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Investment Securities - Realized Gains and Losses on Sales of Investment Securities (Detail) (USD $)
In Thousands, unless otherwise specified |
3 Months Ended | 6 Months Ended | ||
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Jun. 30, 2013
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Jun. 30, 2012
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Jun. 30, 2013
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Jun. 30, 2012
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| Investments Debt And Equity Securities [Abstract] | ||||
| Gross realized gains on sales of investment securities | $ 304 | $ 1,431 | $ 313 | $ 1,432 |
| Gross realized losses on sales of investment securities | (1) | (50) | (1) | (50) |
| Net realized gains on sales of investment securities | 303 | 1,381 | 312 | 1,382 |
| Proceeds from sales of investment securities | 15,764 | 85,538 | 24,764 | 88,538 |
| Tax expense on sales of investment securities | $ 127 | $ 581 | $ 131 | $ 581 |
| X | ||||||||||
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- Definition
Tax expense on sales of investment securities. 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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| 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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- Details
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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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