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v3.19.3

Changes in Accumulated Other Comprehensive Income (Loss) By Component (Detail) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2019 | Sep. 30, 2018 | Sep. 30, 2019 | Sep. 30, 2018 | Jan. 01, 2018
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |  |  |  |  |
Beginning balance | $ 991,405 | $ 936,227 | $ 956,816 | $ 920,964 |
Other comprehensive income (loss) before reclassifications | 1,994 | 1,800 | 14,967 | (30,404) |
Amounts reclassified from accumulated other comprehensive income (loss) to net income | (175) | 11,944 | (478) | 11,849 |
Net current-period other comprehensive income (loss) | 1,819 | 13,744 | 14,489 | (18,555) |
Ending balance | 1,019,150 | 954,812 | 1,019,150 | 954,812 |
Reclassification, available-for-sale debt securities, after tax | (5,074) | (12,602) | (33,617) | 21,651 |
Reclassification adjustment for (gains) losses included in net income | 764 | (2,519) | 355 | (2,647) |
Unrealized Gains (Losses) |  |  |  |  |
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |  |  |  |  |
Beginning balance | 6,802 | (35,711) | (21,741) | (249) |
Balance after reclassification adjustments |  |  |  |  | $ (1,458)
Other comprehensive income (loss) before reclassifications | 5,815 | (1,206) | 34,358 | (35,459) |
Amounts reclassified from accumulated other comprehensive income (loss) to net income | (741) | 13,808 | (741) | 13,808 |
Net current-period other comprehensive income (loss) | 5,074 | 12,602 | 33,617 | (21,651) |
Ending balance | 11,876 | (23,109) | 11,876 | (23,109) |
Foreign Currency Items |  |  |  |  |
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |  |  |  |  |
Beginning balance | 0 | 0 | 0 | 88 |
Balance after reclassification adjustments |  |  |  |  | 0
Other comprehensive income (loss) before reclassifications | 0 | 0 | 0 | 0 |
Amounts reclassified from accumulated other comprehensive income (loss) to net income | 0 | 0 | 0 | 0 |
Net current-period other comprehensive income (loss) | 0 | 0 | 0 | 0 |
Ending balance | 0 | 0 | 0 | 0 |
Total Unrealized Gains (Losses) |  |  |  |  |
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |  |  |  |  |
Beginning balance | 6,802 | (35,711) | (21,741) | (161) |
Balance after reclassification adjustments |  |  |  |  | (1,458)
Other comprehensive income (loss) before reclassifications | 5,815 | (1,206) | 34,358 | (35,459) |
Amounts reclassified from accumulated other comprehensive income (loss) to net income | (741) | 13,808 | (741) | 13,808 |
Net current-period other comprehensive income (loss) | 5,074 | 12,602 | 33,617 | (21,651) |
Ending balance | 11,876 | (23,109) | 11,876 | (23,109) |
Unrealized Gains (Losses) on Cash Flow Hedges |  |  |  |  |
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |  |  |  |  |
Beginning balance | (16,795) | 1,714 | (922) | (198) |
Balance after reclassification adjustments |  |  |  |  | (240)
Other comprehensive income (loss) before reclassifications | (3,821) | 3,006 | (19,391) | 5,055 |
Amounts reclassified from accumulated other comprehensive income (loss) to net income | 566 | (1,864) | 263 | (1,959) |
Net current-period other comprehensive income (loss) | (3,255) | 1,142 | (19,128) | 3,096 |
Ending balance | (20,050) | 2,856 | (20,050) | 2,856 |
Total |  |  |  |  |
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |  |  |  |  |
Beginning balance | (9,993) | (33,997) | (22,663) | (359) |
Balance after reclassification adjustments |  |  |  |  | (1,698)
Ending balance | (8,174) | (20,253) | (8,174) | (20,253) |
Retained Earnings |  |  |  |  |
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |  |  |  |  |
Beginning balance | 334,157 | 299,990 | 316,651 | 258,076 |
Ending balance | 357,608 | 302,404 | 357,608 | 302,404 |
Accounting Standards Update 2018-02 |  |  |  |  |
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |  |  |  |  |
Cumulative effect of new accounting principle in period of adoption |  |  |  |  | 0
Accounting Standards Update 2018-02 | Unrealized Gains (Losses) |  |  |  |  |
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |  |  |  |  |
Cumulative effect of new accounting principle in period of adoption |  |  |  |  | (256)
Accounting Standards Update 2018-02 | Foreign Currency Items |  |  |  |  |
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |  |  |  |  |
Cumulative effect of new accounting principle in period of adoption |  |  |  |  | 0
Accounting Standards Update 2018-02 | Total Unrealized Gains (Losses) |  |  |  |  |
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |  |  |  |  |
Cumulative effect of new accounting principle in period of adoption |  |  |  |  | (256)
Accounting Standards Update 2018-02 | Unrealized Gains (Losses) on Cash Flow Hedges |  |  |  |  |
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |  |  |  |  |
Cumulative effect of new accounting principle in period of adoption |  |  |  |  | (42)
Accounting Standards Update 2018-02 | Total |  |  |  |  |
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |  |  |  |  |
Cumulative effect of new accounting principle in period of adoption |  |  |  |  | (298)
Accounting Standards Update 2018-02 | Retained Earnings |  |  |  |  |
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |  |  |  |  |
Cumulative effect of new accounting principle in period of adoption |  |  |  |  | 298
Accounting Standards Update 2016-01 |  |  |  |  |
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |  |  |  |  |
Cumulative effect of new accounting principle in period of adoption |  |  |  |  | 0
Accounting Standards Update 2016-01 | Unrealized Gains (Losses) |  |  |  |  |
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |  |  |  |  |
Cumulative effect of new accounting principle in period of adoption |  |  |  |  | (953)
Accounting Standards Update 2016-01 | Foreign Currency Items |  |  |  |  |
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |  |  |  |  |
Cumulative effect of new accounting principle in period of adoption |  |  |  |  | (88)
Accounting Standards Update 2016-01 | Total Unrealized Gains (Losses) |  |  |  |  |
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |  |  |  |  |
Cumulative effect of new accounting principle in period of adoption |  |  |  |  | (1,041)
Accounting Standards Update 2016-01 | Unrealized Gains (Losses) on Cash Flow Hedges |  |  |  |  |
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |  |  |  |  |
Cumulative effect of new accounting principle in period of adoption |  |  |  |  | 0
Accounting Standards Update 2016-01 | Total |  |  |  |  |
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |  |  |  |  |
Cumulative effect of new accounting principle in period of adoption |  |  |  |  | (1,041)
Accounting Standards Update 2016-01 | Retained Earnings |  |  |  |  |
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |  |  |  |  |
Cumulative effect of new accounting principle in period of adoption |  |  |  |  | 1,041
Combined effect of multiple accounting pronouncements on components of shareholders' equity | Total |  |  |  |  |
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |  |  |  |  |
Cumulative effect of new accounting principle in period of adoption |  |  |  |  | (1,300)
Combined effect of multiple accounting pronouncements on components of shareholders' equity | Retained Earnings |  |  |  |  |
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |  |  |  |  |
Cumulative effect of new accounting principle in period of adoption |  |  |  |  | $ 1,300
Gain (Loss) on Sale of Investment Securities |  |  |  |  |
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |  |  |  |  |
Reclassification, available-for-sale debt securities, before tax | (1,000) | 18,700 | (1,000) | 18,700 |
Reclassification, available-for-sale debt securities, after tax | (700) | 13,800 | (700) | 13,800 |
Interest Expense |  |  |  |  |
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |  |  |  |  |
Reclassification adjustment for (gains) losses included in net income | 800 | 303 | 400 | 175 |
Reclassification adjustment for (gains) losses included in net income | $ 600 | 224 | $ 300 | 129 |
Non-interest Income |  |  |  |  |
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |  |  |  |  |
Reclassification adjustment for (gains) losses included in net income |  | (2,800) |  | (2,800) |
Reclassification adjustment for (gains) losses included in net income |  | $ (2,100) |  | $ (2,100) |

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