XML 23 R6.htm IDEA: XBRL DOCUMENT v3.22.0.1
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