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Derivatives (Narratives) (Details) - USD ($)
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Schedule Of Trading Securities And Other Trading Assets [Line Items]    
Unrealized Gain Loss On Derivatives $ (1,700,000) $ (907,000)
Derivative Assets 0 6,000
Derivative Liabilities 1,712,000 913,000
Interest Rate Cap [Member]    
Schedule Of Trading Securities And Other Trading Assets [Line Items]    
Derivative Assets 0 6,000
Derivative Liabilities 0 6,000
Notional Amount $ 40,400,000 $ 41,500,000