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Other Comprehensive Income (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2017 | Jun. 30, 2016 | Jun. 30, 2017 | Jun. 30, 2016
Pre-Tax Amount |  |  |  |  |
Other comprehensive income (loss), before tax |  | $ (406) | $ 5,181 | $ 1,426 | $ 18,014
Tax (Expense) Benefit |  |  |  |  |
Other comprehensive income (loss), tax |  | 144 | (1,813) | (500) | (6,305)
Net of Tax Amount |  |  |  |  |
Other Comprehensive Income (Loss), Net of Tax |  | (262) | 3,368 | 926 | 11,709
Accumulated Net Investment Gain (Loss) Attributable to Parent |  |  |  |  |
Pre-Tax Amount |  |  |  |  |
Change in net unrealized gains/(losses) on securities available-for-sale |  | 2,672 | 4,636 | 4,335 | 13,669
Reclassification adjustment for net (gains)/losses on securities available-for-sale included in net income | [1] | (3,617) | 0 | (3,987) | 0
Tax (Expense) Benefit |  |  |  |  |
Change in net unrealized gains/(losses) on securities available-for-sale |  | (938) | (1,622) | (1,523) | (4,784)
Reclassification adjustment for net (gains)/losses on securities available-for-sale included in net income | [1] | 1,270 | 0 | 1,400 | 0
Net of Tax Amount |  |  |  |  |
Change in net unrealized gains/(losses) on securities available-for-sale |  | 1,734 | 3,014 | 2,812 | 8,885
Reclassification adjustment for net (gains)/losses on securities available-for-sale included in net income | [1] | (2,347) | 0 | (2,587) | 0
Accumulated Defined Benefit Plans Adjustment, Net Gain (Loss) Attributable to Parent |  |  |  |  |
Pre-Tax Amount |  |  |  |  |
Other comprehensive income (loss), before tax |  | 539 | 545 | 1,078 | 4,345
Tax (Expense) Benefit |  |  |  |  |
Other comprehensive income (loss), tax |  | (188) | (191) | (377) | (1,521)
Net of Tax Amount |  |  |  |  |
Other Comprehensive Income (Loss), Net of Tax |  | $ 351 | $ 354 | $ 701 | $ 2,824
[1] | Reclassification adjustments are comprised of realized security gains or losses. The realized gains or losses have been reclassified out of accumulated other comprehensive income and have affected certain lines in the consolidated statement of comprehensive income as follows; the pre-tax amount is included in securities gains/losses-net, the tax expense amount is included in the provision for income taxes and the net of tax amount is included in net income.

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