Bank Premises, Equipment and Leases - Schedule of Future Minimum Rental Payments for Operating Leases (Details) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]
2013	$ 1,119,000
2014	714,000
2015	677,000
2016	513,000
2017	259,000
2018 and thereafter	777,000
Total	4,059,000
Operating leases, rent expense	$ 1,040,128	$ 977,000	$ 1,118,000