Hedge Accounting (Summary Of Hedged Transactions That Affect Earnings) (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2019	Sep. 30, 2019
Derivative Instruments, Gain (Loss) [Line Items]
Loss Recognized in OCI on Derivatives (Effective Portion)		$ (253)
Loss Reclassified from OCI into Income (Effective Portion)		42
Designated as Hedging Instrument [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Loss Recognized in OCI on Derivatives (Effective Portion)	$ 38	253
Loss Reclassified from OCI into Income (Effective Portion)	18	42
Designated as Hedging Instrument [Member] | Interest Expense [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Loss Reclassified from OCI into Income (Effective Portion)	18	42
Designated as Hedging Instrument [Member] | Interest Rate Contract [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Loss Recognized in OCI on Derivatives (Effective Portion)	$ 38	$ 253