Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001691421-23-000112-index-headers.html | 2023-11-03 12:57:03 | |
| 0001691421-23-000112-index.html | 2023-11-03 12:57:03 | |
| 0001691421-23-000112.txt | 2023-11-03 12:57:03 | |
 0001691421-23-000112-xbrl.zip | 270849 | 2023-11-03 12:57:03 |
| exhibit101-transitionletter.htm | 7742 | 2023-11-03 12:57:03 |
| FilingSummary.xml | 38713 | 2023-11-03 12:57:03 |
| Financial_Report.xlsx | 102728 | 2023-11-03 12:57:03 |
| lmnd-20230930.htm | 1587509 | 2023-11-03 12:57:03 |
| lmnd-20230930.xsd | 49509 | 2023-11-03 12:57:03 |
| lmnd-20230930x10qxex311.htm | 10971 | 2023-11-03 12:57:03 |
| lmnd-20230930x10qxex312.htm | 10962 | 2023-11-03 12:57:03 |
| lmnd-20230930x10qxex313.htm | 10617 | 2023-11-03 12:57:03 |
| lmnd-20230930x10qxex321.htm | 5349 | 2023-11-03 12:57:03 |
| lmnd-20230930x10qxex322.htm | 5056 | 2023-11-03 12:57:03 |
| lmnd-20230930x10qxex323.htm | 5400 | 2023-11-03 12:57:03 |
| lmnd-20230930_cal.xml | 91655 | 2023-11-03 12:57:03 |
| lmnd-20230930_def.xml | 282718 | 2023-11-03 12:57:03 |
| lmnd-20230930_htm.xml | 1301671 | 2023-11-03 12:57:03 |
| lmnd-20230930_lab.xml | 792522 | 2023-11-03 12:57:03 |
| lmnd-20230930_pre.xml | 502491 | 2023-11-03 12:57:03 |
| MetaLinks.json | 910421 | 2023-11-03 12:57:03 |
| R1.htm | 55906 | 2023-11-03 12:57:03 |
| R10.htm | 13148 | 2023-11-03 12:57:03 |
| R11.htm | 48092 | 2023-11-03 12:57:03 |
| R12.htm | 110861 | 2023-11-03 12:57:03 |
| R13.htm | 61115 | 2023-11-03 12:57:03 |
| R14.htm | 33174 | 2023-11-03 12:57:03 |
| R15.htm | 9651 | 2023-11-03 12:57:03 |
| R16.htm | 22092 | 2023-11-03 12:57:03 |
| R17.htm | 14746 | 2023-11-03 12:57:03 |
| R18.htm | 77285 | 2023-11-03 12:57:03 |
| R19.htm | 8229 | 2023-11-03 12:57:03 |
| R2.htm | 96599 | 2023-11-03 12:57:03 |
| R20.htm | 27763 | 2023-11-03 12:57:03 |
| R21.htm | 8961 | 2023-11-03 12:57:03 |
| R22.htm | 8999 | 2023-11-03 12:57:03 |
| R23.htm | 77263 | 2023-11-03 12:57:03 |
| R24.htm | 15908 | 2023-11-03 12:57:03 |
| R25.htm | 8480 | 2023-11-03 12:57:03 |
| R26.htm | 15021 | 2023-11-03 12:57:03 |
| R27.htm | 20321 | 2023-11-03 12:57:03 |
| R28.htm | 46323 | 2023-11-03 12:57:03 |
| R29.htm | 113903 | 2023-11-03 12:57:03 |
| R3.htm | 18987 | 2023-11-03 12:57:03 |
| R30.htm | 58807 | 2023-11-03 12:57:03 |
| R31.htm | 24081 | 2023-11-03 12:57:03 |
| R32.htm | 21778 | 2023-11-03 12:57:03 |
| R33.htm | 73087 | 2023-11-03 12:57:03 |
| R34.htm | 29029 | 2023-11-03 12:57:03 |
| R35.htm | 73367 | 2023-11-03 12:57:03 |
| R36.htm | 4299 | 2023-11-03 12:57:03 |
| R37.htm | 11608 | 2023-11-03 12:57:03 |
| R38.htm | 18943 | 2023-11-03 12:57:03 |
| R39.htm | 21885 | 2023-11-03 12:57:03 |
| R4.htm | 87060 | 2023-11-03 12:57:03 |
| R40.htm | 52341 | 2023-11-03 12:57:03 |
| R41.htm | 15038 | 2023-11-03 12:57:03 |
| R42.htm | 7032 | 2023-11-03 12:57:03 |
| R43.htm | 23948 | 2023-11-03 12:57:03 |
| R44.htm | 17180 | 2023-11-03 12:57:03 |
| R45.htm | 27228 | 2023-11-03 12:57:03 |
| R46.htm | 18463 | 2023-11-03 12:57:03 |
| R47.htm | 32831 | 2023-11-03 12:57:03 |
| R48.htm | 42433 | 2023-11-03 12:57:03 |
| R49.htm | 7641 | 2023-11-03 12:57:03 |
| R5.htm | 69481 | 2023-11-03 12:57:03 |
| R50.htm | 29554 | 2023-11-03 12:57:03 |
| R51.htm | 47766 | 2023-11-03 12:57:03 |
| R52.htm | 27436 | 2023-11-03 12:57:03 |
| R53.htm | 27920 | 2023-11-03 12:57:03 |
| R54.htm | 41234 | 2023-11-03 12:57:03 |
| R55.htm | 83483 | 2023-11-03 12:57:03 |
| R56.htm | 20686 | 2023-11-03 12:57:03 |
| R57.htm | 52467 | 2023-11-03 12:57:03 |
| R58.htm | 26543 | 2023-11-03 12:57:03 |
| R59.htm | 27441 | 2023-11-03 12:57:03 |
| R6.htm | 99636 | 2023-11-03 12:57:03 |
| R60.htm | 8515 | 2023-11-03 12:57:03 |
| R61.htm | 31852 | 2023-11-03 12:57:03 |
| R62.htm | 16511 | 2023-11-03 12:57:03 |
| R63.htm | 30026 | 2023-11-03 12:57:03 |
| R64.htm | 19630 | 2023-11-03 12:57:03 |
| R65.htm | 51983 | 2023-11-03 12:57:03 |
| R7.htm | 5614 | 2023-11-03 12:57:03 |
| R8.htm | 7703 | 2023-11-03 12:57:03 |
| R9.htm | 5329 | 2023-11-03 12:57:03 |
| report.css | 2767 | 2023-11-03 12:57:03 |
| Show.js | 1085 | 2023-11-03 12:57:03 |