Derivatives (Details) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2012 DerivativeInstruments	Jun. 30, 2011	Jun. 30, 2012 DerivativeInstruments	Jun. 30, 2011	Dec. 31, 2011
Commitments to Originate Mortgage Loans Held-for-Sale at Fixed Prices
Derivatives
Derivative Asset, Notional Amount	$ 58,000,000		$ 58,000,000		$ 51,600,000
Interest Rate Lock Commitments | Not Designated as Hedging Instrument | Other Assets
Derivatives
Derivative Asset, Fair Value, Gross Asset	577,823		577,823		129,818
Forward Sales Commitments | Not Designated as Hedging Instrument
Derivatives
Derivative Asset, Notional Amount	82,900,000		82,900,000		67,400,000
Forward Sales Commitments | Not Designated as Hedging Instrument | Other Assets
Derivatives
Derivative Asset, Fair Value, Gross Asset					57,363
Forward Sales Commitments | Not Designated as Hedging Instrument | Other Liabilities
Derivatives
Derivative Liability, Fair Value, Gross Liability	101,972		101,972
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	3,513	40,409	4,390	14,146
Loss on derivative	3,513	40,409	4,390	14,146
Interest Rate Swap Agreements | Not Designated as Hedging Instrument | Other Assets
Derivatives
Derivative Asset, Fair Value, Gross Asset	212,589		212,589
Interest Rate Swap Agreements | Not Designated as Hedging Instrument | Other Liabilities
Derivatives
Derivative Liability, Fair Value, Gross Liability	212,589		212,589
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	90,269		76,777
Mortgage Banking Activities | Forward Sales Commitments
Derivatives
Gain on derivative	293,298		288,669
Other Income | Interest Rate Lock Commitments
Derivatives
Gain on derivative				16,101
Loss on derivative		35,422
Other Income | Forward Sales Commitments
Derivatives
Loss on derivative		$ 443,693		$ 157,263