Description of Business and Summary of Significant Accounting Policies - Components of Other Insurance Liabilities, Current (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Description of Business and Summary of Significant Accounting Policies
Ceded reinsurance premiums payable	$ 39,162	$ 29,204
Commissions payable, reinsurers and agents	20,703	21,045
Advance premiums	15,537	8,668
Funds held under reinsurance treaty	1,875	1,851
General and accrued expenses payable	1,145	942
Other insurance liabilities, current	$ 78,422	$ 61,710