Investment Securities - Narrative (Details) (USD $)	12 Months Ended
Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Schedule of Available-for-sale Securities
Gross realized gains	$ 576,169	$ 1,700,000	$ 2,800,000
Gross realized losses	2,900,000	0	0
Investment securities pledged as collateral	107,400,000	88,700,000
Other than temporary impairment losses, available-for-sale securities	0	50,000	0
US States and Political Subdivisions Debt Securities [Member]
Schedule of Available-for-sale Securities
Fair value	98,704,000	84,565,000
Continuous unrealized loss investments, number of positions	9
Mortgage-backed, pass-through securities
Schedule of Available-for-sale Securities
Fair value	103,441,000	107,257,000
Collateralized Mortgage Obligations
Schedule of Available-for-sale Securities
Fair value	67,200,000	123,600,000
US Government Agencies Debt Securities [Member]
Schedule of Available-for-sale Securities
Fair value	$ 16,392,000	$ 27,527,000
Continuous unrealized loss investments, number of positions	1

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

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Reference 2: http://www.xbrl.org/2003/role/presentationRef

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Reference 4: http://www.xbrl.org/2003/role/presentationRef

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Reference 5: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

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Reference 6: http://www.xbrl.org/2003/role/presentationRef

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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+ Details

- Definition

Disclosure regarding factors used to determine that the impairment of securities not categorized as either held-to-maturity securities or trading securities (hence equal to available for sale securities) where cost exceeds fair value is not an other than temporary impairment (OTTI). This item contains disclosure of the number of investment positions in the available-for-sale investments determined to be temporarily impaired.

+ References+ 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