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Deposits (Narrative) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Deposits [Line Items]    
Reciprocal deposits $ 21,270 $ 21,515
Time certificates of deposit in denominations of $250 or greater $ 44,605 $ 16,644
Maximum    
Deposits [Line Items]    
Maturity terms 3 years  
Minimum    
Deposits [Line Items]    
Maturity terms 1 year