Allowance for Expected Credit Losses, Reinsurance Recoverables (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Reinsurance Recoverables, Net of Allowance for Expected Credit Losses [Abstract]
Balance, beginning of period	$ 22,942	$ 21,103
Balance, end of period	23,829	20,935
Allowance for Expected Credit Losses [Abstract]
Balance, beginning of period	51	61
Current period change for expected credit losses	(6)	(5)
Write-offs of uncollectible reinsurance recoverables	0	0
Balance, end of period	$ 45	$ 56