CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS (Unaudited) (Parenthetical) - USD ($) $ in Thousands |
1 Months Ended | 3 Months Ended | 9 Months Ended | 12 Months Ended | ||||
|---|---|---|---|---|---|---|---|---|
Jan. 07, 2021 |
Jan. 31, 2021 |
Sep. 30, 2021 |
Sep. 30, 2020 |
Sep. 30, 2021 |
Sep. 30, 2020 |
Dec. 31, 2020 |
Dec. 31, 2019 |
|
| Income Statement [Abstract] | ||||||||
| Net of ceded premiums | $ 120 | $ 126 | $ 370 | $ 383 | $ 599 | $ 832 | ||
| Common stock exchange ratio | 206.81% | 206.81% | 206.81% | |||||
| Common Class B | ||||||||
| Common stock exchange ratio | 206.81% | 206.81% | ||||||