Borrowed Funds (Summary Of Short-Term Borrowings) (Details) - USD ($) $ in Thousands	9 Months Ended		12 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Dec. 31, 2014
Debt Instrument [Line Items]
Beginning Balance	$ 145,291	$ 127,432	$ 123,633	[1]
Short-term FHLB Advances [Member]
Debt Instrument [Line Items]
Beginning Balance	141,850	125,000	120,950
Average balance outstanding for the period	144,073	86,039	94,982
Maximum balance outstanding at any month end during period	$ 171,160	$ 132,550	$ 136,800
Weighted average interest rate for the period	0.42%	0.26%	0.31%
Weighted average interest rate for balances outstanding	0.33%	0.30%	0.31%
Federal Funds Purchased and Lines of Credit [Member]
Debt Instrument [Line Items]
Beginning Balance	$ 3,441	$ 2,432	$ 2,683
Average balance outstanding for the period	5,104	6,925	5,804
Maximum balance outstanding at any month end during period	$ 7,438	$ 8,976	$ 8,976
Weighted average interest rate for the period	0.25%	0.25%	0.25%
Weighted average interest rate for balances outstanding	0.25%	0.25%	0.25%

[1] December 31, 2014 financial information has been extracted from audited consolidated financial statements