Derivatives and Hedging (Summary Of Fair Value Interest Rate Contracts Activity) (Details) - Fair Value Hedges [Member] - Interest Rate Contracts [Member] - Interest Expense [Member] - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
	Jun. 30, 2016	Jun. 30, 2016
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) on Contracts	$ (320)	$ (418)
Gain (Loss) on Borrowings	320	418
Net Settlements and Accruals on Contracts (1) (3)	2,674	3,140
Amount of Gain (Loss) Recognized in Income (2) (3)	$ 2,674	$ 3,140