Summary of Significant Accounting Policies - Goodwill and Other Intangibles (Details) (USD $)	3 Months Ended	12 Months Ended			36 Months Ended
	Jun. 30, 2011	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2013
Accounting Policies [Abstract]
Goodwill impairment	$ 4,900,000	$ 0	$ 0	$ 4,944,000	$ 4,944,000
Finite-Lived Intangible Assets [Line Items]
Carrying Amount		13,400,000	13,402,000		13,400,000
Accumulated Amortization		(11,384,000)	(10,567,000)		(11,384,000)
Finite-Lived Intangible Assets, Amortization Expense, Maturity Schedule [Abstract]
Remaining weighted average amortization period		6 years 1 month
Core Deposits
Finite-Lived Intangible Assets [Line Items]
Useful life		20 years
Carrying Amount		12,520,000			12,520,000
Accumulated Amortization		(10,546,000)			(10,546,000)
Finite-Lived Intangible Assets, Amortization Expense, Maturity Schedule [Abstract]
2013		589,813			589,813
2014		502,350			502,350
2015		414,885			414,885
2016		250,095			250,095
2017		112,956			112,956
Thereafter		103,436			103,436
Noncompete Agreements
Finite-Lived Intangible Assets [Line Items]
Useful life		5 years
Carrying Amount		880,000			880,000
Accumulated Amortization		(838,000)			(838,000)
Finite-Lived Intangible Assets, Amortization Expense, Maturity Schedule [Abstract]
2014		$ 41,660			$ 41,660