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Derivatives (Narratives) (Details) - USD ($)
$ in Thousands
9 Months Ended 12 Months Ended
Sep. 30, 2020
Dec. 31, 2019
Schedule Of Trading Securities And Other Trading Assets [Line Items]    
Unrealized Gain Loss On Derivatives $ 1,900 $ 907
Derivative Assets 1 6
Derivative Liabilities 1,895 913
Interest Rate Cap [Member]    
Schedule Of Trading Securities And Other Trading Assets [Line Items]    
Derivative Assets 1 6
Derivative Liabilities 1 6
Notional Amount $ 40,700 $ 41,500