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Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($) $ in Thousands | Total | Common stock | Additional paid-in capital | Retained earnings | Accumulated Other Comprehensive Income (Loss) | Unrealized investment gain | Currency Translation Adjustments | Treasury stock | Noncontrolling interest
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |
Cumulative effect adjustment resulting from changes in accounting principles |  | $ 105,803 | $ 977,215 | $ 8,348,381 | $ (62,172) | $ 289,714 | $ (351,886) | $ (3,058,425) | $ 14,995
Beginning of period at Dec. 31, 2020 |  | 105,803 | 977,215 | 8,348,381 | (62,172) | 289,714 | (351,886) | (3,058,425) | 14,995
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |
Restricted stock units issued |  |  | 72 |  |  |  |  |  |
Restricted stock units expensed |  |  | 22,611 |  |  |  |  |  |
Net income before noncontrolling interests | $ 469,394 |  |  | 466,763 |  |  |  |  | 2,631
Dividends ($0.60, $0.42, $0.69 and $0.50 per share, respectively) |  |  |  | (133,056) |  |  |  |  |
Change in unrealized (losses) gains on securities without an allowance for expected credit losses | (66,858) |  |  |  |  | (77,145) |  |  |
Change in unrealized (losses) gains on securities with an allowance for expected credit losses |  |  |  |  |  | 10,286 |  |  |
Net change in period | 6,587 |  |  |  |  |  | 6,587 |  |
Stock exercised/vested |  |  |  |  |  |  |  | 1,039 |
Stock repurchased |  |  |  |  |  |  |  | (29,683) |
(Contributions) distributions |  |  |  |  |  |  |  |  | (7,947)
Other comprehensive loss, net of tax | $ (60,271) |  |  |  | (60,271) |  | 6,587 |  | (1)
End of period at Jun. 30, 2021 |  |  | 999,898 | 8,682,088 | (122,444) | 222,855 | (345,299) | (3,087,069) | 9,678
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |
Common stock dividends, per share, cash paid (in dollars per share) | $ 0.50 |  |  |  |  |  |  |  |
Cumulative effect adjustment resulting from changes in accounting principles |  | 105,803 | 988,288 | 8,556,621 | (148,252) | 199,584 | (347,836) | (3,087,860) | 15,684
Beginning of period at Mar. 31, 2021 |  | 105,803 | 988,288 | 8,556,621 | (148,252) | 199,584 | (347,836) | (3,087,860) | 15,684
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |
Restricted stock units issued |  |  | 597 |  |  |  |  |  |
Restricted stock units expensed |  |  | 11,013 |  |  |  |  |  |
Net income before noncontrolling interests | $ 237,678 |  |  | 237,238 |  |  |  |  | 440
Dividends ($0.60, $0.42, $0.69 and $0.50 per share, respectively) |  |  |  | (111,771) |  |  |  |  |
Change in unrealized (losses) gains on securities without an allowance for expected credit losses | 23,272 |  |  |  |  | 23,340 |  |  |
Change in unrealized (losses) gains on securities with an allowance for expected credit losses |  |  |  |  |  | (69) |  |  |
Net change in period | 2,537 |  |  |  |  |  | 2,537 |  |
Stock exercised/vested |  |  |  |  |  |  |  | 791 |
Stock repurchased |  |  |  |  |  |  |  | 0 |
(Contributions) distributions |  |  |  |  |  |  |  |  | (6,445)
Other comprehensive loss, net of tax | $ 25,809 |  |  |  | 25,809 |  | 2,537 |  | (1)
End of period at Jun. 30, 2021 |  |  | 999,898 | 8,682,088 | (122,444) | 222,855 | (345,299) | (3,087,069) | 9,678
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |
Common stock dividends, per share, cash paid (in dollars per share) | $ 0.42 |  |  |  |  |  |  |  |
Cumulative effect adjustment resulting from changes in accounting principles |  |  | 999,898 | 8,682,088 | (122,444) | 222,855 | (345,299) | (3,087,069) | 9,678
Cumulative effect adjustment resulting from changes in accounting principles | $ 6,667,730 | 105,803 | 981,104 | 9,015,135 | (281,955) | 90,900 | (372,855) | (3,167,076) | 14,719
Beginning of period at Dec. 31, 2021 | 6,667,730 | 105,803 | 981,104 | 9,015,135 | (281,955) | 90,900 | (372,855) | (3,167,076) | 14,719
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |
Restricted stock units issued |  |  | (2,370) |  |  |  |  |  |
Restricted stock units expensed |  |  | 22,359 |  |  |  |  |  |
Net income before noncontrolling interests | 772,496 |  |  | 769,960 |  |  |  |  | 2,536
Dividends ($0.60, $0.42, $0.69 and $0.50 per share, respectively) |  |  |  | (182,147) |  |  |  |  |
Change in unrealized (losses) gains on securities without an allowance for expected credit losses | (760,553) |  |  |  |  | (743,969) |  |  |
Change in unrealized (losses) gains on securities with an allowance for expected credit losses |  |  |  |  |  | (16,585) |  |  |
Net change in period | 12,879 |  |  |  |  |  | 12,879 |  |
Stock exercised/vested |  |  |  |  |  |  |  | 1,347 |
Stock repurchased |  |  |  |  |  |  |  | 0 |
(Contributions) distributions |  |  |  |  |  |  |  |  | 5,134
Other comprehensive loss, net of tax | (747,674) |  |  |  | (747,674) |  | 12,879 |  | (1)
End of period at Jun. 30, 2022 | $ 6,536,873 |  | 1,001,093 | 9,602,948 | (1,029,630) | (669,654) | (359,976) | (3,165,729) | 22,388
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |
Common stock dividends, per share, cash paid (in dollars per share) | $ 0.69 |  |  |  |  |  |  |  |
Cumulative effect adjustment resulting from changes in accounting principles |  | 105,803 | 992,012 | 9,582,790 | (649,229) | (332,646) | (316,583) | (3,166,873) | 23,296
Beginning of period at Mar. 31, 2022 |  | $ 105,803 | 992,012 | 9,582,790 | (649,229) | (332,646) | (316,583) | (3,166,873) | 23,296
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |
Restricted stock units issued |  |  | (1,840) |  |  |  |  |  |
Restricted stock units expensed |  |  | 10,921 |  |  |  |  |  |
Net income before noncontrolling interests | $ 179,467 |  |  | 179,322 |  |  |  |  | 145
Dividends ($0.60, $0.42, $0.69 and $0.50 per share, respectively) |  |  |  | (159,164) |  |  |  |  |
Change in unrealized (losses) gains on securities without an allowance for expected credit losses | (337,008) |  |  |  |  | (320,130) |  |  |
Change in unrealized (losses) gains on securities with an allowance for expected credit losses |  |  |  |  |  | (16,878) |  |  |
Net change in period | (43,393) |  |  |  |  |  | (43,393) |  |
Stock exercised/vested |  |  |  |  |  |  |  | 1,144 |
Stock repurchased |  |  |  |  |  |  |  | 0 |
(Contributions) distributions |  |  |  |  |  |  |  |  | (1,053)
Other comprehensive loss, net of tax | (380,401) |  |  |  | (380,401) |  | (43,393) |  | 0
End of period at Jun. 30, 2022 | $ 6,536,873 |  | 1,001,093 | 9,602,948 | (1,029,630) | (669,654) | (359,976) | (3,165,729) | 22,388
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |
Common stock dividends, per share, cash paid (in dollars per share) | $ 0.60 |  |  |  |  |  |  |  |
Cumulative effect adjustment resulting from changes in accounting principles | $ 6,536,873 |  | $ 1,001,093 | $ 9,602,948 | $ (1,029,630) | $ (669,654) | $ (359,976) | $ (3,165,729) | $ 22,388

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