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Derivative Activities (Narratives) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Schedule Of Trading Securities And Other Trading Assets [Line Items]    
Unrealized Gain Loss On Derivatives $ 14 $ 510
Derivative Assets 347 771
Derivative Liabilities 333 1,281
Derivative, Notional Amount 150,900 152,600
Interest Rate Cap [Member]    
Schedule Of Trading Securities And Other Trading Assets [Line Items]    
Derivative Assets 207 153
Derivative Liabilities 207 153
Derivative, Notional Amount 150,900 152,600
Swap [Member]    
Schedule Of Trading Securities And Other Trading Assets [Line Items]    
Derivative, Notional Amount 12,500  
Designated as Hedging Instrument [Member]    
Schedule Of Trading Securities And Other Trading Assets [Line Items]    
Derivative Assets 14 0
Derivative Liabilities 0 510
Not Designated as Hedging Instrument [Member]    
Schedule Of Trading Securities And Other Trading Assets [Line Items]    
Derivative Assets 126 618
Derivative Liabilities $ 126 $ 618