Liability for Unpaid Claims and Claim Adjustment Expenses - Schedule Showing the Reconciliation of Short Duration Contracts to Total Losses Incurred (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Insurance [Abstract]
Short duration incurred	$ 252,906	$ 177,450	$ 150,094
Other lines incurred	(284)	27	184
Unallocated loss adjustment expenses	851	771	731
Total losses incurred	$ 253,473	$ 178,248	$ 151,009