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Accumulated Other Comprehensive Loss | 12 Months Ended
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Dec. 31, 2018
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract] |
Accumulated Other Comprehensive Loss | ACCUMULATED OTHER COMPREHENSIVE (LOSS) INCOME Accumulated other comprehensive loss included the following at December 31, 2018 and 2017:
| December 31, 2018 |  | December 31, 2017
(Dollars in thousands) | Accumulated other comprehensive loss |  | Deferred tax benefit |  | Accumulated other comprehensive loss, net of tax |  | Accumulated other comprehensive loss |  | Deferred tax benefit |  | Accumulated other comprehensive loss, net of tax
Unrealized losses on securities available for sale | $ | (50,007 | ) |  | $ | (11,502 | ) |  | $ | (38,505 | ) |  | $ | (48,834 | ) |  | $ | (17,889 | ) |  | $ | (30,945 | )
Unrealized losses on securities available for sale transferred to held to maturity | (92,401 | ) |  | (21,252 | ) |  | (71,149 | ) |  | — |  |  | — |  |  | — |
Defined benefit pension items | (163,030 | ) |  | (37,497 | ) |  | (125,533 | ) |  | (144,999 | ) |  | (53,650 | ) |  | (91,349 | )
Total | $ | (305,438 | ) |  | $ | (70,251 | ) |  | $ | (235,187 | ) |  | $ | (193,833 | ) |  | $ | (71,539 | ) |  | $ | (122,294 | )
The following table highlights changes in accumulated other comprehensive (loss) income by component for the years ended December 31, 2018 and 2017:
(Dollars in thousands) | Unrealized (losses) gains on securities available-for-sale(1) |  | Unrealized losses on securities available for sale transferred to held to maturity(1) |  | Defined benefit pension items(1) |  | Total
Balance at January 1, 2017 | $ | (45,875 | ) |  | $ | — |  |  | $ | (89,317 | ) |  | $ | (135,192 | )
Other comprehensive income (loss) before reclassifications | 17,635 |  |  | — |  |  | (8,156 | ) |  | 9,479 |
Amounts reclassified from accumulated other comprehensive loss | (2,705 | ) |  | — |  |  | 6,124 |  |  | 3,419 |
Net current period other comprehensive income (loss) | 14,930 |  |  | — |  |  | (2,032 | ) |  | 12,898 |
Balance at December 31, 2017 | (30,945 | ) |  | — |  |  | (91,349 | ) |  | (122,294 | )
Cumulative effect adjustments | (29,751 | ) |  | — |  |  | (20,300 | ) |  | (50,051 | )
Other comprehensive income (loss) before reclassifications | 22,461 |  |  | (84,321 | ) |  | (24,649 | ) |  | (86,509 | )
Amounts reclassified from accumulated other comprehensive loss | (270 | ) |  | 13,172 |  |  | 10,765 |  |  | 23,667 |
Net current period other comprehensive income (loss) | 22,191 |  |  | (71,149 | ) |  | (13,884 | ) |  | (62,842 | )
Balance at December 31, 2018 | $ | (38,505 | ) |  | $ | (71,149 | ) |  | $ | (125,533 | ) |  | $ | (235,187 | )
(1) All amounts are net of tax. Amounts in parentheses indicate debits. The following table presents the amounts reclassified from accumulated other comprehensive (loss) income and the line item affected in the statement where net income is presented for the twelve months ended December 31, 2018 and 2017:
(Dollars in thousands) |  | Year ended December 31, 2018
Details about accumulated other comprehensive (loss) income |  | Amount reclassified from accumulated other comprehensive (loss) income(1) |  | Affected line item in the statement where net income is presented
Unrealized gains and losses on available for sale securities |  | $ | 351 |  |  | Securities gains, net
|  | (81 | ) |  | Income taxes
|  | $ | 270 |  |  | Net income
Amortization of unrealized losses on securities available for sale transferred to held to maturity |  | $ | (17,106 | ) |  | Net interest income
|  | 3,934 |  |  | Income taxes
|  | $ | (13,172 | ) |  | Net Income
Amortization of defined benefit pension items |  |  |  |
Prior service costs |  | $ | (79 | ) |  | Salaries and wages
Actuarial losses |  | (13,902 | ) |  | Other
|  | (13,981 | ) |  | Noninterest expense
|  | 3,216 |  |  | Income taxes
|  | $ | (10,765 | ) |  | Net income
Total reclassifications for the period |  | $ | (23,667 | ) |  |
|  | Year ended December 31, 2017
Details about accumulated other comprehensive (loss) income |  | Amount reclassified from accumulated other comprehensive (loss) income(1) |  | Affected line item in the statement where net income is presented
Unrealized gains and losses on available for sale securities |  | $ | 4,293 |  |  | Securities gains, net
|  | (1,588 | ) |  | Income taxes
|  | $ | 2,705 |  |  | Net income
Amortization of defined benefit pension items |  |  |  |
Prior service costs |  | $ | (210 | ) |  | Salaries and wages
Actuarial losses |  | (9,510 | ) |  | Other
|  | (9,720 | ) |  | Noninterest expense
|  | 3,596 |  |  | Income taxes
|  | $ | (6,124 | ) |  | Net income
Total reclassifications for the period |  | $ | (3,419 | ) |  |
(1) Amounts in parentheses indicate debits to profit/loss.

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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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -URI http://asc.fasb.org/topic&trid=2134417 + Details
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