Amount of debt securities categorized neither as held-to-maturity nor trading.

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+ Details

- Definition

The amount by which the fair value of an investment in debt and equity securities categorized as Available-for-sale is less than the amortized cost basis or carrying amount of that investment at the balance sheet date and the decline in fair value is deemed to be other than temporary, before considering whether or not such amount is recognized in earnings or other comprehensive income.

+ References+ Details

Investment Securities - Narrative (Details) (USD $)	3 Months Ended		9 Months Ended	12 Months Ended
Investment Securities - Narrative (Details) (USD $)	Dec. 31, 2012	Sep. 30, 2011	Sep. 30, 2011	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Schedule of Available-for-sale Securities
Gross realized gains				$ 1,700,000	$ 2,800,000	$ 2,200,000
Gross realized losses	0	0	0	0		16,919
Investment securities pledged as collateral	88,652,919			88,652,919	120,227,824
Other than temporary impairment losses, available-for-sale securities				50,000		386,000
Mortgage-backed, pass-through securities
Schedule of Available-for-sale Securities
Fair value	107,257,000			107,257,000	65,210,000
Collateralized Mortgage Obligations
Schedule of Available-for-sale Securities
Fair value	$ 123,600,000			$ 123,600,000	$ 167,300,000