Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001025996-22-000074-index-headers.html | 2022-02-10 17:01:01 | |
| 0001025996-22-000074-index.html | 2022-02-10 17:01:01 | |
| 0001025996-22-000074.txt | 2022-02-10 17:01:01 | |
 0001025996-22-000074-xbrl.zip | 1413373 | 2022-02-10 17:01:01 |
| exhibit211.htm | 42598 | 2022-02-10 17:01:01 |
| exhibit212.htm | 41454 | 2022-02-10 17:01:01 |
| exhibit231.htm | 2498 | 2022-02-10 17:01:01 |
| exhibit232.htm | 2516 | 2022-02-10 17:01:01 |
| exhibit311.htm | 9993 | 2022-02-10 17:01:01 |
| exhibit312.htm | 9918 | 2022-02-10 17:01:01 |
| exhibit313.htm | 10302 | 2022-02-10 17:01:01 |
| exhibit314.htm | 10156 | 2022-02-10 17:01:01 |
| exhibit321.htm | 5405 | 2022-02-10 17:01:01 |
| exhibit322.htm | 5472 | 2022-02-10 17:01:01 |
| exhibit323.htm | 5869 | 2022-02-10 17:01:01 |
| exhibit324.htm | 5934 | 2022-02-10 17:01:01 |
| FilingSummary.xml | 76781 | 2022-02-10 17:01:01 |
| Financial_Report.xlsx | 221160 | 2022-02-10 17:01:01 |
| krc-20211231.htm | 6051495 | 2022-02-10 17:01:01 |
| krc-20211231.xsd | 154833 | 2022-02-10 17:01:01 |
| krc-20211231_cal.xml | 125716 | 2022-02-10 17:01:01 |
| krc-20211231_def.xml | 838006 | 2022-02-10 17:01:01 |
 krc-20211231_g1.jpg | 585996 | 2022-02-10 17:01:01 |
 krc-20211231_g2.jpg | 340936 | 2022-02-10 17:01:01 |
 krc-20211231_g3.jpg | 31470 | 2022-02-10 17:01:01 |
 krc-20211231_g4.jpg | 76831 | 2022-02-10 17:01:01 |
| krc-20211231_htm.xml | 4469736 | 2022-02-10 17:01:01 |
| krc-20211231_lab.xml | 1348981 | 2022-02-10 17:01:01 |
| krc-20211231_pre.xml | 1033151 | 2022-02-10 17:01:01 |
| MetaLinks.json | 1197075 | 2022-02-10 17:01:01 |
| R1.htm | 75114 | 2022-02-10 17:01:01 |
| R10.htm | 4311 | 2022-02-10 17:01:01 |
| R100.htm | 36504 | 2022-02-10 17:01:01 |
| R101.htm | 10641 | 2022-02-10 17:01:01 |
| R102.htm | 14521 | 2022-02-10 17:01:01 |
| R103.htm | 40356 | 2022-02-10 17:01:01 |
| R104.htm | 46990 | 2022-02-10 17:01:01 |
| R105.htm | 28969 | 2022-02-10 17:01:01 |
| R106.htm | 12846 | 2022-02-10 17:01:01 |
| R107.htm | 32569 | 2022-02-10 17:01:01 |
| R108.htm | 16048 | 2022-02-10 17:01:01 |
| R109.htm | 12884 | 2022-02-10 17:01:01 |
| R11.htm | 29493 | 2022-02-10 17:01:01 |
| R110.htm | 25661 | 2022-02-10 17:01:01 |
| R111.htm | 19755 | 2022-02-10 17:01:01 |
| R112.htm | 16838 | 2022-02-10 17:01:01 |
| R113.htm | 695474 | 2022-02-10 17:01:01 |
| R114.htm | 34618 | 2022-02-10 17:01:01 |
| R115.htm | 17305 | 2022-02-10 17:01:01 |
| R116.htm | 15493 | 2022-02-10 17:01:01 |
| R12.htm | 90894 | 2022-02-10 17:01:01 |
| R13.htm | 34125 | 2022-02-10 17:01:01 |
| R14.htm | 28993 | 2022-02-10 17:01:01 |
| R15.htm | 59538 | 2022-02-10 17:01:01 |
| R16.htm | 18741 | 2022-02-10 17:01:01 |
| R17.htm | 11326 | 2022-02-10 17:01:01 |
| R18.htm | 10890 | 2022-02-10 17:01:01 |
| R19.htm | 166783 | 2022-02-10 17:01:01 |
| R2.htm | 10369 | 2022-02-10 17:01:01 |
| R20.htm | 18245 | 2022-02-10 17:01:01 |
| R21.htm | 11438 | 2022-02-10 17:01:01 |
| R22.htm | 11466 | 2022-02-10 17:01:01 |
| R23.htm | 38324 | 2022-02-10 17:01:01 |
| R24.htm | 34705 | 2022-02-10 17:01:01 |
| R25.htm | 113987 | 2022-02-10 17:01:01 |
| R26.htm | 8477 | 2022-02-10 17:01:01 |
| R27.htm | 20641 | 2022-02-10 17:01:01 |
| R28.htm | 32325 | 2022-02-10 17:01:01 |
| R29.htm | 28610 | 2022-02-10 17:01:01 |
| R3.htm | 135335 | 2022-02-10 17:01:01 |
| R30.htm | 28507 | 2022-02-10 17:01:01 |
| R31.htm | 54210 | 2022-02-10 17:01:01 |
| R32.htm | 87992 | 2022-02-10 17:01:01 |
| R33.htm | 88020 | 2022-02-10 17:01:01 |
| R34.htm | 38614 | 2022-02-10 17:01:01 |
| R35.htm | 6131 | 2022-02-10 17:01:01 |
| R36.htm | 22835 | 2022-02-10 17:01:01 |
| R37.htm | 593015 | 2022-02-10 17:01:01 |
| R38.htm | 133803 | 2022-02-10 17:01:01 |
| R39.htm | 20647 | 2022-02-10 17:01:01 |
| R4.htm | 20852 | 2022-02-10 17:01:01 |
| R40.htm | 8371 | 2022-02-10 17:01:01 |
| R41.htm | 34229 | 2022-02-10 17:01:01 |
| R42.htm | 30446 | 2022-02-10 17:01:01 |
| R43.htm | 63394 | 2022-02-10 17:01:01 |
| R44.htm | 19524 | 2022-02-10 17:01:01 |
| R45.htm | 11962 | 2022-02-10 17:01:01 |
| R46.htm | 156509 | 2022-02-10 17:01:01 |
| R47.htm | 19200 | 2022-02-10 17:01:01 |
| R48.htm | 34104 | 2022-02-10 17:01:01 |
| R49.htm | 64687 | 2022-02-10 17:01:01 |
| R5.htm | 105140 | 2022-02-10 17:01:01 |
| R50.htm | 105047 | 2022-02-10 17:01:01 |
| R51.htm | 21187 | 2022-02-10 17:01:01 |
| R52.htm | 24113 | 2022-02-10 17:01:01 |
| R53.htm | 30067 | 2022-02-10 17:01:01 |
| R54.htm | 26906 | 2022-02-10 17:01:01 |
| R55.htm | 51276 | 2022-02-10 17:01:01 |
| R56.htm | 91569 | 2022-02-10 17:01:01 |
| R57.htm | 125822 | 2022-02-10 17:01:01 |
| R58.htm | 40567 | 2022-02-10 17:01:01 |
| R59.htm | 27004 | 2022-02-10 17:01:01 |
| R6.htm | 106986 | 2022-02-10 17:01:01 |
| R60.htm | 62805 | 2022-02-10 17:01:01 |
| R61.htm | 73466 | 2022-02-10 17:01:01 |
| R62.htm | 34655 | 2022-02-10 17:01:01 |
| R63.htm | 30681 | 2022-02-10 17:01:01 |
| R64.htm | 8760 | 2022-02-10 17:01:01 |
| R65.htm | 47816 | 2022-02-10 17:01:01 |
| R66.htm | 7164 | 2022-02-10 17:01:01 |
| R67.htm | 30224 | 2022-02-10 17:01:01 |
| R68.htm | 55489 | 2022-02-10 17:01:01 |
| R69.htm | 18250 | 2022-02-10 17:01:01 |
| R7.htm | 4632 | 2022-02-10 17:01:01 |
| R70.htm | 10491 | 2022-02-10 17:01:01 |
| R71.htm | 10899 | 2022-02-10 17:01:01 |
| R72.htm | 29850 | 2022-02-10 17:01:01 |
| R73.htm | 44037 | 2022-02-10 17:01:01 |
| R74.htm | 83697 | 2022-02-10 17:01:01 |
| R75.htm | 12349 | 2022-02-10 17:01:01 |
| R76.htm | 30561 | 2022-02-10 17:01:01 |
| R77.htm | 36850 | 2022-02-10 17:01:01 |
| R78.htm | 11658 | 2022-02-10 17:01:01 |
| R79.htm | 10482 | 2022-02-10 17:01:01 |
| R8.htm | 116338 | 2022-02-10 17:01:01 |
| R80.htm | 22537 | 2022-02-10 17:01:01 |
| R81.htm | 38187 | 2022-02-10 17:01:01 |
| R82.htm | 6848 | 2022-02-10 17:01:01 |
| R83.htm | 49878 | 2022-02-10 17:01:01 |
| R84.htm | 41156 | 2022-02-10 17:01:01 |
| R85.htm | 15934 | 2022-02-10 17:01:01 |
| R86.htm | 49421 | 2022-02-10 17:01:01 |
| R87.htm | 8750 | 2022-02-10 17:01:01 |
| R88.htm | 58037 | 2022-02-10 17:01:01 |
| R89.htm | 37483 | 2022-02-10 17:01:01 |
| R9.htm | 98598 | 2022-02-10 17:01:01 |
| R90.htm | 31205 | 2022-02-10 17:01:01 |
| R91.htm | 52856 | 2022-02-10 17:01:01 |
| R92.htm | 18459 | 2022-02-10 17:01:01 |
| R93.htm | 55663 | 2022-02-10 17:01:01 |
| R94.htm | 35802 | 2022-02-10 17:01:01 |
| R95.htm | 19693 | 2022-02-10 17:01:01 |
| R96.htm | 19454 | 2022-02-10 17:01:01 |
| R97.htm | 11432 | 2022-02-10 17:01:01 |
| R98.htm | 16734 | 2022-02-10 17:01:01 |
| R99.htm | 24045 | 2022-02-10 17:01:01 |
| report.css | 2768 | 2022-02-10 17:01:01 |
| Show.js | 1086 | 2022-02-10 17:01:01 |