Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001669162-22-000029-index-headers.html | 2022-07-28 16:16:07 | |
| 0001669162-22-000029-index.html | 2022-07-28 16:16:07 | |
| 0001669162-22-000029.txt | 2022-07-28 16:16:07 | |
 0001669162-22-000029-xbrl.zip | 248883 | 2022-07-28 16:16:07 |
| FilingSummary.xml | 36506 | 2022-07-28 16:16:07 |
| Financial_Report.xlsx | 87486 | 2022-07-28 16:16:07 |
| knsl-20220630.htm | 1907646 | 2022-07-28 16:16:07 |
| knsl-20220630.xsd | 34215 | 2022-07-28 16:16:07 |
| knsl-20220630_cal.xml | 71499 | 2022-07-28 16:16:07 |
| knsl-20220630_def.xml | 187524 | 2022-07-28 16:16:07 |
| knsl-20220630_htm.xml | 1578458 | 2022-07-28 16:16:07 |
| knsl-20220630_lab.xml | 537492 | 2022-07-28 16:16:07 |
| knsl-20220630_pre.xml | 366929 | 2022-07-28 16:16:07 |
| knslexhibit31106302022.htm | 10366 | 2022-07-28 16:16:07 |
| knslexhibit31206302022.htm | 10401 | 2022-07-28 16:16:07 |
| knslexhibit32106302022.htm | 4992 | 2022-07-28 16:16:07 |
| knslexhibit32206302022.htm | 5030 | 2022-07-28 16:16:07 |
| MetaLinks.json | 596885 | 2022-07-28 16:16:07 |
| R1.htm | 53883 | 2022-07-28 16:16:07 |
| R10.htm | 75586 | 2022-07-28 16:16:07 |
| R11.htm | 24875 | 2022-07-28 16:16:07 |
| R12.htm | 20364 | 2022-07-28 16:16:07 |
| R13.htm | 19290 | 2022-07-28 16:16:07 |
| R14.htm | 37985 | 2022-07-28 16:16:07 |
| R15.htm | 28739 | 2022-07-28 16:16:07 |
| R16.htm | 7564 | 2022-07-28 16:16:07 |
| R17.htm | 25175 | 2022-07-28 16:16:07 |
| R18.htm | 40007 | 2022-07-28 16:16:07 |
| R19.htm | 10196 | 2022-07-28 16:16:07 |
| R2.htm | 89877 | 2022-07-28 16:16:07 |
| R20.htm | 26824 | 2022-07-28 16:16:07 |
| R21.htm | 9670 | 2022-07-28 16:16:07 |
| R22.htm | 11481 | 2022-07-28 16:16:07 |
| R23.htm | 170850 | 2022-07-28 16:16:07 |
| R24.htm | 68741 | 2022-07-28 16:16:07 |
| R25.htm | 25575 | 2022-07-28 16:16:07 |
| R26.htm | 19573 | 2022-07-28 16:16:07 |
| R27.htm | 18457 | 2022-07-28 16:16:07 |
| R28.htm | 35521 | 2022-07-28 16:16:07 |
| R29.htm | 27841 | 2022-07-28 16:16:07 |
| R3.htm | 16275 | 2022-07-28 16:16:07 |
| R30.htm | 24332 | 2022-07-28 16:16:07 |
| R31.htm | 42074 | 2022-07-28 16:16:07 |
| R32.htm | 25418 | 2022-07-28 16:16:07 |
| R33.htm | 31403 | 2022-07-28 16:16:07 |
| R34.htm | 43651 | 2022-07-28 16:16:07 |
| R35.htm | 19648 | 2022-07-28 16:16:07 |
| R36.htm | 45543 | 2022-07-28 16:16:07 |
| R37.htm | 18585 | 2022-07-28 16:16:07 |
| R38.htm | 20067 | 2022-07-28 16:16:07 |
| R39.htm | 5601 | 2022-07-28 16:16:07 |
| R4.htm | 92219 | 2022-07-28 16:16:07 |
| R40.htm | 6094 | 2022-07-28 16:16:07 |
| R41.htm | 89154 | 2022-07-28 16:16:07 |
| R42.htm | 10684 | 2022-07-28 16:16:07 |
| R43.htm | 20619 | 2022-07-28 16:16:07 |
| R44.htm | 26921 | 2022-07-28 16:16:07 |
| R45.htm | 13317 | 2022-07-28 16:16:07 |
| R46.htm | 9618 | 2022-07-28 16:16:07 |
| R47.htm | 19309 | 2022-07-28 16:16:07 |
| R48.htm | 32906 | 2022-07-28 16:16:07 |
| R49.htm | 16718 | 2022-07-28 16:16:07 |
| R5.htm | 66645 | 2022-07-28 16:16:07 |
| R50.htm | 53548 | 2022-07-28 16:16:07 |
| R51.htm | 50045 | 2022-07-28 16:16:07 |
| R52.htm | 7168 | 2022-07-28 16:16:07 |
| R53.htm | 7074 | 2022-07-28 16:16:07 |
| R54.htm | 29963 | 2022-07-28 16:16:07 |
| R55.htm | 9610 | 2022-07-28 16:16:07 |
| R56.htm | 31928 | 2022-07-28 16:16:07 |
| R57.htm | 17974 | 2022-07-28 16:16:07 |
| R58.htm | 26099 | 2022-07-28 16:16:07 |
| R59.htm | 34938 | 2022-07-28 16:16:07 |
| R6.htm | 4768 | 2022-07-28 16:16:07 |
| R7.htm | 42834 | 2022-07-28 16:16:07 |
| R8.htm | 7164 | 2022-07-28 16:16:07 |
| R9.htm | 171231 | 2022-07-28 16:16:07 |
| report.css | 2767 | 2022-07-28 16:16:07 |
| Show.js | 1085 | 2022-07-28 16:16:07 |