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Hedge Accounting (Summary Of Hedged Transactions That Affect Earnings) (Details)
$ in Thousands
12 Months Ended
Dec. 31, 2018
USD ($)
Derivative Instruments, Gain (Loss) [Line Items]  
Loss Reclassified from OCI on Derivatives (Effective Portion) $ (151)
Loss Reclassified from AOCI into Income (Effective Portion) 14
Designated as Hedging Instrument [Member]  
Derivative Instruments, Gain (Loss) [Line Items]  
Loss Reclassified from OCI on Derivatives (Effective Portion) 200
Loss Reclassified from AOCI into Income (Effective Portion) 14
Designated as Hedging Instrument [Member] | Interest Expense [Member]  
Derivative Instruments, Gain (Loss) [Line Items]  
Loss Reclassified from AOCI into Income (Effective Portion) 14
Designated as Hedging Instrument [Member] | Interest Rate Contract [Member]  
Derivative Instruments, Gain (Loss) [Line Items]  
Loss Reclassified from OCI on Derivatives (Effective Portion) $ 200