Fair Value of Financial Instruments (Reconciliation Of Fair Valued Assets Measured On A Recurring Basis) (Details) - Fair Value, Inputs, Level 3 [Member] - Fair Value, Measurements, Recurring [Member] - Collateralized debt obligations [Member] - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Beginning balance	$ 17,319	$ 13,649	$ 17,192	$ 13,260
Total losses realized/unrealized: Included in other comprehensive income loss	(1,061)	2,581	(934)	2,970
Ending balance	$ 16,258	$ 16,230	$ 16,258	$ 16,230