Reinsurance - Allowance for Credit Loss on Reinsurance Recoverable (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Reinsurance Disclosures [Abstract]
Balance, beginning of period	$ 3,083	$ 7,363	$ 2,942	$ 7,144
Current period provision for expected credit losses	51	291	192	510
Less: Recoveries from expected credit losses previously recorded	(170)		(170)
Balance, at the end of period	$ 2,964	$ 7,654	$ 2,964	$ 7,654