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Revenue - Disaggregation of Revenue By Distribution Channel Offering and Geographical Area (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2024 | Sep. 30, 2023 | Sep. 30, 2024 | Sep. 30, 2023
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue from customer contracts | $ 157,688 | $ 135,789 | $ 433,390 | $ 370,672
Earned premium | 165,686 | 139,785 | 474,917 | 384,498
Total revenue | 323,374 | 275,574 | 908,307 | 755,170
U.S. |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue from customer contracts | 146,305 | 125,972 | 402,351 | 343,920
Canada |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue from customer contracts | 8,112 | 7,544 | 22,900 | 20,783
Europe |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue from customer contracts | 3,271 | 2,273 | 8,139 | 5,969
Agent |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue from customer contracts | 63,854 | 56,212 | 182,606 | 156,552
Direct |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue from customer contracts | 93,834 | 79,577 | 250,784 | 214,120
Commission and fee revenue |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue from customer contracts | 116,161 | 103,173 | 333,817 | 287,972
Commission and fee revenue |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue from customer contracts | 105,463 | 81,775 | 301,334 | 227,275
Commission and fee revenue | U.S. |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue from customer contracts | 96,688 | 73,891 | 277,613 | 206,099
Commission and fee revenue | Canada |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue from customer contracts | 6,952 | 6,422 | 18,878 | 17,379
Commission and fee revenue | Europe |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue from customer contracts | 1,823 | 1,462 | 4,843 | 3,797
Commission and fee revenue | Agent |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue from customer contracts | 57,857 | 44,387 | 164,737 | 123,046
Commission and fee revenue | Direct |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue from customer contracts | 47,606 | 37,388 | 136,597 | 104,229
Contingent commission revenue |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue from customer contracts | 10,698 | 21,398 | 32,483 | 60,697
Contingent commission revenue | U.S. |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue from customer contracts | 10,544 | 21,360 | 32,235 | 60,590
Contingent commission revenue | Canada |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue from customer contracts | 0 | 0 | 0 | 0
Contingent commission revenue | Europe |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue from customer contracts | 154 | 38 | 248 | 107
Contingent commission revenue | Agent |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue from customer contracts | 5,997 | 11,825 | 17,869 | 33,506
Contingent commission revenue | Direct |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue from customer contracts | 4,701 | 9,573 | 14,614 | 27,191
Membership, marketplace and other revenue |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue from customer contracts | 41,527 | 32,616 | 99,573 | 82,700
Membership revenue |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue from customer contracts | 14,800 | 13,835 | 42,385 | 39,528
Membership revenue | U.S. |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue from customer contracts | 13,844 | 12,942 | 39,592 | 36,865
Membership revenue | Canada |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue from customer contracts | 955 | 893 | 2,792 | 2,663
Membership revenue | Europe |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue from customer contracts | 1 | 0 | 1 | 0
Membership revenue | Agent |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue from customer contracts | 0 | 0 | 0 | 0
Membership revenue | Direct |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue from customer contracts | 14,800 | 13,835 | 42,385 | 39,528
Marketplace and other revenue |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue from customer contracts | 26,727 | 18,781 | 57,188 | 43,172
Marketplace and other revenue | U.S. |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue from customer contracts | 25,229 | 17,779 | 52,911 | 40,366
Marketplace and other revenue | Canada |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue from customer contracts | 205 | 229 | 1,230 | 741
Marketplace and other revenue | Europe |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue from customer contracts | 1,293 | 773 | 3,047 | 2,065
Marketplace and other revenue | Agent |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue from customer contracts | 0 | 0 | 0 | 0
Marketplace and other revenue | Direct |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenue from customer contracts | $ 26,727 | $ 18,781 | $ 57,188 | $ 43,172

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