Borrowed Funds (Summary Of Short-Term Borrowings) (Details) - USD ($) $ in Thousands	6 Months Ended		12 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Dec. 31, 2015
Debt Instrument [Line Items]
Beginning Balance	$ 205,553	$ 174,599	$ 171,394	[1]
Short-term FHLB Advances [Member]
Debt Instrument [Line Items]
Beginning Balance	202,100	171,160	167,950
Average balance outstanding for the period	172,662	143,781	146,412
Maximum balance outstanding at any month end during period	$ 218,950	$ 171,160	$ 171,160
Weighted average interest rate for the period	0.59%	0.32%	0.43%
Weighted average interest rate for balances outstanding	0.58%	0.32%	0.35%
Federal Funds Purchased and Lines of Credit [Member]
Debt Instrument [Line Items]
Beginning Balance	$ 3,453	$ 3,439	$ 3,444
Average balance outstanding for the period	3,448	5,988	4,690
Maximum balance outstanding at any month end during period	$ 3,453	$ 7,438	$ 7,438
Weighted average interest rate for the period	0.50%	0.25%	0.50%
Weighted average interest rate for balances outstanding	0.50%	0.25%	0.26%

[1] December 31, 2015 financial information has been extracted from audited consolidated financial statements