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Accumulated Other Comprehensive Income (Schedule of Accumulated Other Comprehensive Income (Loss)) (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Accumulated Other Comprehensive Income (Loss) [Line Items]    
Balances $ 195,019 $ 192,802
Other comprehensive income (loss) (782) 1,251
Balances 196,104 195,694
Accumulated Other Comprehensive Income    
Accumulated Other Comprehensive Income (Loss) [Line Items]    
Balances 1,529 207
Other comprehensive income (loss) (782) 1,251
Balances 747 1,458
Accumulated Net Unrealized Investment Gain (Loss) [Member]    
Accumulated Other Comprehensive Income (Loss) [Line Items]    
Balances 1,529 218
Other comprehensive income (loss) (782) 1,246
Balances $ 747 1,464
Unrealized Gains Losses On Securities Transferred From Available For Sale To Held To Maturity [Member]    
Accumulated Other Comprehensive Income (Loss) [Line Items]    
Balances   (11)
Other comprehensive income (loss)   5
Balances   $ (6)