Deferred Policy Acquisition Costs - Activity in Deferred Policy Acquisition Costs (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Movement Analysis of Deferred Policy Acquisition Costs [Roll Forward]
Balance at beginning of period	$ 10,747	$ 13,121	$ 12,267	$ 12,243
Deferred policy acquisition costs	5,966	7,663	15,635	22,187
Amortization of policy acquisition costs	(6,230)	(7,173)	(17,419)	(20,819)
Net change	(264)	490	(1,784)	1,368
Balance at end of period	$ 10,483	$ 13,611	$ 10,483	$ 13,611