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Components of Other Comprehensive Income/(Loss) | 12 Months Ended
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Dec. 31, 2017
Other Comprehensive Income (Loss), Net of Tax [Abstract] |
Components of Other Comprehensive Income/(Loss) | Components of Other Comprehensive Income/(Loss) The following table provides the changes in accumulated other comprehensive income/(loss) by component, net of tax, for the years ended December 31, 2017, 2016, and 2015:
(Dollars in thousands) |  | Securities AFS |  | Cash Flow Hedges |  | Pension and Post-retirement Plans |  | Total
Balance as of December 31, 2014 |  | $ | 18,581 |  |  | $ | — |  |  | $ | (206,827 | ) |  | $ | (188,246 | )
Net unrealized gains/(losses) |  | (14,055 | ) |  | — |  |  | (11,117 | ) |  | (25,172 | )
Amounts reclassified from AOCI |  | (1,132 | ) |  | — |  |  | 358 |  |  | (774 | )
Other comprehensive income/(loss) |  | (15,187 | ) |  | — |  |  | (10,759 | ) |  | (25,946 | )
Balance as of December 31, 2015 |  | 3,394 |  |  | — |  |  | (217,586 | ) |  | (214,192 | )
Net unrealized gains/(losses) |  | (19,709 | ) |  | 130 |  |  | (16,322 | ) |  | (35,901 | )
Amounts reclassified from AOCI |  | (917 | ) |  | (1,395 | ) |  | 4,751 |  |  | 2,439 |
Other comprehensive income/(loss) |  | (20,626 | ) |  | (1,265 | ) |  | (11,571 | ) |  | (33,462 | )
Balance as of December 31, 2016 |  | (17,232 | ) |  | (1,265 | ) |  | (229,157 | ) |  | (247,654 | )
Net unrealized gains/(losses) |  | (4,467 | ) |  | (2,156 | ) |  | (13,377 | ) |  | (20,000 | )
Amounts reclassified from AOCI |  | (298 | ) |  | (2,945 | ) |  | 5,618 |  |  | 2,375 |
Other comprehensive income/(loss) |  | (4,765 | ) |  | (5,101 | ) |  | (7,759 | ) |  | (17,625 | )
Balance as of December 31, 2017 |  | (21,997 | ) |  | (6,366 | ) |  | (236,916 | ) |  | (265,279 | )
Adjustment to reflect adoption of ASU 2018-02 |  | (4,837 | ) |  | (1,398 | ) |  | (51,311 | ) |  | (57,546 | )
Ending balance, as adjusted |  | $ | (26,834 | ) |  | $ | (7,764 | ) |  | $ | (288,227 | ) |  | $ | (322,825 | )
Reclassifications from AOCI, and related tax effects, were as follows:
(Dollars in thousands) |  |  |  |
Details about AOCI |  | 2017 |  | 2016 |  | 2015 |  | Affected line item in the statement where net income is presented
Securities AFS: |  |  |  |  |  |  |  |
Realized (gains)/losses on securities AFS |  | $ | (483 | ) |  | $ | (1,485 | ) |  | $ | (1,836 | ) |  | Debt securities gains/(losses), net
Tax expense/(benefit) |  | 185 |  |  | 568 |  |  | 704 |  |  | Provision/(benefit) for income taxes
|  | (298 | ) |  | (917 | ) |  | (1,132 | ) |  |
Cash flow hedges: |  |  |  |  |  |  |  |
Realized (gains)/losses on cash flow hedges |  | (4,771 | ) |  | (2,260 | ) |  | — |  |  | Interest and fees on loans
Tax expense/(benefit) |  | 1,826 |  |  | 865 |  |  | — |  |  | Provision/(benefit) for income taxes
|  | (2,945 | ) |  | (1,395 | ) |  | — |  |  |
Pension and Postretirement Plans: |  |  |  |  |  |  |  |
Amortization of prior service cost and net actuarial gain/(loss) |  | 9,101 |  |  | 7,697 |  |  | 580 |  |  | Employee compensation, incentives, and benefits
Tax expense/(benefit) |  | (3,483 | ) |  | (2,946 | ) |  | (222 | ) |  | Provision/(benefit) for income taxes
|  | 5,618 |  |  | 4,751 |  |  | 358 |  |  |
Total reclassification from AOCI |  | $ | 2,375 |  |  | $ | 2,439 |  |  | $ | (774 | ) |  |

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- Definition The entire disclosure for comprehensive income, which includes, but is not limited to, 1) the amount of income tax expense or benefit allocated to each component of other comprehensive income, including reclassification adjustments, 2) the reclassification adjustments for each classification of other comprehensive income and 3) the ending accumulated balances for each component of comprehensive income. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -URI http://asc.fasb.org/topic&trid=2134417 + Details
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- References No definition available. + Details
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