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Realized Gains and Losses on Sales of Investment Securities (Detail) (USD $)
In Thousands, unless otherwise specified |
3 Months Ended | 9 Months Ended | ||
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Sep. 30, 2012
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Sep. 30, 2011
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Sep. 30, 2012
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Sep. 30, 2011
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| Gross Realized Gains on Sales of Investment Securities | $ 10 | $ 1,704 | $ 1,442 | $ 2,673 |
| Gross Realized Losses on Sales of Investment Securities | (50) | (1,039) | ||
| Net Realized Gains on Sales of Investment Securities | 10 | 1,704 | 1,392 | 1,634 |
| Proceeds from Sales of Investment Securities | 8,000 | 38,691 | 96,538 | 152,468 |
| Tax Expense on Sales of Investment Securities | $ 4 | $ 716 | $ 585 | $ 687 |
| X | ||||||||||
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- Definition
Tax expense on sales of investment securities. No definition available.
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| X | ||||||||||
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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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| X | ||||||||||
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- Definition
This item represents the gross profit realized on the sale of debt or equity securities categorized neither as held-to-maturity nor trading securities. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
This item represents the gross loss realized on the sale of debt or equity securities categorized neither as held-to-maturity nor trading securities. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The cash inflow associated with the sale of debt and equity securities classified as available-for-sale securities. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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