Long-term Borrowings (Securities Sold under Agreements to Repurchase) (Details) (USD $)				12 Months Ended
	Dec. 31, 2012 Federal Home Loan Bank Advances [Member]	Dec. 31, 2011 Federal Home Loan Bank Advances [Member]	Dec. 31, 2012 Atlantic Central Bankers Bank [Member]	Dec. 31, 2012 Univest Bank and Trust Co. Borrowings [Member]	Dec. 31, 2012 June 2013 Maturity Date [Member] Federal Home Loan Bank Advances [Member]	Dec. 31, 2011 June 2013 Maturity Date [Member] Federal Home Loan Bank Advances [Member]	Dec. 31, 2012 August 2013 Maturity Date [Member] Federal Home Loan Bank Advances [Member]	Dec. 31, 2011 August 2013 Maturity Date [Member] Federal Home Loan Bank Advances [Member]	Dec. 31, 2012 November 2015 Maturity Date [Member] Univest Bank and Trust Co. Borrowings [Member]	Dec. 31, 2011 November 2015 Maturity Date [Member] Univest Bank and Trust Co. Borrowings [Member]
Debt Instrument [Line Items]
Federal Home Loan Bank, Advances, General Debt Obligations, Maximum Amount Available	$ 239,200,000
Line of Credit Facility, Amount Outstanding	7,886,000	7,886,000			4,834,000	4,834,000	3,052,000	3,052,000	4,700,000	5,200,000
Line of Credit Facility, Maximum Borrowing Capacity	$ 25,000,000		$ 6,000,000	$ 10,000,000
Amount of Common Stock by which Lines of Credit are Secured				833,333
Line of Credit Facility, Covenant Terms				Under the terms of the loan agreement, the Bank is required to remain well capitalized and maintain a debt service coverage ratio of 1:1.
Line of Credit Facility, Covenant Compliance				At year-end, the Company was in compliance with its loan covenants.
Interest Rate					3.86%	3.86%	3.98%	3.98%	7.50%	7.50%