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Derivative Instruments (Summary Of Derivative Instruments) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Derivative Instruments, Gain (Loss) [Line Items]      
Fair value of derivative asset $ 538 $ 1,944 $ 12
Fair value of derivative liability (538) (1,944) (12)
Interest Rate Swap [Member]      
Derivative Instruments, Gain (Loss) [Line Items]      
Notional amount $ 44,887 $ 46,474 $ 12,039
Weighted average pay rate on interest-rate swaps 4.21% 4.19% 4.66%
Weighted average receive rate on interest-rate swaps 3.00% 3.08% 4.63%
Weighted average maturity (years) 6 years 10 months 24 days 7 years 4 months 24 days 7 years 3 months 18 days