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Reinsurance - Summary of Reinsurance Agreements (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Premiums Earned, Net [Abstract] |  |  |
Premiums earned, direct | $ 1,154,728 | $ 1,167,592 | $ 1,199,824
Premiums earned, assumed | 8,778 | 9,858 | 10,848
Premiums earned, ceded | (156,373) | (163,031) | (188,729)
Net premiums earned | 1,007,133 | 1,014,419 | 1,021,943
Policyholder Benefits and Claims Incurred, Net [Abstract] |  |  |
Losses incurred, direct | (274,072) | 74,496 | 442,194
Losses incurred, assumed | (330) | (57) | 555
Net losses incurred | (254,565) | 64,577 | 364,774
Quota Share Reinsurance Transactions |  |  |
Premiums Earned, Net [Abstract] |  |  |
Premiums earned, ceded | (86,435) | (118,537) | (167,930)
Policyholder Benefits and Claims Incurred, Net [Abstract] |  |  |
Losses incurred, ceded | 19,837 | (9,862) | (77,975)
Profit commission | 176,084 | 153,759 | 72,425
Ceding commisisons | 52,071 | 53,460 | 48,077
Excess of Loss Reinsurance Transactions |  |  |
Premiums Earned, Net [Abstract] |  |  |
Premiums earned, ceded | $ (69,938) | $ (44,494) | $ (20,799)

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