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 ($)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Beginning balance	$ 15,871,000	$ 17,192,000
Total losses realized/unrealized: Included in other comprehensive income loss	(1,162,000)	(1,321,000)
Ending balance	$ 14,709,000	$ 15,871,000