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Other Comprehensive Income (Loss) (Tables) | 12 Months Ended
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Dec. 31, 2020
Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract] |
Other comprehensive income | The pretax components of our other comprehensive income (loss) and related income tax (expense) benefit for the years ended December 31, 2020, 2019 and 2018 are included in table 10.1 below.
Components of other comprehensive income (loss)
Table | 10.1 |  |  |  |  |  |
(In thousands) |  | 2020 |  | 2019 |  | 2018
Net unrealized investment gains (losses) on securities without an allowance for credit losses |  | $ | 169,135 |  |  | $ | 220,139 |  |  | $ | (81,834) |
Income tax (expense) benefit |  | (35,519) |  |  | (46,229) |  |  | 17,188 |
Net of taxes |  | 133,616 |  |  | 173,910 |  |  | (64,646) |
Net changes in benefit plan assets and obligations |  | 13,288 |  |  | 29,129 |  |  | (19,958) |
Income tax (expense) benefit |  | (2,791) |  |  | (6,117) |  |  | 4,191 |
Net of taxes |  | 10,497 |  |  | 23,012 |  |  | (15,767) |
Total other comprehensive income (loss) |  | 182,423 |  |  | 249,268 |  |  | (101,792) |
Total income tax expense, net |  | (38,310) |  |  | (52,346) |  |  | 21,379 |
Total other comprehensive income, net of tax |  | $ | 144,113 |  |  | $ | 196,922 |  |  | $ | (80,413) |
Reclassification out of accumulated other comprehensive income | The pretax and related income tax benefit (expense) components of the amounts reclassified from our accumulated other comprehensive income (loss) ( "AOCI", "AOCL") to our consolidated statements of operations for the years ended December 31, 2020, 2019 and 2018 are included in table 10.2 below.
Reclassifications from Accumulated Other Comprehensive Income (Loss)
Table | 10.2 |  |  |  |  |  |
(In thousands) |  | 2020 |  | 2019 |  | 2018
Reclassification adjustment for net realized gains (losses) included in net income (1) |  | $ | 13,862 |  |  | $ | 3,637 |  |  | $ | (7,037) |
Income tax (expense) benefit |  | (2,912) |  |  | (763) |  |  | 1,477 |
Net of taxes |  | 10,950 |  |  | 2,874 |  |  | (5,560) |
Reclassification adjustment related to benefit plan assets and obligations (2) | (15,968) |  |  | (8,097) |  |  | (2,232) |
Income tax benefit |  | 3,353 |  |  | 1,701 |  |  | 469 |
Net of taxes |  | (12,615) |  |  | (6,396) |  |  | (1,763) |
Total reclassifications |  | (2,106) |  |  | (4,460) |  |  | (9,269) |
Total income tax benefit, net |  | 441 |  |  | 938 |  |  | 1,946 |
Total reclassifications, net of tax |  | $ | (1,665) |  |  | $ | (3,522) |  |  | $ | (7,323) |
(1)(Decreases) increases Net realized investment gains on the consolidated statements of operations. (2)Decreases (increases) Other underwriting and operating expenses, net on the consolidated statements of operations.
Accumulated other comprehensive income (loss) | A roll-forward of AOCI (AOCL) for the years ended December 31, 2020, 2019, and 2018, including amounts reclassified from AOCI (AOCL), is included in table 10.3 below.
Roll-forward of Accumulated Other Comprehensive Income (Loss)
Table | 10.3 |  |  |  |  |  |  |  |
(In thousands) |  | Net unrealized gains and losses on available-for-sale securities |  | Net benefit plan assets and obligations recognized in shareholders' equity |  |  |  | Total AOCL
Balance, December 31, 2017, net of tax |  | $ | 29,275 |  |  | $ | (73,058) |  |  |  |  | $ | (43,783) |
Cumulative effect of adopting the accounting standard update for financial instruments |  | (18) |  |  | — |  |  |  |  | (18) |
Other comprehensive income (loss) before reclassifications |  | (70,206) |  |  | (17,530) |  |  |  |  | (87,736) |
Less: Amounts reclassified from AOCL |  | (5,560) |  |  | (1,763) |  |  |  |  | (7,323) |
Balance, December 31, 2018, net of tax |  | (35,389) |  |  | (88,825) |  |  |  |  | (124,214) |
Other comprehensive income (loss) before reclassifications |  | 176,784 |  |  | 16,616 |  |  |  |  | 193,400 |
Less: Amounts reclassified from AOCL |  | 2,874 |  |  | (6,396) |  |  |  |  | (3,522) |
Balance, December 31, 2019, net of tax |  | 138,521 |  |  | (65,813) |  |  |  |  | 72,708 |
Other comprehensive income (loss) before reclassifications |  | 144,566 |  |  | (2,118) |  |  |  |  | 142,448 |
Less: Amounts reclassified from AOCL |  | 10,950 |  |  | (12,615) |  |  |  |  | (1,665) |
Balance, December 31, 2020, net of tax |  | $ | 272,137 |  |  | $ | (55,316) |  |  |  |  | 216,821 |

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