Deferred Policy Acquisition Costs - Activity in Deferred Policy Acquisition Costs (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Movement Analysis of Deferred Policy Acquisition Costs [Roll Forward]
Balance at beginning of period	$ 12,267	$ 12,243	$ 11,906
Deferred policy acquisition costs	20,202	28,475	26,442
Amortization of policy acquisition costs	(22,179)	(28,451)	(26,105)
Net change	(1,977)	24	337
Balance at end of period	$ 10,290	$ 12,267	$ 12,243