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Derivatives (Derivative Assets and Liabilities) (Details) - USD ($)
$ in Thousands
Jun. 30, 2019
Dec. 31, 2018
Schedule Of Trading Securities And Other Trading Assets [Line Items]    
Derivative Assets $ 26 $ 347
Derivative Liabilities 985 333
Designated as Hedging Instrument [Member]    
Schedule Of Trading Securities And Other Trading Assets [Line Items]    
Derivative Assets 0 14
Derivative Liabilities 959 0
Not Designated as Hedging Instrument [Member]    
Schedule Of Trading Securities And Other Trading Assets [Line Items]    
Derivative Assets 0 126
Derivative Liabilities 0 126
Interest Rate Cap [Member]    
Schedule Of Trading Securities And Other Trading Assets [Line Items]    
Derivative Assets 26 207
Derivative Liabilities $ 26 $ 207