Income Taxes (Schedule Of Reconciliation Of Income Taxes) (Details)	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Income Tax Disclosure [Abstract]
Statutory Federal income tax rate	35.00%	35.00%	35.00%
State tax, net of Federal income tax	4.00%	3.50%	4.40%
Tax-exempt income	(1.80%)	(2.50%)	(3.20%)
Tax credits	(0.10%)	(0.80%)	(1.80%)
Nondeductible merger expenses	0.00%	1.20%	1.00%
BOLI	(1.10%)	(1.60%)	(0.80%)
Other	(0.10%)	1.20%	1.00%
Effective income tax rate	35.90%	36.00%	35.60%