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Investment Securities - Additional Information (Detail) (USD $)
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3 Months Ended | 9 Months Ended | 12 Months Ended | ||
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Sep. 30, 2013
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Sep. 30, 2012
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Sep. 30, 2013
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Sep. 30, 2012
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Dec. 31, 2012
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| Investments Debt And Equity Securities [Abstract] | |||||
| Investment securities, contractual maturity | 2063 | ||||
| Net realized gain (loss) on redemption or sale of investment securities | $ 611,000 | $ 10,000 | $ 923,000 | $ 1,392,000 | |
| Recognized in earnings resulting from the redemption of investment securities | 899,000 | 4,000 | 2,400,000 | 1,700,000 | |
| Investment securities available-for- sale, carrying values | $ 50,500,000 | $ 18,200,000 | |||
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- Definition
Available For Sale Securities Contractual Maturity No definition available.
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- Definition
Securities available for sale at carrying value. No definition available.
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- Definition
This item represents the difference between the gross realized gains and losses realized on the sale of debt or equity securities categorized neither as held-to-maturity nor trading securities. Additionally, this item would include any losses recognized for other than temporary impairments (OTTI) of the subject investments in debt and equity securities. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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- Definition
Amount after tax, before reclassification adjustments, of unrealized holding gain (loss) on available-for-sale securities and unrealized holding gain (loss) related to transfers of securities into the available-for-sale classification and out of the held-to-maturity classification. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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