Investments (Non-Cash OTTI Credit Losses Recognized in Earnings) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Investments [Abstract]
Balance of credit-related OTTI, Beginning	$ 1,942	$ 2,143	$ 2,043	$ 2,244
Reduction for increases in cash flows expected to be collected	(51)	(50)	(152)	(151)
Balance of credit-related OTTI, Ending	$ 1,891	$ 2,093	$ 1,891	$ 2,093