Description of Business and Summary of Significant Accounting Policies - Other Insurance Liabilities, Current (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Accounting Policies [Abstract]
Ceded reinsurance premiums payable	$ 15,585	$ 10,500
Commissions payable, reinsurers and agents	4,410	4,650
Advance premiums	9,765	5,975
Funds held under reinsurance treaty	9,349	9,820
General and accrued expenses payable	1,633	640
Other insurance liabilities, current	$ 40,742	$ 31,585