Loans and Leases (Details Textual) (USD $)	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Dec. 31, 2012
Loan and Leases (Additional Textual) [Abstract]
Interest income recognized on accruing troubled debt restructured loans	$ 186,000	$ 58,000
Loan and Leases (Textual) [Abstract]
Minimum aging of past due loans and leases current	90 days
Nonaccrual troubled debt restructured loans and lease modifications	572,000		579,000
Maximum modification period on short term basis	up to one year
Restructured loan past due period	Less than Ninety days
Nonaccrual Troubled Debt Restructured Loans [Member]
Loan and Leases (Additional Textual) [Abstract]
Number of troubled debt loan restructurings		3
Troubled Debt Restructuring Loans [Member]
Loan and Leases (Additional Textual) [Abstract]
Number of troubled debt loan restructurings	0
Maximum [Member]
Loan and Leases (Additional Textual) [Abstract]
Amount of loan relationship with risk ratings of grade 1-5 reviewed annually	2,500,000
Amount of loan relationship due for review after 60 or more past due days	500,000
Amount of loan relationship with risk ratings of grade six reviewed annually	2,000,000
Loan-to-value ratio for residential mortgage loans without private mortgage insurance	80.00%
Combined loan-to-value ratio for home equity loans without private mortgage insurance	80.00%
Combined loan to value ratio for home equity loans without private mortgage insurance for corporations strongest profile borrower	85.00%
Minimum [Member]
Loan and Leases (Additional Textual) [Abstract]
Amount of loan relationship with risk ratings of grade 1-5 reviewed quarterly	2,500,000
Amount of loan relationship with risk ratings of grade 1-5 reviewed annually	500,000
Amount of loan relationship with risk ratings of grade six reviewed annually	500,000
Amount of loan relationship with risk rates of grade six reviewed quarterly	$ 2,000,000
Loan to value ratio for residential mortgage loans with private mortgage insurance	80.00%
Aging period due of reviewing loans rated 1 through 6	60 days