Derivatives (Details) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2013 DerivativeInstruments	Jun. 30, 2012	Jun. 30, 2013 DerivativeInstruments	Jun. 30, 2012	Dec. 31, 2012
Derivatives
Description of floating rate basis			one month LIBOR
Commitments to Originate Mortgage Loans Held-for-Sale at Fixed Prices
Derivatives
Derivative Asset, Notional Amount	$ 32,500,000		$ 32,500,000		$ 46,700,000
Interest Rate Lock Commitments | Not Designated as Hedging Instrument | Other Assets
Derivatives
Derivative Asset, Fair Value, Gross Asset					872,844
Interest Rate Lock Commitments | Not Designated as Hedging Instrument | Other Liabilities
Derivatives
Derivative Liability, Fair Value, Gross Liability	(312,117)		(312,117)
Forward Sales Commitments | Not Designated as Hedging Instrument
Derivatives
Derivative Asset, Notional Amount	54,800,000		54,800,000		71,500,000
Forward Sales Commitments | Not Designated as Hedging Instrument | Other Assets
Derivatives
Derivative Asset, Fair Value, Gross Asset	612,085		612,085
Derivative Liability, Fair Value, Gross Liability					(480,806)
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	1,900,000		1,900,000		2,000,000
Derivative Liability, Notional Amount	1,900,000		1,900,000		2,000,000
Gain on derivative	25,543	3,513	41,939	4,390
Loss on derivative	(25,543)	(3,513)	(41,939)	(4,390)
Interest Rate Swap Agreements | Not Designated as Hedging Instrument | Other Assets
Derivatives
Derivative Asset, Fair Value, Gross Asset	154,068		154,068		196,006
Interest Rate Swap Agreements | Not Designated as Hedging Instrument | Other Liabilities
Derivatives
Derivative Liability, Fair Value, Gross Liability	(179,612)		(179,612)		(196,006)
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		60 days
Mortgage Banking Activities | Interest Rate Lock Commitments
Derivatives
Gain on derivative	57,457	90,269		76,777
Loss on derivative			(33,340)
Mortgage Banking Activities | Forward Sales Commitments
Derivatives
Loss on derivative	(81,725)		(92,070)
Other Income | Forward Sales Commitments
Derivatives
Gain on derivative		$ 293,298		$ 288,669