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Schedule II - Condensed Financial Information Of The Registrant (Condensed Statements Of Operations) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Condensed Financial Statements, Captions [Line Items] |  |  |
Net Investment Income | $ 1,164,892 | $ 642,465 | $ 647,139
Net realized capital gains (losses) | 257,943 | 267,649 | 185,004
Other income (expense) | 36,987 | 6,487 | (4,660)
Total revenues | 11,866,263 | 9,598,114 | 8,231,169
Interest expense - affiliated | 70,149 | 36,323 | 31,693
Total claims and expenses | 10,320,642 | 9,012,765 | 7,132,182
INCOME (LOSS) BEFORE TAXES | 1,545,621 | 585,349 | 1,098,987
Income tax expense (benefit) | (166,538) | (71,198) | (89,526)
NET INCOME (LOSS) | 1,379,083 | 514,151 | 1,009,461
Unrealized appreciation (depreciation) ("URA(D)") on securities arising during the period | (488,378) | 423,210 | 496,430
Reclassification adjustment for realized losses (gains) included in net income (loss) | 3,616 | (3,476) | (12,613)
Total URA(D) on securities arising during the period | (484,762) | 419,734 | 483,817
Foreign currency translation adjustments | (62,091) | 86,327 | 14,030
Benefit plan actuarial net gain (loss) for the period | 6,251 | (5,615) | (12,591)
Reclassification adjustment for amortization of net (gain) loss included in net income (loss) | 17,227 | 6,300 | 5,453
Total benefit plan net gain (loss) for the period | 23,478 | 685 | (7,138)
Total other comprehensive income (loss), net of tax | (523,375) | 506,746 | 490,709
COMPREHENSIVE INCOME (LOSS) | 855,708 | 1,020,897 | 1,500,170
Parent Company [Member] |  |  |
Condensed Financial Statements, Captions [Line Items] |  |  |
Net Investment Income | 228 | 1,121 | 3,484
Net realized capital gains (losses) |  | 28 | (66)
Other income (expense) | (185) | 5,833 | 458
Net income (loss) of subsidiaries | 1,416,451 | 535,866 | 1,026,233
Total revenues | 1,416,494 | 542,848 | 1,030,109
Interest expense - affiliated | 5,952 | 5,155 | 2,087
Other expenses | 31,459 | 23,542 | 18,561
Total claims and expenses | 37,411 | 28,697 | 20,648
INCOME (LOSS) BEFORE TAXES | 1,379,083 | 514,151 | 1,009,461
NET INCOME (LOSS) | 1,379,083 | 514,151 | 1,009,461
Unrealized appreciation (depreciation) ("URA(D)") on securities arising during the period | (488,378) | 423,210 | 496,430
Reclassification adjustment for realized losses (gains) included in net income (loss) | 3,616 | (3,476) | (12,613)
Total URA(D) on securities arising during the period | (484,762) | 419,734 | 483,817
Foreign currency translation adjustments | (62,091) | 86,327 | 14,030
Benefit plan actuarial net gain (loss) for the period | 6,250 | (5,615) | (12,591)
Reclassification adjustment for amortization of net (gain) loss included in net income (loss) | 17,227 | 6,300 | 5,453
Total benefit plan net gain (loss) for the period | 23,478 | 685 | (7,138)
Total other comprehensive income (loss), net of tax | (523,375) | 506,746 | 490,709
COMPREHENSIVE INCOME (LOSS) | $ 855,708 | $ 1,020,897 | $ 1,500,170

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