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Reinsurance - Summary of Reinsurance Agreements (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Premiums Earned, Net [Abstract] |  |  |
Premiums earned, direct | $ 1,142,412 | $ 1,154,728 | $ 1,167,592
Premiums earned, assumed | 12,960 | 8,778 | 9,858
Premiums earned, ceded | (202,821) | (156,373) | (163,031)
Net premiums earned | 952,551 | 1,007,133 | 1,014,419
Policyholder Benefits and Claims Incurred, Net [Abstract] |  |  |
Losses incurred, direct | (5,200) | (274,072) | 74,496
Losses incurred, assumed | (33) | (330) | (57)
Net losses incurred | (20,856) | (254,565) | 64,577
Quota Share Reinsurance Transactions |  |  |
Premiums Earned, Net [Abstract] |  |  |
Premiums earned, ceded | (123,955) | (86,435) | (118,537)
Policyholder Benefits and Claims Incurred, Net [Abstract] |  |  |
Losses incurred, ceded | (15,623) | 19,837 | (9,862)
Profit commission | 133,145 | 176,084 | 153,759
Ceding commisisons | 50,397 | 52,071 | 53,460
Excess of Loss Reinsurance Transactions |  |  |
Premiums Earned, Net [Abstract] |  |  |
Premiums earned, ceded | $ (78,866) | $ (69,938) | $ (44,494)

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