Hedge Accounting (Summary Of Hedged Transactions That Affect Earnings) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Derivative Instruments, Gain (Loss) [Line Items]
Loss Recognized in OCI on Derivatives (Effective Portion)			$ (285)
Loss Reclassified from AOCI into Income (Effective Portion)			80
Designated as Hedging Instrument [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Loss Recognized in OCI on Derivatives (Effective Portion)	$ 52	$ 134	285	$ 215
Loss Reclassified from AOCI into Income (Effective Portion)	52	13	80	24
Designated as Hedging Instrument [Member] | Interest Expense [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Loss Reclassified from AOCI into Income (Effective Portion)	52	13	80	24
Designated as Hedging Instrument [Member] | Interest Rate Contract [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Loss Recognized in OCI on Derivatives (Effective Portion)	$ 52	$ 134	$ 285	$ 215