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Accumulated Other Comprehensive Income (Schedule of Accumulated Other Comprehensive Income (Loss)) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Accumulated Other Comprehensive Income (Loss) [Line Items]    
Balances $ 183,185 $ 163,736
Other comprehensive income (loss) 3,157 (1,647)
Balances 192,802 183,185
Accumulated Other Comprehensive Income(Loss)    
Accumulated Other Comprehensive Income (Loss) [Line Items]    
Balances (2,950) (1,309)
Other comprehensive income (loss)   (1,647)
Realized gain on sale of investment securities 3,157  
Balances 207 (2,950)
Accumulated Other Comprehensive Income(Loss) | Accounting Standards Update 2016-01    
Accumulated Other Comprehensive Income (Loss) [Line Items]    
Cumulative effect adjustment (ASU 2016-01)   6
Accumulated Net Unrealized Investment Gain (Loss) [Member]    
Accumulated Other Comprehensive Income (Loss) [Line Items]    
Balances (2,918) (1,255)
Other comprehensive income (loss)   (1,669)
Realized gain on sale of investment securities 3,136  
Balances 218 (2,918)
Accumulated Net Unrealized Investment Gain (Loss) [Member] | Accounting Standards Update 2016-01    
Accumulated Other Comprehensive Income (Loss) [Line Items]    
Cumulative effect adjustment (ASU 2016-01)   6
Unrealized Gains Losses On Securities Transferred From Available For Sale To Held To Maturity [Member]    
Accumulated Other Comprehensive Income (Loss) [Line Items]    
Balances (32) (54)
Other comprehensive income (loss)   22
Realized gain on sale of investment securities 21  
Balances $ (11) $ (32)