Fair Value of Financial Instruments (Reconciliation Of Fair Valued Assets Measured On A Recurring Basis) (Details) - Fair Value, Inputs, Level 3 [Member] - Collateralized debt obligations [Member] - Fair Value, Measurements, Recurring [Member] - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Beginning balance	$ 14,114	$ 17,319	$ 15,871	$ 17,192
Total losses realized/unrealized: Included in other comprehensive income loss	(9)	(1,061)	(1,766)	(934)
Ending balance	$ 14,105	$ 16,258	$ 14,105	$ 16,258