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Comprehensive Income | 12 Months Ended
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Dec. 31, 2018
Equity [Abstract] |
Comprehensive Income | 4. COMPREHENSIVE INCOME The following tables detail the changes in the balances of each component of accumulated other comprehensive income for the affected periods:
| Unrealized Gains (Losses) on Available- for Sale Securities (1) |  | Amortization of Postretirement Benefit (1) |  | Gain (Loss) on Foreign Currency Translation (1) |  | Credit Risk Changes of Fair Value Option Liabilities (1) (2) |  | Total
Year Ended December 31, 2018: |  |  |  |  |  |  |  |  |
Beginning Balance | $ | 30,755 |  |  | $ | 10,640 |  |  | $ | (93,634 | ) |  | $ | — |  |  | $ | (52,239 | )
Adjustment to opening balance, net of taxes (3) | — |  |  | — |  |  | — |  |  | (2,900 | ) |  | (2,900 | )
Adjusted balance, beginning of period | 30,755 |  |  | 10,640 |  |  | (93,634 | ) |  | (2,900 | ) |  | (55,139 | )
Other comprehensive income before reclassifications | 135,903 |  |  | (556 | ) |  | (47,893 | ) |  | — |  |  | 87,454 |
Amounts reclassified from accumulated other comprehensive income | (80,755 | ) |  | (1,210 | ) |  | — |  |  | 935 |  |  | (81,030 | )
Net current period other comprehensive income | 55,148 |  |  | (1,766 | ) |  | (47,893 | ) |  | 935 |  |  | 6,424 |
Balance at December 31, 2018 | $ | 85,903 |  |  | $ | 8,874 |  |  | $ | (141,527 | ) |  | $ | (1,965 | ) |  | $ | (48,715 | )
Year ended December 31, 2017: |  |  |  |  |  |  |  |  |
Beginning Balance | $ | 118,863 |  |  | $ | 9,367 |  |  | $ | (167,220 | ) |  | $ | — |  |  | $ | (38,990 | )
Other comprehensive income before reclassifications | (96,325 | ) |  | 2,625 |  |  | 73,586 |  |  | — |  |  | (20,114 | )
Amounts reclassified from accumulated other comprehensive income | 14,805 |  |  | (1,352 | ) |  | — |  |  | — |  |  | 13,453 |
Adjustment to initially adopt ASU 2018-02 | (6,588 | ) |  | — |  |  | — |  |  | — |  |  | (6,588 | )
Net current period other comprehensive income (loss) | (88,108 | ) |  | 1,273 |  |  | 73,586 |  |  | — |  |  | (13,249 | )
Balance at December 31, 2017 | $ | 30,755 |  |  | $ | 10,640 |  |  | $ | (93,634 | ) |  | $ | — |  |  | $ | (52,239 | )
(1) | All amounts are net of tax and noncontrolling interest. Amounts in parentheses indicate reductions to Accumulated Other Comprehensive Income.
(2) | Represents the ch anges in fair value attributable to instrument-specific credit risk of liabilities for which the fair value option is elected.
(3) | Beginning in 2018, credit risk changes of fair value option liabilities are reflected as a component of Accumulated Other Comprehensive Income pursuant to the adoption of ASU 2016-01. Refer to Note 2. Basis of Presentation and Significant Accounting Policies for further information regarding this change.
The following table details the significant amounts reclassified from each component of accumulated other comprehensive income for the affected periods:
Details about Accumulated Other Comprehensive Income Components | Amount Reclassified from Accumulated Other Comprehensive Income (1) |  | Affected Line Item in the Consolidated Statement of Total Comprehensive Income
Year Ended December 31, |
2018 |  | 2017 |
Unrealized Gains (Losses) on Available-for-Sale Securities |  |  |  |  |
| $ | (81,665 | ) |  | $ | 14,805 |  |  | Net realized investment gains (loses)
| 910 |  |  | — |  |  | Provision for income taxes
| $ | (80,755 | ) |  | $ | 14,805 |  |  | Net of tax and noncontrolling interest (3)
Amortization of Postretirement Benefit |  |  |  |  |
Prior service cost | $ | (963 | ) |  | $ | (963 | ) |  | Other income (2)
Actuarial gains (losses) | (247 | ) |  | (389 | ) |  | Other income (2)
| (1,210 | ) |  | (1,352 | ) |  | Total before tax
| — |  |  | — |  |  | Provision for income taxes
| $ | (1,210 | ) |  | $ | (1,352 | ) |  | Net of tax and noncontrolling interest (3)
Credit Risk Changes of Fair Value Option Liabilities |  |  |  |  |
| $ | 1,096 |  |  | $ | — |  |  | Credit risk changes of fair value option liabilities
| (161 | ) |  | — |  |  | Provision for income taxes
| $ | 935 |  |  | $ | — |  |  | Net of tax and noncontrolling interest
Total reclassifications for the period | $ | (81,030 | ) |  | $ | 13,453 |  |  | Net of tax and noncontrolling interest (3)
(1) | Amounts in parentheses indicate debits to the Consolidated Statement of Comprehensive Income.
(2) | These accumulated other comprehensive income components are included in the computation of net periodic benefit cost.
(3) | Amount agrees with amount reported as reclassifications from AOCI in the disclosure about changes in AOCI balances.

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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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