Derivative Instruments (Summary Of Derivative Instruments) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Derivative Instruments, Gain (Loss) [Line Items]
Fair value of derivative asset	$ 4,233	$ 538	$ 1,944
Fair value of derivative liability	(4,233)	(538)	(1,944)
Interest Rate Swap [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Notional amount	$ 42,177	$ 44,887	$ 46,474
Weighted average pay rate on interest-rate swaps	4.34%	4.21%	4.19%
Weighted average receive rate on interest-rate swaps	6.21%	3.00%	3.08%
Weighted average maturity (years)	7 years 8 months 12 days	6 years 10 months 24 days	7 years 4 months 24 days