Allowance for Credit Losses - Reinsurance Recoverable (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2023 USD ($)
Reinsurance Recoverable, Allowance for Credit Loss [Roll Forward]
Beginning balance	$ 0
Cumulative effect of adoption of ASU 2016-13 at January 1, 2023	2,295
Current period change for estimated uncollectible reinsurance	0
Ending balance	2,295
Period of adoption, adjustment
Reinsurance Recoverable, Allowance for Credit Loss [Roll Forward]
Beginning balance	$ 2,295
Cumulative effect of adoption of ASU 2016-13 at January 1, 2023