Loans and Leases (Details Textual) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011	Dec. 31, 2011
Loan and Leases (Additional Textual) [Abstract]
Interest income recognized on accruing troubled debt restructured loans	$ 109,000	$ 73,000	$ 167,000	$ 79,000
Loan and Leases (Textual) [Abstract]
Minimum aging of past due loans and leases current	90 days		90 days
Nonaccrual troubled debt restructured loans and leases	8,300,000		8,300,000		8,600,000
Troubled debt restructured maximum modification period on short term basis			up to one year
Maximum loan-to-value ratio for residential mortgage loans without private mortgage insurance	80.00%	80.00%	80.00%	80.00%
Maximum combined loan-to-value ratio for home equity loans without private mortgage insurance	80.00%		80.00%
Minimum amount of loan relationship up to five grade ratings reviewed quarterly	2,500,000		2,500,000
Minimum aging period due of reviewing loans rated 1 through 6	60 days		60 days
Minimum amount of loan relationship with risk ratings of grade six reviewed quarterly	2,000,000		2,000,000
Troubled debt restructured loan past due period			Less than Ninety days
Accruing troubled debt restructured loans charged-off subsequent to restructuring			372,000
Commercial, financial and agricultural [Member]
Loan and Leases (Additional Textual) [Abstract]
Amount of loans with interest only payment terms extension			1,300,000
Maximum [Member]
Loan and Leases (Additional Textual) [Abstract]
Amount of loan relationship with risk ratings of grade 1-5 reviewed annually	2,500,000		2,500,000
Amount of loan relationship with risk ratings of grade six reviewed annually	2,000,000		2,000,000
Minimum [Member]
Loan and Leases (Additional Textual) [Abstract]
Amount of loan relationship with risk ratings of grade 1-5 reviewed annually	500,000		500,000
Amount of loan relationship with risk ratings of grade six reviewed annually	500,000		500,000
Accruing Troubled Debt Restructured Loans [Member]
Loan and Leases (Additional Textual) [Abstract]
Amount of accruing troubled debt restructured loans and leases			4,000,000
Amount of nonaccrual troubled debt restructured loans and leases			572,000
Accruing Troubled Debt Restructured Loans [Member] | Real estate-construction [Member]
Loan and Leases (Additional Textual) [Abstract]
Amount of loans with interest only payment terms extension			$ 1,200,000