Allowance for Expected Credit Losses, Reinsurance Recoverables (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Reinsurance Recoverables, Net of Allowance for Expected Credit Losses [Abstract]
Balance, beginning of period	$ 21,103	$ 25,913
Balance, end of period	20,935	24,916
Allowance for Expected Credit Losses [Abstract]
Balance, beginning of period	61	0
Current period change for expected credit losses	(5)	(6)
Write-offs of uncollectible reinsurance recoverables	0	0
Balance, end of period	$ 56	69
ASU 2016-13 [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member]
Reinsurance Recoverables, Net of Allowance for Expected Credit Losses [Abstract]
Balance, beginning of period		0
Allowance for Expected Credit Losses [Abstract]
Balance, beginning of period		$ 75