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Net Gains (Summary of Gain (Loss) Activity) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Net Gains [Abstract]    
Available-for-sale securities: Realized gains $ 370 $ 817
Available-for-sale Securities: Realized losses (216) (185)
Held-to-maturity securities: Realized losses (54) (97)
Loss on equity investment (35)  
Gain on sale of consumer loans 1,115 2,403
Loss on disposal of fixed assets 15 (150)
Net gains $ 1,195 $ 2,788