Derivatives And Hedging (Offsetting Of Derivative Assets And Liabilities) (Details) - Interest Rate Contracts [Member] - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Offsetting Assets [Line Items]
Gross Amounts Recognized, Assets	$ 126	$ 2,664
Gross Amounts Offset In Balance Sheet, Assets	0	0
Net Amounts Presented in Balance Sheet, Assets	126	2,664
Gross Amounts Not Offset in Balance Sheet, Financial Instruments, Assets	0	(346)
Gross Amounts Not Offset in Balance Sheet, Cash Collateral Received, Assets	0	0
Net Amount, Assets	$ 126	2,318
Gross Amounts Recognized, Liabilities		725
Gross Amounts Offset In Balance Sheet, Liabilities		0
Net Amounts Presented in Balance Sheet, Liabilities		725
Gross Amounts Not Offset in Balance Sheet, Financial Instruments, Liabilities		(346)
Gross Amounts Not Offset in Balance Sheet, Cash Collateral Received, Liabilities		0
Net Amount, Liabilities		$ 379