Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000084246-20-000010-index-headers.html | 2020-02-21 17:06:05 | |
| 0000084246-20-000010-index.html | 2020-02-21 17:06:05 | |
| 0000084246-20-000010.txt | 2020-02-21 17:06:05 | |
 0000084246-20-000010-xbrl.zip | 780339 | 2020-02-21 17:06:05 |
| FilingSummary.xml | 55473 | 2020-02-21 17:06:05 |
| Financial_Report.xlsx | 184084 | 2020-02-21 17:06:05 |
| MetaLinks.json | 1081097 | 2020-02-21 17:06:05 |
| R1.htm | 58869 | 2020-02-21 17:06:05 |
| R10.htm | 49758 | 2020-02-21 17:06:05 |
| R11.htm | 7516 | 2020-02-21 17:06:05 |
| R12.htm | 126541 | 2020-02-21 17:06:05 |
| R13.htm | 1580745 | 2020-02-21 17:06:05 |
| R14.htm | 129215 | 2020-02-21 17:06:05 |
| R15.htm | 152175 | 2020-02-21 17:06:05 |
| R16.htm | 23898 | 2020-02-21 17:06:05 |
| R17.htm | 6759 | 2020-02-21 17:06:05 |
| R18.htm | 58580 | 2020-02-21 17:06:05 |
| R19.htm | 201297 | 2020-02-21 17:06:05 |
| R2.htm | 85315 | 2020-02-21 17:06:05 |
| R20.htm | 84154 | 2020-02-21 17:06:05 |
| R21.htm | 75473 | 2020-02-21 17:06:05 |
| R22.htm | 214703 | 2020-02-21 17:06:05 |
| R23.htm | 216468 | 2020-02-21 17:06:05 |
| R24.htm | 112995 | 2020-02-21 17:06:05 |
| R25.htm | 36295 | 2020-02-21 17:06:05 |
| R26.htm | 66305 | 2020-02-21 17:06:05 |
| R27.htm | 292222 | 2020-02-21 17:06:05 |
| R28.htm | 172241 | 2020-02-21 17:06:05 |
| R29.htm | 602319 | 2020-02-21 17:06:05 |
| R3.htm | 23668 | 2020-02-21 17:06:05 |
| R30.htm | 50321 | 2020-02-21 17:06:05 |
| R31.htm | 121759 | 2020-02-21 17:06:05 |
| R32.htm | 1563016 | 2020-02-21 17:06:05 |
| R33.htm | 121524 | 2020-02-21 17:06:05 |
| R34.htm | 130296 | 2020-02-21 17:06:05 |
| R35.htm | 15440 | 2020-02-21 17:06:05 |
| R36.htm | 57119 | 2020-02-21 17:06:05 |
| R37.htm | 198181 | 2020-02-21 17:06:05 |
| R38.htm | 83936 | 2020-02-21 17:06:05 |
| R39.htm | 23621 | 2020-02-21 17:06:05 |
| R4.htm | 78813 | 2020-02-21 17:06:05 |
| R40.htm | 16630 | 2020-02-21 17:06:05 |
| R41.htm | 10550 | 2020-02-21 17:06:05 |
| R42.htm | 61209 | 2020-02-21 17:06:05 |
| R43.htm | 42989 | 2020-02-21 17:06:05 |
| R44.htm | 38155 | 2020-02-21 17:06:05 |
| R45.htm | 67499 | 2020-02-21 17:06:05 |
| R46.htm | 5482 | 2020-02-21 17:06:05 |
| R47.htm | 13786 | 2020-02-21 17:06:05 |
| R48.htm | 21026 | 2020-02-21 17:06:05 |
| R49.htm | 38236 | 2020-02-21 17:06:05 |
| R5.htm | 40634 | 2020-02-21 17:06:05 |
| R50.htm | 23508 | 2020-02-21 17:06:05 |
| R51.htm | 59671 | 2020-02-21 17:06:05 |
| R52.htm | 33342 | 2020-02-21 17:06:05 |
| R53.htm | 56863 | 2020-02-21 17:06:05 |
| R54.htm | 70058 | 2020-02-21 17:06:05 |
| R55.htm | 17276 | 2020-02-21 17:06:05 |
| R56.htm | 22284 | 2020-02-21 17:06:05 |
| R57.htm | 28821 | 2020-02-21 17:06:05 |
| R58.htm | 32432 | 2020-02-21 17:06:05 |
| R59.htm | 43807 | 2020-02-21 17:06:05 |
| R6.htm | 6599 | 2020-02-21 17:06:05 |
| R60.htm | 82659 | 2020-02-21 17:06:05 |
| R61.htm | 42312 | 2020-02-21 17:06:05 |
| R62.htm | 326005 | 2020-02-21 17:06:05 |
| R63.htm | 52329 | 2020-02-21 17:06:05 |
| R64.htm | 41877 | 2020-02-21 17:06:05 |
| R65.htm | 53711 | 2020-02-21 17:06:05 |
| R66.htm | 23206 | 2020-02-21 17:06:05 |
| R67.htm | 119444 | 2020-02-21 17:06:05 |
| R68.htm | 29505 | 2020-02-21 17:06:05 |
| R69.htm | 125184 | 2020-02-21 17:06:05 |
| R7.htm | 102304 | 2020-02-21 17:06:05 |
| R70.htm | 34331 | 2020-02-21 17:06:05 |
| R71.htm | 10193 | 2020-02-21 17:06:05 |
| R72.htm | 32912 | 2020-02-21 17:06:05 |
| R73.htm | 37665 | 2020-02-21 17:06:05 |
| R74.htm | 82690 | 2020-02-21 17:06:05 |
| R75.htm | 60240 | 2020-02-21 17:06:05 |
| R76.htm | 31071 | 2020-02-21 17:06:05 |
| R77.htm | 46007 | 2020-02-21 17:06:05 |
| R78.htm | 76349 | 2020-02-21 17:06:05 |
| R79.htm | 23229 | 2020-02-21 17:06:05 |
| R8.htm | 250140 | 2020-02-21 17:06:05 |
| R80.htm | 63276 | 2020-02-21 17:06:05 |
| R81.htm | 110897 | 2020-02-21 17:06:05 |
| R82.htm | 41552 | 2020-02-21 17:06:05 |
| R83.htm | 37551 | 2020-02-21 17:06:05 |
| R84.htm | 10323 | 2020-02-21 17:06:05 |
| R85.htm | 29936 | 2020-02-21 17:06:05 |
| R9.htm | 611975 | 2020-02-21 17:06:05 |
| report.css | 2767 | 2020-02-21 17:06:05 |
| rli-20191231.xsd | 94640 | 2020-02-21 17:06:05 |
| rli-20191231ex101ab81a9.htm | 140982 | 2020-02-21 17:06:05 |
| rli-20191231ex102529724.htm | 153923 | 2020-02-21 17:06:05 |
| rli-20191231ex10323c0fd.htm | 301618 | 2020-02-21 17:06:05 |
| rli-20191231ex10792ddc2.htm | 48340 | 2020-02-21 17:06:05 |
| rli-20191231ex2114daf94.htm | 25978 | 2020-02-21 17:06:05 |
| rli-20191231ex23179b107.htm | 4409 | 2020-02-21 17:06:05 |
| rli-20191231ex31124595b.htm | 12508 | 2020-02-21 17:06:05 |
| rli-20191231ex312d13063.htm | 11870 | 2020-02-21 17:06:05 |
| rli-20191231ex321c495f5.htm | 7318 | 2020-02-21 17:06:05 |
| rli-20191231ex322d663e9.htm | 7306 | 2020-02-21 17:06:05 |
| rli-20191231ex43cc68d1e.htm | 24898 | 2020-02-21 17:06:05 |
| rli-20191231x10k.htm | 8633741 | 2020-02-21 17:06:05 |
 rli-20191231x10k005.jpg | 27960 | 2020-02-21 17:06:05 |
| rli-20191231x10k_htm.xml | 10132790 | 2020-02-21 17:06:05 |
| rli-20191231_cal.xml | 161703 | 2020-02-21 17:06:05 |
| rli-20191231_def.xml | 440635 | 2020-02-21 17:06:05 |
| rli-20191231_lab.xml | 991921 | 2020-02-21 17:06:05 |
| rli-20191231_pre.xml | 774035 | 2020-02-21 17:06:05 |
| Show.js | 1085 | 2020-02-21 17:06:05 |