Investment and Mortgage-Backed Securities, Held to Maturity (Narrative) (Details) (USD $)	9 Months Ended
Sep. 30, 2013	Sep. 30, 2012	Dec. 31, 2012
Schedule of Held-to-maturity Securities [Line Items]
Proceeds from Sale of Held-to-maturity Securities	$ 0	$ 0
Held To Maturity, Amortized Cost	0		76,072,262
Held-to-maturity Securities, Fair Value	0		79,671,886
Held-to-maturity Securities Pledged as Collateral			12,200,000
Held to Maturity Securities Pledged as Collateral, Fair Value			12,800,000
US Government Agencies Debt Securities [Member]
Schedule of Held-to-maturity Securities [Line Items]
Held-to-maturity Securities			47,200,000
Held-to-maturity Securities, Fair Value Disclosure			$ 50,400,000

For an unclassified balance sheet, this item represents investments in debt securities which are categorized as held-to-maturity. The held-to-maturity category is for those securities that the entity has the positive intent and ability to hold until maturity.

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+ Details

- Definition

This item represents the aggregate fair value of investments in debt securities as of the balance sheet date and which are categorized as held-to-maturity.

+ References+ Details

- Definition

This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. This item represents investments in debt securities which are categorized as held-to-maturity and that have scheduled maturities more than one year from the balance sheet date or operating cycle, if longer; such investments are normally measured at amortized cost (carrying value) unless circumstances indicate that the value to be recovered from the investment is less than its carried amount. The held-to-maturity category is for those securities that the Company has the positive intent and ability to hold until maturity.

+ References+ Details

- Definition

The cash inflow associated with the sale of securities that had been designated as held-to-maturity. Excludes proceeds from maturities, prepayments and calls by the issuer.

+ References

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-Glossary Investing Activities

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+ Details