000001.jpg","type":"GRAPHIC","id":"NTFILED1XJFUDjNpAZ3R9F","market":"us","size":3291},{"description":"XBRL TAXONOMY EXTENSION SCHEMA","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1315257/000156459020022406/kop-20200506.xsd","primary":false,"translateUrl":null,"linkName":"kop-20200506.xsd","type":"EX-101.SCH","id":"NTFILE8xKFFT9qigQ9VRvX","market":"us","size":5769},{"description":"XBRL TAXONOMY EXTENSION LABEL LINKBASE","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1315257/000156459020022406/kop-20200506_lab.xml","primary":false,"translateUrl":null,"linkName":"kop-20200506_lab.xml","type":"EX-101.LAB","id":"NTFILE3kjW5HgdTE8b7Qgk","market":"us","size":18719},{"description":"XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1315257/000156459020022406/kop-20200506_pre.xml","primary":false,"translateUrl":null,"linkName":"kop-20200506_pre.xml","type":"EX-101.PRE","id":"NTFILE6CwLx8XQZkX2f9Q2","market":"us","size":11170},{"description":"EXTRACTED XBRL INSTANCE DOCUMENT","seq":15,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1315257/000156459020022406/kop-8k_20200506_htm.xml","primary":false,"translateUrl":null,"linkName":"kop-8k_20200506_htm.xml","type":"XML","id":"NTFILEWdZuNUWSNBeH1QXX","market":"us","size":3388}],"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":"2020-05-07 00:00","pubTimestamp":1588780800,"title_zh":"Current report, items 2.02, 5.02, 5.07, and 9.01","summary_en":"Item 2.02: Results of Operations and Financial Condition;\nItem 5.02: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers;\nItem 5.07: Submission of Matters to a Vote of Security Holders;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"9684850","market":"us","labels":[],"media":"sec.gov","original_id":"AN119312520134947-KOP","pdf_url":null,"pub_time":1588694400000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Securities to be offered to employees in employee benefit plans","symbol":"KOP","title":"Securities to be offered to employees in employee benefit plans","titleType":"Employee Stock Ownership","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1315257/000119312520134947/0001193125-20-134947-index.htm","us_notice_code":"Form S-8","us_title_en":null,"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/1315257/000119312520134947/d908468ds8.htm","primary":true,"translateUrl":null,"linkName":"d908468ds8.htm","type":"S-8","id":"NTFILE8oXK5Un9pzTZgqmD","market":"us","size":69879},{"description":"EX-5.1","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1315257/000119312520134947/d908468dex51.htm","primary":false,"translateUrl":null,"linkName":"d908468dex51.htm","type":"EX-5.1","id":"NTFILE2Y5vnNNzw5oJ5D8v","market":"us","size":8080},{"description":"EX-23.1","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1315257/000119312520134947/d908468dex231.htm","primary":false,"translateUrl":null,"linkName":"d908468dex231.htm","type":"EX-23.1","id":"NTFILE2eU79yQTWRPVgZJv","market":"us","size":2536},{"description":"EX-99.1","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1315257/000119312520134947/d908468dex991.htm","primary":false,"translateUrl":null,"linkName":"d908468dex991.htm","type":"EX-99.1","id":"NTFILEJCB3nawWnZynrHsK","market":"us","size":141298},{"description":"GRAPHIC","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1315257/000119312520134947/g908468dsp12.jpg","primary":false,"translateUrl":null,"linkName":"g908468dsp12.jpg","type":"GRAPHIC","id":"NTFILEASv6AqkM3rsCYqMZ","market":"us","size":7966},{"description":"GRAPHIC","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1315257/000119312520134947/g908468g0429005800299.jpg","primary":false,"translateUrl":null,"linkName":"g908468g0429005800299.jpg","type":"GRAPHIC","id":"NTFILEGaL23ou92kcNuBcz","market":"us","size":2889}],"type_name":"Transaction Related","type_name_en":"Transaction Related","titleTypeEn":"Employee Stock Ownership","us_type":"交易披露","us_type_zh":"交易披露","earn_infos":[],"event_type":"important_notice","event_name":"Employee Stock Ownership","pubTime":"2020-05-06 00:00","pubTimestamp":1588694400,"title_zh":"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":"9609228","market":"us","labels":[],"media":"sec.gov","original_id":"AN156459020018697-KOP","pdf_url":null,"pub_time":1587916800000,"showTitleType":true,"size":0,"source":"sec_us","summary":"8-K  - Current report","symbol":"KOP","title":"8-K  - Current report","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1315257/000156459020018697/0001564590-20-018697-index.htm","us_notice_code":"Form 8-K","us_title_en":"Item 2.02: Results of Operations and Financial Condition\nItem 9.01: Financial Statements and Exhibits","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"EX-99.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1315257/000156459020018697/kop-ex991_6.htm","primary":true,"translateUrl":null,"linkName":"kop-ex991_6.htm","type":"EX-99.1","id":"NTFILE57B78Zj6atjfkAw6","market":"us","size":709903},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1315257/000156459020018697/kop-8k_20200427.htm","primary":false,"translateUrl":null,"linkName":"kop-8k_20200427.htm","type":"8-K","id":"NTFILE56EUuhbwEPYxEsVT","market":"us","size":31873},{"description":"GRAPHIC","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1315257/000156459020018697/g1qkzmvx4sfb000001.jpg","primary":false,"translateUrl":null,"linkName":"g1qkzmvx4sfb000001.jpg","type":"GRAPHIC","id":"NTFILE2XCnqEupTb6avyxJ","market":"us","size":3291},{"description":"XBRL TAXONOMY EXTENSION SCHEMA","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1315257/000156459020018697/kop-20200427.xsd","primary":false,"translateUrl":null,"linkName":"kop-20200427.xsd","type":"EX-101.SCH","id":"NTFILE55CHMwy6wKCTGP7E","market":"us","size":5769},{"description":"XBRL TAXONOMY EXTENSION LABEL LINKBASE","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1315257/000156459020018697/kop-20200427_lab.xml","primary":false,"translateUrl":null,"linkName":"kop-20200427_lab.xml","type":"EX-101.LAB","id":"NTFILED3W8B9Bq4xAYxH2L","market":"us","size":18719},{"description":"XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1315257/000156459020018697/kop-20200427_pre.xml","primary":false,"translateUrl":null,"linkName":"kop-20200427_pre.xml","type":"EX-101.PRE","id":"NTFILE5Z58BGFKiJipXZbk","market":"us","size":11170},{"description":"EXTRACTED XBRL INSTANCE DOCUMENT","seq":11,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1315257/000156459020018697/kop-8k_20200427_htm.xml","primary":false,"translateUrl":null,"linkName":"kop-8k_20200427_htm.xml","type":"XML","id":"NTFILEB2Er712HxWmYYYAx","market":"us","size":3388}],"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":"2020-04-27 00:00","pubTimestamp":1587916800,"title_zh":"8-K  - Current report","summary_en":"Item 2.02: Results of Operations and Financial Condition;\nItem 9.01: Financial Statements and Exhibits","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"9138261","market":"us","labels":[],"media":"sec.gov","original_id":"AN156459020007040-KOP","pdf_url":null,"pub_time":1582732800000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Current report, items 2.02 and 9.01","symbol":"KOP","title":"Current report, items 2.02 and 9.01","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1315257/000156459020007040/0001564590-20-007040-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":"EX-99.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1315257/000156459020007040/kop-ex991_6.htm","primary":true,"translateUrl":null,"linkName":"kop-ex991_6.htm","type":"EX-99.1","id":"NTFILE4XeZy15o7bQ26wfJ","market":"us","size":1857466},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1315257/000156459020007040/kop-8k_20200227.htm","primary":false,"translateUrl":null,"linkName":"kop-8k_20200227.htm","type":"8-K","id":"NTFILE81n5wzshRwTk4VQ4","market":"us","size":31855},{"description":"GRAPHIC","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1315257/000156459020007040/gb00oaehofvr000001.jpg","primary":false,"translateUrl":null,"linkName":"gb00oaehofvr000001.jpg","type":"GRAPHIC","id":"NTFILEBoVekpcnKZ4kSVJU","market":"us","size":3291},{"description":"XBRL TAXONOMY EXTENSION SCHEMA","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1315257/000156459020007040/kop-20200227.xsd","primary":false,"translateUrl":null,"linkName":"kop-20200227.xsd","type":"EX-101.SCH","id":"NTFILEDJhRKpgFkMFftmLR","market":"us","size":5961},{"description":"XBRL TAXONOMY EXTENSION LABEL LINKBASE","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1315257/000156459020007040/kop-20200227_lab.xml","primary":false,"translateUrl":null,"linkName":"kop-20200227_lab.xml","type":"EX-101.LAB","id":"NTFILEC2xH6PC8PVhJcQ7p","market":"us","size":18719},{"description":"XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1315257/000156459020007040/kop-20200227_pre.xml","primary":false,"translateUrl":null,"linkName":"kop-20200227_pre.xml","type":"EX-101.PRE","id":"NTFILEDVdAb2W1dMdPYN3B","market":"us","size":11170},{"description":"EXTRACTED XBRL INSTANCE DOCUMENT","seq":10,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1315257/000156459020007040/kop-8k_20200227_htm.xml","primary":false,"translateUrl":null,"linkName":"kop-8k_20200227_htm.xml","type":"XML","id":"NTFILEGZwSK44CV2CvK8ts","market":"us","size":3388}],"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":"2020-02-27 00:00","pubTimestamp":1582732800,"title_zh":"Current report, items 2.02 and 9.01","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"9138119","market":"us","labels":[],"media":"sec.gov","original_id":"AN119312520051092-KOP","pdf_url":null,"pub_time":1582732800000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Current report, items 1.01, 8.01, and 9.01","symbol":"KOP","title":"Current report, items 1.01, 8.01, and 9.01","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1315257/000119312520051092/0001193125-20-051092-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":"EX-1.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1315257/000119312520051092/d874971dex11.htm","primary":true,"translateUrl":null,"linkName":"d874971dex11.htm","type":"EX-1.1","id":"NTFILE3pWmcterWsJ4iPbP","market":"us","size":189472},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1315257/000119312520051092/d874971d8k.htm","primary":false,"translateUrl":null,"linkName":"d874971d8k.htm","type":"8-K","id":"NTFILEBjGsYKnkDb9nhByG","market":"us","size":32255},{"description":"EX-5.1","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1315257/000119312520051092/d874971dex51.htm","primary":false,"translateUrl":null,"linkName":"d874971dex51.htm","type":"EX-5.1","id":"NTFILEDmYtYYevSaJrtsMC","market":"us","size":13363},{"description":"EX-10.1","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1315257/000119312520051092/d874971dex101.htm","primary":false,"translateUrl":null,"linkName":"d874971dex101.htm","type":"EX-10.1","id":"NTFILE7wx5KGtAKkwZMmMP","market":"us","size":89574},{"description":"XBRL TAXONOMY EXTENSION SCHEMA","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1315257/000119312520051092/kop-20200226.xsd","primary":false,"translateUrl":null,"linkName":"kop-20200226.xsd","type":"EX-101.SCH","id":"NTFILEE63VcEZhH5RYbTBw","market":"us","size":3063},{"description":"XBRL TAXONOMY EXTENSION LABEL LINKBASE","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1315257/000119312520051092/kop-20200226_lab.xml","primary":false,"translateUrl":null,"linkName":"kop-20200226_lab.xml","type":"EX-101.LAB","id":"NTFILEHNLEtDzyZXx8sruD","market":"us","size":17373},{"description":"XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1315257/000119312520051092/kop-20200226_pre.xml","primary":false,"translateUrl":null,"linkName":"kop-20200226_pre.xml","type":"EX-101.PRE","id":"NTFILE5sS6feps9wUDrF3J","market":"us","size":10949},{"description":"GRAPHIC","seq":8,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1315257/000119312520051092/g874971im1.jpg","primary":false,"translateUrl":null,"linkName":"g874971im1.jpg","type":"GRAPHIC","id":"NTFILEDFe5s9QDWCFgLMzA","market":"us","size":3580},{"description":"EXTRACTED XBRL INSTANCE DOCUMENT","seq":10,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1315257/000119312520051092/d874971d8k_htm.xml","primary":false,"translateUrl":null,"linkName":"d874971d8k_htm.xml","type":"XML","id":"NTFILEDRsF1ZG32zJAVdHS","market":"us","size":3199}],"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":"2020-02-27 00:00","pubTimestamp":1582732800,"title_zh":"Current report, items 1.01, 8.01, and 9.01","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"9137713","market":"us","labels":[],"media":"sec.gov","original_id":"AN156459020006973-KOP","pdf_url":null,"pub_time":1582732800000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Annual report [Section 13 and 15(d), not S-K Item 405]","symbol":"KOP","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/1315257/000156459020006973/0001564590-20-006973-index.htm","us_notice_code":"Form 10-K","us_title_en":null,"is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"10-K","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1315257/000156459020006973/kop-10k_20191231.htm","primary":true,"translateUrl":null,"linkName":"kop-10k_20191231.htm","type":"10-K","id":"NTFILE21DLXj2TurNKoyta","market":"us","size":6092091},{"description":"EX-4.4","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1315257/000156459020006973/kop-ex44_362.htm","primary":false,"translateUrl":null,"linkName":"kop-ex44_362.htm","type":"EX-4.4","id":"NTFILEuUYtfniRMxr9bkJv","market":"us","size":25613},{"description":"EX-10.38","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1315257/000156459020006973/kop-ex1038_361.htm","primary":false,"translateUrl":null,"linkName":"kop-ex1038_361.htm","type":"EX-10.38","id":"NTFILEG4XqMm6y5SLNhSaY","market":"us","size":95415},{"description":"EX-10.39","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1315257/000156459020006973/kop-ex1039_359.htm","primary":false,"translateUrl":null,"linkName":"kop-ex1039_359.htm","type":"EX-10.39","id":"NTFILEAhVySiHXkrmEHJ9a","market":"us","size":126118},{"description":"EX-10.40","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1315257/000156459020006973/kop-ex1040_577.htm","primary":false,"translateUrl":null,"linkName":"kop-ex1040_577.htm","type":"EX-10.40","id":"NTFILEcL71J3NGZe43detv","market":"us","size":120322},{"description":"EX-10.41","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1315257/000156459020006973/kop-ex1041_360.htm","primary":false,"translateUrl":null,"linkName":"kop-ex1041_360.htm","type":"EX-10.41","id":"NTFILE4kG7JQtgewT1aABU","market":"us","size":93884},{"description":"EX-21","seq":7,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1315257/000156459020006973/kop-ex21_7.htm","primary":false,"translateUrl":null,"linkName":"kop-ex21_7.htm","type":"EX-21","id":"NTFILEAjzevuLvANndpQ6h","market":"us","size":68463},{"description":"EX-23.1","seq":8,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1315257/000156459020006973/kop-ex231_8.htm","primary":false,"translateUrl":null,"linkName":"kop-ex231_8.htm","type":"EX-23.1","id":"NTFILEJDRKYNvVCcNkGEAx","market":"us","size":3691},{"description":"EX-24","seq":9,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1315257/000156459020006973/kop-ex24_9.htm","primary":false,"translateUrl":null,"linkName":"kop-ex24_9.htm","type":"EX-24","id":"NTFILE5PR4nVWgEwBveNhn","market":"us","size":47802},{"description":"EX-31.1","seq":10,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1315257/000156459020006973/kop-ex311_11.htm","primary":false,"translateUrl":null,"linkName":"kop-ex311_11.htm","type":"EX-31.1","id":"NTFILEBLsoPeLo6vxPgsq3","market":"us","size":14254},{"description":"EX-31.2","seq":11,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1315257/000156459020006973/kop-ex312_6.htm","primary":false,"translateUrl":null,"linkName":"kop-ex312_6.htm","type":"EX-31.2","id":"NTFILEEgysy6E3FUeD9FJn","market":"us","size":14179},{"description":"EX-32.1","seq":12,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1315257/000156459020006973/kop-ex321_12.htm","primary":false,"translateUrl":null,"linkName":"kop-ex321_12.htm","type":"EX-32.1","id":"NTFILEGQSEd7NE88X45XVo","market":"us","size":10152},{"description":"XBRL TAXONOMY EXTENSION SCHEMA","seq":13,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1315257/000156459020006973/kop-20191231.xsd","primary":false,"translateUrl":null,"linkName":"kop-20191231.xsd","type":"EX-101.SCH","id":"NTFILEJ83J7cKVMrS1Ersf","market":"us","size":101798},{"description":"XBRL TAXONOMY EXTENSION CALCULATION LINKBASE","seq":14,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1315257/000156459020006973/kop-20191231_cal.xml","primary":false,"translateUrl":null,"linkName":"kop-20191231_cal.xml","type":"EX-101.CAL","id":"NTFILE5ksbqVhVfpJ7BpVX","market":"us","size":100055},{"description":"XBRL TAXONOMY EXTENSION DEFINITION LINKBASE","seq":15,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1315257/000156459020006973/kop-20191231_def.xml","primary":false,"translateUrl":null,"linkName":"kop-20191231_def.xml","type":"EX-101.DEF","id":"NTFILE6HHfjH7ZFGhCKien","market":"us","size":408812},{"description":"XBRL TAXONOMY EXTENSION LABEL LINKBASE","seq":16,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1315257/000156459020006973/kop-20191231_lab.xml","primary":false,"translateUrl":null,"linkName":"kop-20191231_lab.xml","type":"EX-101.LAB","id":"NTFILE8Ps4unpYn3jbfo8v","market":"us","size":863187},{"description":"XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE","seq":17,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1315257/000156459020006973/kop-20191231_pre.xml","primary":false,"translateUrl":null,"linkName":"kop-20191231_pre.xml","type":"EX-101.PRE","id":"NTFILE9eh1frLBp5KAmsaU","market":"us","size":736703},{"description":"EXTRACTED XBRL INSTANCE DOCUMENT","seq":98,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1315257/000156459020006973/kop-10k_20191231_htm.xml","primary":false,"translateUrl":null,"linkName":"kop-10k_20191231_htm.xml","type":"XML","id":"NTFILEHf9ZoE2zHjXwHoEW","market":"us","size":7035906}],"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":"2020-02-27 00:00","pubTimestamp":1582732800,"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},{"cdn_pdf":false,"hasAttachments":true,"id":"9106217","market":"us","labels":[],"media":"sec.gov","original_id":"AN156459020004951-KOP","pdf_url":null,"pub_time":1581955200000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Current report, items 2.02 and 9.01","symbol":"KOP","title":"Current report, items 2.02 and 9.01","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1315257/000156459020004951/0001564590-20-004951-index.htm","us_notice_code":"Form 8-K","us_title_en":"Current report, items 2.02 and 9.01","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"EX-99.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1315257/000156459020004951/kop-ex991_6.htm","primary":true,"translateUrl":null,"linkName":"kop-ex991_6.htm","type":"EX-99.1","id":"NTFILE44n5pARdeFa91ZD6","market":"us","size":308592},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1315257/000156459020004951/kop-8k_20200218.htm","primary":false,"translateUrl":null,"linkName":"kop-8k_20200218.htm","type":"8-K","id":"NTFILE4Bm1RZiEJCojbm7u","market":"us","size":31882},{"description":"GRAPHIC","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1315257/000156459020004951/g4nd5ev3bjgq000001.jpg","primary":false,"translateUrl":null,"linkName":"g4nd5ev3bjgq000001.jpg","type":"GRAPHIC","id":"NTFILE4a1cvm39qUjMT12q","market":"us","size":3291},{"description":"XBRL TAXONOMY EXTENSION SCHEMA","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1315257/000156459020004951/kop-20200218.xsd","primary":false,"translateUrl":null,"linkName":"kop-20200218.xsd","type":"EX-101.SCH","id":"NTFILE4UYdz99ja5qrFpBi","market":"us","size":5961},{"description":"XBRL TAXONOMY EXTENSION LABEL LINKBASE","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1315257/000156459020004951/kop-20200218_lab.xml","primary":false,"translateUrl":null,"linkName":"kop-20200218_lab.xml","type":"EX-101.LAB","id":"NTFILEGQf9FEn4BQZUKktB","market":"us","size":18717},{"description":"XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1315257/000156459020004951/kop-20200218_pre.xml","primary":false,"translateUrl":null,"linkName":"kop-20200218_pre.xml","type":"EX-101.PRE","id":"NTFILE2pxwxgB2Mwf9v8hR","market":"us","size":11168},{"description":"EXTRACTED XBRL INSTANCE DOCUMENT","seq":12,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1315257/000156459020004951/kop-8k_20200218_htm.xml","primary":false,"translateUrl":null,"linkName":"kop-8k_20200218_htm.xml","type":"XML","id":"NTFILE55qCWq3HST3Qoc1Z","market":"us","size":3388}],"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":"2020-02-18 00:00","pubTimestamp":1581955200,"title_zh":"Current report, items 2.02 and 9.01","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"9106209","market":"us","labels":[],"media":"sec.gov","original_id":"AN156459020004949-KOP","pdf_url":null,"pub_time":1581955200000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Current report, items 5.02, 8.01, and 9.01","symbol":"KOP","title":"Current report, items 5.02, 8.01, and 9.01","titleType":"Major Issues Report","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1315257/000156459020004949/0001564590-20-004949-index.htm","us_notice_code":"Form 8-K","us_title_en":"Current report, items 5.02, 8.01, and 9.01","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"EX-99.1","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1315257/000156459020004949/kop-ex991_6.htm","primary":true,"translateUrl":null,"linkName":"kop-ex991_6.htm","type":"EX-99.1","id":"NTFILEGJqBy6cqbT8yqy6y","market":"us","size":15134},{"description":"8-K","seq":2,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1315257/000156459020004949/kop-8k_20200218.htm","primary":false,"translateUrl":null,"linkName":"kop-8k_20200218.htm","type":"8-K","id":"NTFILE6FxngTF8iwN7dmxF","market":"us","size":35401},{"description":"GRAPHIC","seq":3,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1315257/000156459020004949/gm2s1dd0osgl000001.jpg","primary":false,"translateUrl":null,"linkName":"gm2s1dd0osgl000001.jpg","type":"GRAPHIC","id":"NTFILED3Z2z88QjAp2dCXe","market":"us","size":3291},{"description":"XBRL TAXONOMY EXTENSION SCHEMA","seq":4,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1315257/000156459020004949/kop-20200218.xsd","primary":false,"translateUrl":null,"linkName":"kop-20200218.xsd","type":"EX-101.SCH","id":"NTFILEEvy8gktnssvgwWXn","market":"us","size":5961},{"description":"XBRL TAXONOMY EXTENSION LABEL LINKBASE","seq":5,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1315257/000156459020004949/kop-20200218_lab.xml","primary":false,"translateUrl":null,"linkName":"kop-20200218_lab.xml","type":"EX-101.LAB","id":"NTFILE2sfFgZ1dSqFhL9bs","market":"us","size":18717},{"description":"XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE","seq":6,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1315257/000156459020004949/kop-20200218_pre.xml","primary":false,"translateUrl":null,"linkName":"kop-20200218_pre.xml","type":"EX-101.PRE","id":"NTFILEJ5Ax6k7bhXRMLnob","market":"us","size":11168},{"description":"EXTRACTED XBRL INSTANCE DOCUMENT","seq":14,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1315257/000156459020004949/kop-8k_20200218_htm.xml","primary":false,"translateUrl":null,"linkName":"kop-8k_20200218_htm.xml","type":"XML","id":"NTFILECxrPLLNKDWaRM6TM","market":"us","size":3388}],"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":"2020-02-18 00:00","pubTimestamp":1581955200,"title_zh":"Current report, items 5.02, 8.01, and 9.01","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0},{"cdn_pdf":false,"hasAttachments":true,"id":"9095706","market":"us","labels":[],"media":"sec.gov","original_id":"AN121390020003820-KOP","pdf_url":null,"pub_time":1581609600000,"showTitleType":true,"size":0,"source":"sec_us","summary":"Statement of acquisition of beneficial ownership by individuals","symbol":"KOP","title":"Statement of acquisition of beneficial ownership by individuals","titleType":"Beneficial Ownership Change","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1315257/000121390020003820/0001213900-20-003820-index.htm","us_notice_code":"Form SC 13G","us_title_en":"Statement of acquisition of beneficial ownership by individuals","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"SCHEDULE 13G","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1089755/000121390020003820/sc13g0220southernsun_kop.htm","primary":true,"translateUrl":null,"linkName":"sc13g0220southernsun_kop.htm","type":"SC 13G","id":"NTFILE46u54VMetyHDTdQ9","market":"us","size":35244}],"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":"2020-02-14 00:00","pubTimestamp":1581609600,"title_zh":"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":"9093631","market":"us","labels":[],"media":"sec.gov","original_id":"AN108232720000020-KOP","pdf_url":null,"pub_time":1581609600000,"showTitleType":true,"size":0,"source":"sec_us","summary":"[Amend] Statement of acquisition of beneficial ownership by individuals","symbol":"KOP","title":"[Amend] Statement of acquisition of beneficial ownership by individuals","titleType":"Beneficial Ownership Change","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1315257/000108232720000020/0001082327-20-000020-index.htm","us_notice_code":"Form SC 13G/A","us_title_en":"[Amend] Statement of acquisition of beneficial ownership by individuals","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1082327/000108232720000020/r13ga5-koppers20191231.txt","primary":true,"translateUrl":null,"linkName":"r13ga5-koppers20191231.txt","type":"SC 13G/A","id":"NTFILE3DwiEnLJX2VeNLnD","market":"us","size":5936}],"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":"2020-02-14 00:00","pubTimestamp":1581609600,"title_zh":"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":"9089604","market":"us","labels":[],"media":"sec.gov","original_id":"AN9375120000464-KOP","pdf_url":null,"pub_time":1581523200000,"showTitleType":true,"size":0,"source":"sec_us","summary":"[Amend] Statement of acquisition of beneficial ownership by individuals","symbol":"KOP","title":"[Amend] Statement of acquisition of beneficial ownership by individuals","titleType":"Beneficial Ownership Change","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1315257/000009375120000464/0000093751-20-000464-index.htm","us_notice_code":"Form SC 13G/A","us_title_en":"[Amend] Statement of acquisition of beneficial ownership by individuals","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/93751/000009375120000464/KoppersHoldingsInc.txt","primary":true,"translateUrl":null,"linkName":"KoppersHoldingsInc.txt","type":"SC 13G/A","id":"NTFILE86ZUqJAYpkpZJjuL","market":"us","size":6666}],"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":"2020-02-13 00:00","pubTimestamp":1581523200,"title_zh":"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":"9079927","market":"us","labels":[],"media":"sec.gov","original_id":"AN110465920017244-KOP","pdf_url":null,"pub_time":1581436800000,"showTitleType":true,"size":0,"source":"sec_us","summary":"[Amend] Statement of acquisition of beneficial ownership by individuals","symbol":"KOP","title":"[Amend] Statement of acquisition of beneficial ownership by individuals","titleType":"Beneficial Ownership Change","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1315257/000110465920017244/0001104659-20-017244-index.htm","us_notice_code":"Form SC 13G/A","us_title_en":"[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/102909/000110465920017244/tv0737-koppersholdingsinc.htm","primary":true,"translateUrl":null,"linkName":"tv0737-koppersholdingsinc.htm","type":"SC 13G/A","id":"NTFILE2V24nWqhcggtTM1o","market":"us","size":12135}],"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":"2020-02-12 00:00","pubTimestamp":1581436800,"title_zh":"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":"9050017","market":"us","labels":[],"media":"sec.gov","original_id":"AN83423720002279-KOP","pdf_url":null,"pub_time":1580745600000,"showTitleType":true,"size":0,"source":"sec_us","summary":"[Amend] Statement of acquisition of beneficial ownership by individuals","symbol":"KOP","title":"[Amend] Statement of acquisition of beneficial ownership by individuals","titleType":"Beneficial Ownership Change","type":"usAnnouncement","url":"https://www.sec.gov/Archives/edgar/data/1315257/000083423720002279/0000834237-20-002279-index.htm","us_notice_code":"Form SC 13G/A","us_title_en":"[Amend] Statement of acquisition of beneficial ownership by individuals","is_important":0,"hasEarnInfos":false,"gpt_zh_title":"","gpt_en_title":"","attachments":[{"description":"","seq":1,"linkUrl":"https://www.sec.gov/Archives/edgar/data/1315257/000083423720002279/us50060p1066_020320.txt","primary":true,"translateUrl":null,"linkName":"us50060p1066_020320.txt","type":"SC 13G/A","id":"NTFILEAYebxsd4ACZnDU2t","market":"us","size":11404}],"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":"2020-02-04 00:00","pubTimestamp":1580745600,"title_zh":"Amend] Statement of acquisition of beneficial ownership by individuals","summary_en":"","summary_zh":"","notice_type":"","filling_tag":"","gpt_icon":0}],"pageSize":20,"totalPage":10,"pageCount":8,"totalSize":199,"code":"91000000","status":"200"}]}}