Other Comprehensive Income (Loss) (Tables)

12 Months Ended

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