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
	Mar. 31, 2016	Mar. 31, 2015
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) on Contracts	$ (98)	$ 53
Gain (Loss) on Borrowings	98	(53)
Net Settlements and Accruals on Contracts	466	525
Amount of Gain (Loss) Recognized in Income	$ 466	$ 525