Securities Sold Under Agreements To Repurchase And Long-Term Debt (Narrative) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Securities Sold Under Agreements To Repurchase And Long-Term Debt [Abstract]
Federal Home Loan Bank, Advances, General Debt Obligations, Disclosures, General Description of Terms	The Bank's short-term borrowings are comprised of securities sold under agreements to repurchase (Repo) and a line-of-credit with the Federal Home Loan Bank of Pittsburgh (Open Repo Plus). Securities sold under agreements to repurchase are overnight borrowings between the Bank and its commercial and municipal depositors. These accounts reprice weekly. Open Repo Plus is a revolving term commitment used on an overnight basis. The term of this commitment may not exceed 364 days and it reprices daily at market rates
Federal Home Loan Bank, Maximum Term Of Commitment	364 days
Federal Home Loan Bank, Advances, General Debt Obligations, Amount of Available, Unused Funds	$ 231.0
Assets Sold under Agreements to Repurchase, Market Value	14	32
Federal Home Loan Bank, Advances, General Debt Obligations, Maximum Amount Available	$ 231.0