Reinsurance - Schedule of Premiums Written and Earned Along with Losses and Settlement Expenses Incurred (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
WRITTEN
Direct	$ 1,986,046	$ 1,783,862	$ 1,531,656
Reinsurance assumed	27,002	22,798	33,830
Reinsurance ceded	(407,527)	(378,913)	(323,950)
Net	1,605,521	1,427,747	1,241,536
EARNED
Direct	1,895,065	1,671,044	1,425,165
Reinsurance assumed	26,170	28,375	35,680
Reinsurance ceded	(394,829)	(405,113)	(316,409)
Net	1,526,406	1,294,306	1,144,436
LOSSES AND SETTLEMENT EXPENSES INCURRED
Direct	954,952	840,255	776,448
Reinsurance assumed	7,945	10,228	22,813
Reinsurance ceded	(223,644)	(246,070)	(284,885)
Net	$ 739,253	$ 604,413	$ 514,376

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Amount, after effects of policies assumed or ceded, of expense related to the provision for policy benefits and costs incurred.

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