Schedule V - Valuation and Qualifying Accounts - (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Allowance for uncollectible reinsurance recoverable
Movement in Valuation Allowances and Reserves [Roll Forward]
Balance, beginning of period	$ 65	$ 0	$ 0
Valuation Allowances and Reserves, Additions for Charges to Cost and Expense	184	65	0
Deductions	0	0	0
Balance, end of period	249	65	0
Allowance for uncollectible premiums receivable
Movement in Valuation Allowances and Reserves [Roll Forward]
Balance, beginning of period	233	159	77
Valuation Allowances and Reserves, Additions for Charges to Cost and Expense		74	82
Deductions	(108)	0	0
Balance, end of period	$ 125	$ 233	$ 159