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Changes In Accumulated Other Comprehensive Income (Loss) By Component (Details) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017 | Jan. 01, 2018
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |  |  |  |
Beginning balance | $ 956,816 | $ 920,964 | $ 855,872 |
Unrealized gains (losses) arising during period, before tax | 28,531 | (44,074) |  |
Income tax effect | (7,418) | 11,460 |  |
Other comprehensive income (loss) before reclassifications | 21,113 | (32,614) |  |
Reclassification adjustments for losses (gains) included in net income, before tax | 406 | 15,742 |  |
Income tax effect | (106) | (4,093) |  |
Amounts reclassified from accumulated other comprehensive income (loss) to net income | 300 | 11,649 |  |
Net current-period other comprehensive income (loss) | 21,413 | (20,965) |  |
Ending balance | 1,052,795 | 956,816 | 920,964 |
Reclassification, cash flow hedge, before tax | (1,407) | 2,917 | (2,634) |
Unrealized Gains (Losses), available-for-sale securities |  |  |  |
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |  |  |  |
Beginning balance | (21,741) | (249) |  |
Balance after reclassification adjustments |  |  |  | $ (1,458)
Unrealized gains (losses) arising during period, before tax | 49,688 | (46,069) |  |
Income tax effect | (12,919) | 11,978 |  |
Other comprehensive income (loss) before reclassifications | 36,769 | (34,091) |  |
Reclassification adjustments for losses (gains) included in net income, before tax | (1,001) | 18,659 |  |
Income tax effect | 260 | (4,851) |  |
Amounts reclassified from accumulated other comprehensive income (loss) to net income | (741) | 13,808 |  |
Net current-period other comprehensive income (loss) | 36,028 | (20,283) |  |
Ending balance | 14,287 | (21,741) | (249) |
Foreign Currency Items, available-for-sale securities |  |  |  |
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |  |  |  |
Beginning balance | 0 | 88 |  |
Balance after reclassification adjustments |  |  |  | 0
Unrealized gains (losses) arising during period, before tax | 0 | 0 |  |
Income tax effect | 0 | 0 |  |
Other comprehensive income (loss) before reclassifications | 0 | 0 |  |
Reclassification adjustments for losses (gains) included in net income, before tax | 0 | 0 |  |
Income tax effect | 0 | 0 |  |
Amounts reclassified from accumulated other comprehensive income (loss) to net income | 0 | 0 |  |
Net current-period other comprehensive income (loss) | 0 | 0 |  |
Ending balance | 0 | 0 | 88 |
Total unrealized gains (losses), available-for-sale securities |  |  |  |
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |  |  |  |
Beginning balance | (21,741) | (161) |  |
Balance after reclassification adjustments |  |  |  | (1,458)
Unrealized gains (losses) arising during period, before tax | 49,688 | (46,069) |  |
Income tax effect | (12,919) | 11,978 |  |
Other comprehensive income (loss) before reclassifications | 36,769 | (34,091) |  |
Reclassification adjustments for losses (gains) included in net income, before tax | (1,001) | 18,659 |  |
Income tax effect | 260 | (4,851) |  |
Amounts reclassified from accumulated other comprehensive income (loss) to net income | (741) | 13,808 |  |
Net current-period other comprehensive income (loss) | 36,028 | (20,283) |  |
Ending balance | 14,287 | (21,741) | (161) |
Unrealized Gains (Losses) on Cash Flow Hedges |  |  |  |
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |  |  |  |
Beginning balance | (922) | (198) |  |
Balance after reclassification adjustments |  |  |  | (240)
Unrealized gains (losses) arising during period, before tax | (21,157) | 1,995 |  |
Income tax effect | 5,501 | (518) |  |
Other comprehensive income (loss) before reclassifications | (15,656) | 1,477 |  |
Reclassification adjustments for losses (gains) included in net income, before tax | 1,407 | (2,917) |  |
Income tax effect | (366) | 758 |  |
Amounts reclassified from accumulated other comprehensive income (loss) to net income | 1,041 | (2,159) |  |
Net current-period other comprehensive income (loss) | (14,615) | (682) |  |
Ending balance | (15,537) | (922) | (198) |
Accumulated other comprehensive income (loss) |  |  |  |
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |  |  |  |
Beginning balance | (22,663) | (359) | (4,892) |
Balance after reclassification adjustments |  |  |  | (1,698)
Ending balance | $ (1,250) | (22,663) | $ (359) |
Non-interest income |  |  |  |
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |  |  |  |
Reclassification, cash flow hedge, after tax |  | 70 |  |
Reclassification, cash flow hedge, before tax |  | 95 |  |
Other non-interest income |  |  |  |
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |  |  |  |
Reclassification, cash flow hedge, after tax |  | 2,100 |  |
Reclassification, cash flow hedge, before tax |  | $ 2,800 |  |
Accounting Standards Update 2018-02 |  |  |  |
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |  |  |  |
Cumulative effect adjustment |  |  |  | 0
Accounting Standards Update 2018-02 | Unrealized Gains (Losses), available-for-sale securities |  |  |  |
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |  |  |  |
Cumulative effect adjustment |  |  |  | (256)
Accounting Standards Update 2018-02 | Foreign Currency Items, available-for-sale securities |  |  |  |
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |  |  |  |
Cumulative effect adjustment |  |  |  | 0
Accounting Standards Update 2018-02 | Total unrealized gains (losses), available-for-sale securities |  |  |  |
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |  |  |  |
Cumulative effect adjustment |  |  |  | (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 adjustment |  |  |  | (42)
Accounting Standards Update 2018-02 | Accumulated other comprehensive income (loss) |  |  |  |
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |  |  |  |
Cumulative effect adjustment |  |  |  | (298)
Accounting Standards Update 2016-01 |  |  |  |
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |  |  |  |
Cumulative effect adjustment |  |  |  | 0
Accounting Standards Update 2016-01 | Unrealized Gains (Losses), available-for-sale securities |  |  |  |
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |  |  |  |
Cumulative effect adjustment |  |  |  | (953)
Accounting Standards Update 2016-01 | Foreign Currency Items, available-for-sale securities |  |  |  |
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |  |  |  |
Cumulative effect adjustment |  |  |  | (88)
Accounting Standards Update 2016-01 | Total unrealized gains (losses), available-for-sale securities |  |  |  |
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |  |  |  |
Cumulative effect adjustment |  |  |  | (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 adjustment |  |  |  | 0
Accounting Standards Update 2016-01 | Accumulated other comprehensive income (loss) |  |  |  |
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |  |  |  |
Cumulative effect adjustment |  |  |  | (1,041)
Combined effect of multiple accounting pronouncements on components of shareholders' equity | Accumulated other comprehensive income (loss) |  |  |  |
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |  |  |  |
Cumulative effect adjustment |  |  |  | $ (1,300)

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