Loss and Loss Adjustment Expense Reserves - Reconciliation of the reserve balances for losses and LAE (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Liability for Unpaid Claims and Claims Adjustment Expense [Roll Forward]
Balance at beginning of period	$ 57,093	$ 52,222
Less reinsurance recoverable	(33,941)	(28,837)
Net balance at beginning of period	23,152	23,385
Incurred related to:
Current year	216,785
Total incurred	88,467	21,208
Paid related to:
Current year	45,640	6,425
Prior years	(7,636)	14,741
Total paid	38,004	21,166
Net balance at end of period	73,438	23,152
Plus reinsurance recoverable	0	33,941
Balance at end of period	73,438	57,093
Property, Liability and Casualty Insurance Product Line
Incurred related to:
Current year	88,640	16,140
Prior years	(350)	4,793
Total incurred	$ 88,290	$ 20,933