Investment and Mortgage-Backed Securities, Held to Maturity (Schedule of held-to-maturity securities, Contractual Maturities) (Details) (USD $)	Mar. 31, 2013
Held-to-maturity Securities, Debt Maturities, Net Carrying Amount [Abstract]
Less Than One Year, Amortized Cost	$ 3,000,000
One – Five Years, Amortized Cost	158,720
Over Five – Ten Years, Amortized Cost	11,048,656
More Than Ten Years, Amortized Cost	9,304,297
Mortgage-Backed Securities, Amortized Cost	50,685,130
Held-to-maturity Securities, Debt Maturities, Amortized Cost	74,196,803
Held-to-maturity Securities, Debt Maturities, Fair Value, Fiscal Year Maturity [Abstract]
Less Than One Year, Fair Value	3,044,300
One – Five Years, Fair Value	165,813
Over Five – Ten Years, Fair Value	11,054,549
More Than Ten Years, Fair Value	9,592,195
Mortgage-Backed Securities, Fair Value	53,519,545
Held-to-maturity Securities, Debt Maturities, Fair Value	$ 77,376,402

Amortized cost of mortgage-backed securities held to maturity.

No definition available.

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Fair Value of mortgage-backed securities held to maturity.

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Amount of held-to-maturity debt securities at fair value maturing in the sixth fiscal year through the tenth fiscal year following the latest fiscal year.

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Carrying amount of debt securities accounted for as held-to-maturity, net of adjustments including, but not limited to, accretion, amortization, collection of cash, previous other-than-temporary impairments (OTTI) recognized, and fair value hedge accounting adjustments, maturing in the fifth through tenth fiscal year following the latest fiscal year.

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Amount of held-to-maturity debt securities at fair value maturing in the second fiscal year through the fifth fiscal year following the latest fiscal year.

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Carrying amount of debt securities accounted for as held-to-maturity, net of adjustments including, but not limited to, accretion, amortization, collection of cash, previous other-than-temporary impairments (OTTI) recognized, and fair value hedge accounting adjustments, maturing in the next fiscal year through the fifth fiscal year following the latest fiscal year.

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Amount of held-to-maturity debt securities at fair value maturing after the tenth fiscal year following the latest fiscal year.

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Carrying amount of debt securities accounted for as held-to-maturity, net of adjustments including, but not limited to, accretion, amortization, collection of cash, previous other-than-temporary impairments (OTTI) recognized, and fair value hedge accounting adjustments, maturing after the tenth fiscal year following the latest fiscal year.

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This item represents the total of all debt securities grouped by maturity dates, at fair value, which are categorized as held-to-maturity.

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Amount of held-to-maturity debt securities at fair value maturing in the next fiscal year following the latest fiscal year.

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