Derivatives (Details) (USD $)	3 Months Ended		9 Months Ended
	Mar. 31, 2013 DerivativeInstruments	Mar. 31, 2012	Sep. 30, 2012	Dec. 31, 2012
Commitments to Originate Mortgage Loans Held-for-Sale at Fixed Prices
Derivatives
Derivative Asset, Notional Amount	$ 42,600,000			$ 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	806,913
Forward Sales Commitments | Not Designated as Hedging Instrument
Derivatives
Derivative Asset, Notional Amount	60,900,000			71,500,000
Forward Sales Commitments | Not Designated as Hedging Instrument | Other Assets
Derivatives
Derivative Asset, Fair Value, Gross Asset	(425,220)			(480,806)
Interest Rate Swap Agreements | Not Designated as Hedging Instrument
Derivatives
Number of derivative agreements	2
LIBOR rate used to calculate notional amount			1 month
Derivative Asset, Notional Amount	1,900,000			2,000,000
Derivative Liability, Notional Amount	1,900,000			2,000,000
Gain on derivative	16,395	7,903
Loss on derivative	16,395	7,903
Interest Rate Swap Agreements | Not Designated as Hedging Instrument | Other Assets
Derivatives
Derivative Asset, Fair Value, Gross Asset	179,612			196,006
Interest Rate Swap Agreements | Not Designated as Hedging Instrument | Other Liabilities
Derivatives
Derivative Liability, Fair Value, Gross Liability	(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
Mortgage Banking Activities | Interest Rate Lock Commitments
Derivatives
Gain on derivative	(66,151)
Mortgage Banking Activities | Forward Sales Commitments
Derivatives
Gain on derivative	55,586
Other Income | Forward Sales Commitments
Derivatives
Gain on derivative		(4,629)
Loss on derivative		$ 13,492