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Hedge Accounting (Narrative) (Details) - USD ($)
9 Months Ended
Sep. 30, 2019
Dec. 31, 2018
Derivative Instruments, Gain (Loss) [Line Items]    
Notional amount $ 8,000,000 $ 8.0
Derivative loss 0  
Designated as Hedging Instrument [Member]    
Derivative Instruments, Gain (Loss) [Line Items]    
Derivative asset 0  
Loss Recognized in Income on Derivatives (Ineffective Portion and Amount Excluded from Effectiveness Testing) $ 0