Loan Quality (Schedule of Other Real Estate Owned) (Details) (USD $) In Thousands, unless otherwise specified			12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2012 OREO Property 1 [Member]	Dec. 31, 2012 OREO Property 2 [Member]	Dec. 31, 2012 OREO Properties with Write-down [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Date Acquired			2011	2012
Other Real Estate	$ 5,127	$ 3,224	$ 1,970	$ 2,758	$ 4,728
Collateral			unimproved and improved real estate for residential development on four separate tracts totaling 150 acres	1st, 2nd, and 3rd liens residential development land - four tracts with 294 acres
Location			PA	PA
Last Appraisal Date			2012-11	2012-08
Last Appraisal Amount			$ 2,141	$ 3,292