Junior Subordinated Debentures (Narrative) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Debt Disclosure [Abstract]
Common stock issued by Trusts	$ 14,000	$ 14,000
Unrealized (losses) gains arising during the period	$ (37,899)	$ 18,842	$ 25,855