Reinsurance (Schedule of Reinsurance Recoverable Allowance for Credit Loss) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Reinsurance Recoverable, Allowance for Credit Loss [Roll Forward]
Allowance for expected credit losses, beginning of period	$ 7,713	$ 7,801
Change in allowance for expected credit losses	351	(88)
Allowance for expected credit losses, end of period	$ 8,064	$ 7,713