Derivatives (Details) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2012 DerivativeInstruments	Sep. 29, 2011	Sep. 30, 2012 DerivativeInstruments	Sep. 30, 2011	Dec. 31, 2011
Commitments to Originate Mortgage Loans Held-for-Sale at Fixed Prices
Derivatives
Derivative Asset, Notional Amount	$ 63,300,000		$ 63,300,000		$ 51,600,000
Interest Rate Lock Commitments | Not Designated as Hedging Instrument | Other Assets
Derivatives
Derivative Asset, Fair Value, Gross Asset					57,363
Interest Rate Lock Commitments | Not Designated as Hedging Instrument | Other Liabilities
Derivatives
Derivative Liability, Fair Value, Gross Liability	(491,245)		(491,245)
Forward Sales Commitments | Not Designated as Hedging Instrument
Derivatives
Derivative Asset, Notional Amount	88,000,000		88,000,000		67,400,000
Forward Sales Commitments | Not Designated as Hedging Instrument | Other Assets
Derivatives
Derivative Asset, Fair Value, Gross Asset	1,008,706		1,008,706		129,818
Interest Rate Swap Agreements | Not Designated as Hedging Instrument
Derivatives
Number of derivative agreements	2		2
LIBOR rate used to calculate notional amount			1 month
Derivative Asset, Notional Amount	2,000,000		2,000,000		2,000,000
Derivative Liability, Notional Amount	2,000,000		2,000,000		2,000,000
Gain on derivative	334	54,211	4,057	68,357
Loss on derivative	334	54,211	4,057	68,357
Interest Rate Swap Agreements | Not Designated as Hedging Instrument | Other Assets
Derivatives
Derivative Asset, Fair Value, Gross Asset	212,923		212,923		216,979
Interest Rate Swap Agreements | Not Designated as Hedging Instrument | Other Liabilities
Derivatives
Derivative Liability, Fair Value, Gross Liability	(212,923)		(212,923)		(216,979)
Minimum
Derivatives
Time period between issuance of loan commitment and closing and sale of loan			10 days
Maximum
Derivatives
Time period between issuance of loan commitment and closing and sale of loan			60 days
Mortgage Banking Activities | Interest Rate Lock Commitments
Derivatives
Gain on derivative	64,294		141,071
Mortgage Banking Activities | Forward Sales Commitments
Derivatives
Gain on derivative	41,610		330,279
Other Income | Interest Rate Lock Commitments
Derivatives
Gain on derivative				50,398
Loss on derivative		56,698
Other Income | Forward Sales Commitments
Derivatives
Gain on derivative		100,565
Loss on derivative				$ 86,737