Securities - Realized Gains and Losses on Sales of Investment Securities (Detail) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2018 |
Jun. 30, 2017 |
Jun. 30, 2018 |
Jun. 30, 2017 |
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| Investments, Debt and Equity Securities [Abstract] | ||||
| Gross realized gains on sales of securities | $ 67 | $ 938 | $ 67 | $ 1,206 |
| Gross realized losses on sales of securities | 0 | 0 | (957) | 0 |
| Net realized (losses) gains on sales of securities | 67 | 938 | (890) | 1,206 |
| Proceeds from sales of securities | $ 9,366 | $ 40,115 | $ 31,325 | $ 52,688 |
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- Definition Amount of realized gain on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of realized gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), excluding other-than-temporary impairment (OTTI). No definition available.
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- Definition Amount of realized loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), excluding other-than-temporary impairment (OTTI). No definition available.
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- References No definition available.
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- Definition Amount of cash inflow from sale, maturity, prepayment and call of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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