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Investment Securities - Additional Information (Detail) (USD $)
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3 Months Ended | 12 Months Ended | |
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Mar. 31, 2013
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Mar. 31, 2012
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Dec. 31, 2012
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| Investments Debt And Equity Securities [Abstract] | |||
| Investment securities, contractual maturity | 2042 | ||
| Net realized gain (loss) on redemption of investment securities | $ 9,000 | $ 1,000 | |
| Net unrealized gain (loss) included in comprehensive income | (577,000) | 674,000 | |
| Recognized in earnings resulting from the redemption of investment securities | 34,000 | 4,000 | |
| Investment securities available-for- sale, carrying values | $ 16,500,000 | $ 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
Unrealized Gains Losses Included In Other Comprehensive Income 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
Net of tax amount of unrealized holding gain (loss) before reclassification adjustments on available-for-sale securities. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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