Allowance for Loan and Lease Loss and Credit Quality (Summary Of Reserve For Unfunded Commitments Activity) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Reserve for Unfunded Commitments [Roll Forward]
Balance, beginning of period	$ 1,436	$ 1,223
Net change to other expense	(1,863)	213
Provision for Reserve of Unfunded Commitments	3,966	0
Balance, end of period	3,539	1,436
Unfunded loan commitments	$ 3,000,505	$ 1,638,446