Description of Business and Summary of Significant Accounting Policies - Other Insurance Liabilities, Current (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Description of Business and Summary of Significant Accounting Policies
Ceded reinsurance premiums payable	$ 77,051	$ 29,204
Commissions payable, reinsurers and agents	6,650	21,045
Advance premiums	10,383	8,668
Funds held under reinsurance treaty	1,715	1,851
General and accrued expenses payable	17,050	942
Other insurance liabilities, current	$ 112,849	$ 61,710