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Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Statement of Comprehensive Income [Abstract] |  |  |
Income before income taxes and equity in undistributed income of subsidiaries | $ 989,360 | $ 484,665 | $ 765,015
Net income, income tax | (228,893) | (110,970) | (201,235)
Net income | 760,467 | 373,695 | 563,780
Before-tax Amount |  |  |
Net unrealized gains (losses) arising during the period | (234,550) | 108,626 | 217,501
Reclassification adjustment for realized (gains) losses included in net income | 799 | (78,931) | 7,659
Net change | (233,751) | 29,695 | 225,160
Income Tax |  |  |
Net unrealized gains (losses) arising during the period | 60,304 | (28,135) | (56,331)
Reclassification adjustment for realized (gains) losses included in net income | (202) | 20,443 | (1,984)
Net change | 60,102 | (7,692) | (58,315)
Net of Tax Amount |  |  |
Net unrealized gains (losses) arising during the period | (174,246) | 80,491 | 161,170
Reclassification adjustment for realized (gains) losses included in net income | 597 | (58,488) | 5,675
Net change | (173,649) | 22,003 | 166,845
Before-tax Amount |  |  |
Net unrealized gains (losses) arising during the period | (77,948) | 99,193 | (8,570)
Reclassification adjustment for realized (gains) losses included in net income | (12,862) | (2,765) | 0
Net change | (90,810) | 96,428 | (8,570)
Income Tax |  |  |
Net unrealized gains (losses) arising during the period | 20,243 | (25,691) | 2,220
Reclassification adjustment for realized (gains) losses included in net income | 3,260 | 716 | 0
Net change | 23,503 | (24,975) | 2,220
Net of Tax Amount |  |  |
Net unrealized gains (losses) arising during the period | (57,705) | 73,502 | (6,350)
Reclassification adjustment for realized (gains) losses included in net income | (9,602) | (2,049) | 0
Net change | (67,307) | 71,453 | (6,350)
Before-tax Amount |  |  |
Actuarial losses arising during the period | 0 | 0 | (510)
Reclassification adjustment for realized gains included in net income | 0 | (618) | (70)
Net change | 0 | (618) | (580)
Income Tax |  |  |
Actuarial losses arising during the period | 0 | 0 | 132
Reclassification adjustment for realized gains included in net income | 0 | 156 | 14
Net change | 0 | 156 | 146
Net of Tax Amount |  |  |
Actuarial losses arising during the period | 0 | 0 | (378)
Reclassification adjustment for realized gains included in net income | 0 | (462) | (56)
Net change | 0 | (462) | (434)
Other comprehensive income (loss), before-tax amount | (324,561) | 125,505 | 216,010
Other comprehensive income (loss), income tax | 83,605 | (32,511) | (55,949)
Net current period other comprehensive income (loss) | (240,956) | 92,994 | 160,061
Comprehensive income | $ 519,511 | $ 466,689 | $ 723,841

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