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Other Comprehensive (Loss) Income | 12 Months Ended
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Dec. 31, 2017
Equity [Abstract] |
Other Comprehensive (Loss) Income | Other Comprehensive (Loss) Income The following table presents the components of other comprehensive (loss) income both gross and net of tax, for the years ended December 31, 2017, 2016 and 2015 (in thousands):
| For the Years Ended December 31,
| 2017 |  | 2016 |  | 2015
| Before Tax |  | Tax Effect |  | After Tax |  | Before Tax |  | Tax Effect |  | After Tax |  | Before Tax |  | Tax Effect |  | After Tax
Components of Other Comprehensive (Loss)Income: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Unrealized gains and losses on securities available for sale: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net (losses) gains arising during the period | $ | (3,612 | ) |  | 1,449 |  |  | (2,163 | ) |  | (7,405 | ) |  | 2,974 |  |  | (4,431 | ) |  | (5,683 | ) |  | 2,282 |  |  | (3,401 | )
Reclassification adjustment for gains included in net income | — |  |  | — |  |  | — |  |  | (50 | ) |  | 20 |  |  | (30 | ) |  | (654 | ) |  | 263 |  |  | (391 | )
Total | (3,612 | ) |  | 1,449 |  |  | (2,163 | ) |  | (7,455 | ) |  | 2,994 |  |  | (4,461 | ) |  | (6,337 | ) |  | 2,545 |  |  | (3,792 | )
Unrealized gains (losses) on derivatives (cash flow hedges) | 633 |  |  | (254 | ) |  | 379 |  |  | 404 |  |  | (162 | ) |  | 242 |  |  | (122 | ) |  | 49 |  |  | (73 | )
Amortization related to post retirement obligations | (1,475 | ) |  | 586 |  |  | (889 | ) |  | 5,628 |  |  | (2,260 | ) |  | 3,368 |  |  | 2,156 |  |  | (866 | ) |  | 1,290 |
Total other comprehensive (loss) income | $ | (4,454 | ) |  | 1,781 |  |  | (2,673 | ) |  | (1,423 | ) |  | 572 |  |  | (851 | ) |  | (4,303 | ) |  | 1,728 |  |  | (2,575 | )
The Company, in accordance with ASU No. 2018-02, has elected to reclassify the income tax effects of the Tax Act from accumulated other comprehensive (loss) income to retained earning for the year ended December 31, 2017 The following table presents the changes in the components of accumulated other comprehensive (loss) income, net of tax, for the years ended December 31, 2017 and 2016, including the reclassification of income tax effects due to the adoption of ASU No. 2018-02 for the year ended December 31, 2017 (in thousands):
|  | Changes in Accumulated Other Comprehensive (Loss) Income by Component, net of tax For the Years Ended December 31,
|  | 2017 |  | 2016
|  | Unrealized Gains on Securities Available for Sale |  | Post-Retirement Obligations |  | Unrealized gains (losses) on Derivatives (cash flow hedges) |  | Accumulated Other Comprehensive (Loss) Income |  | Unrealized Gains on Securities Available for Sale |  | Post-Retirement Obligations |  | Unrealized gains (losses) on Derivatives (cash flow hedges) |  | Accumulated Other Comprehensive (Loss) Income
Balance at the beginning of the period |  | $ | (510 | ) |  | (3,056 | ) |  | 169 |  |  | (3,397 | ) |  | 3,951 |  |  | (6,424 | ) |  | (73 | ) |  | (2,546 | )
Current period change in other comprehensive income (loss) |  | (2,163 | ) |  | (889 | ) |  | 379 |  |  | (2,673 | ) |  | (4,461 | ) |  | 3,368 |  |  | 242 |  |  | (851 | )
Reclassification of tax effects due to the adoption of ASU No. 2018-02 |  | (619 | ) |  | (901 | ) |  | 125 |  |  | (1,395 | ) |  | — |  |  | — |  |  | — |  |  | — |
Balance at the end of the period |  | $ | (3,292 | ) |  | (4,846 | ) |  | 673 |  |  | (7,465 | ) |  | (510 | ) |  | (3,056 | ) |  | 169 |  |  | (3,397 | )
The following table summarizes the reclassifications out of accumulated other comprehensive (loss) income for the years ended December 31, 2017, 2016 and 2015 (in thousands):
|  | Reclassifications Out of Accumulated Other Comprehensive Income (Loss)
|  | Amount reclassified from AOCI for the years ended December 31, |  | Affected line item in the Consolidated Statement of Income
|  | 2017 |  | 2016 |  | 2015 |  |
Details of AOCI: |  |  |  |  |  |  |  |
Securities available for sale: |  |  |  |  |  |  |  |
Realized net gains on the sale of securities available for sale |  | $ | — |  |  | 50 |  |  | 654 |  |  | Net gain on securities transactions
|  | — |  |  | (20 | ) |  | (263 | ) |  | Income tax expense
|  | — |  |  | 30 |  |  | 391 |  |  | Net of tax
Post-retirement obligations: |  |  |  |  |  |  |  |
Amortization of actuarial losses |  | 243 |  |  | 943 |  |  | 774 |  |  | Compensation and employee benefits (1)
|  | (64 | ) |  | (379 | ) |  | (311 | ) |  | Income tax expense
|  | 179 |  |  | 564 |  |  | 463 |  |  | Net of tax
Total reclassifications |  | $ | 179 |  |  | 594 |  |  | 854 |  |  | Net of tax
(1) This item is included in the computation of net periodic benefit cost. See Note 11. Benefit Plans

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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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