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v3.24.3

Business Segments (Financial Information of Company Operating Segments) (Details) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2024 USD ($) | Sep. 30, 2023 USD ($) | Sep. 30, 2024 USD ($) segment | Sep. 30, 2023 USD ($)
Segment Reporting [Abstract] |  |  |  |
Number of reportable segments | segment |  |  | 2 |
Segment Reporting Information [Line Items] |  |  |  |
Earned Premiums (1) | $ 2,926,823 | $ 2,641,914 | $ 8,537,585 | $ 7,686,073
Investment Income | 323,756 | 270,944 | 1,015,723 | 739,494
Other | 149,800 | 117,780 | 417,876 | 495,989
Total revenues | 3,400,379 | 3,030,638 | 9,971,184 | 8,921,556
Pre-Tax Income (Loss) | 474,449 | 419,949 | 1,536,192 | 1,253,205
Net Income (Loss) to Common Stockholders | 365,634 | 333,586 | 1,180,014 | 984,020
Net investment gains | (8,086) | (42,426) | (40,818) | 39,239
Net investment gains, net of tax | (8,043) | (33,021) | (35,008) | 31,206
Corporate, other and eliminations |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Earned Premiums (1) | 0 | 0 | 0 | 0
Investment Income | 13,485 | 7,893 | 45,429 | 30,787
Other | 148,697 | 151,063 | 430,492 | 429,180
Total revenues | 162,182 | 158,956 | 475,921 | 459,967
Pre-Tax Income (Loss) | (92,111) | (58,976) | (217,912) | (253,066)
Net Income (Loss) to Common Stockholders | (72,008) | (46,226) | (169,764) | (199,040)
Insurance |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Earned Premiums (1) |  | 2,291,917 |  | 6,650,027
Insurance | Operating Segments |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Earned Premiums (1) | 2,564,490 | 2,291,917 | 7,447,828 | 6,650,027
Investment Income | 253,234 | 204,030 | 801,573 | 552,917
Other | 9,189 | 9,143 | 28,202 | 27,570
Total revenues | 2,826,913 | 2,505,090 | 8,277,603 | 7,230,514
Pre-Tax Income (Loss) | 469,421 | 410,909 | 1,437,623 | 1,149,886
Net Income (Loss) to Common Stockholders | 363,026 | 326,086 | 1,102,363 | 900,434
Insurance | Operating Segments | Non-US |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total revenues | 350,000 | 298,000 | 1,112,000 | 852,000
Reinsurance & Monoline Excess |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Earned Premiums (1) |  | 349,997 |  | 1,036,046
Reinsurance & Monoline Excess | Operating Segments |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Earned Premiums (1) | 362,333 | 349,997 | 1,089,757 | 1,036,046
Investment Income | 57,037 | 59,021 | 168,721 | 155,790
Other | 0 | 0 | 0 | 0
Total revenues | 419,370 | 409,018 | 1,258,478 | 1,191,836
Pre-Tax Income (Loss) | 105,225 | 110,442 | 357,299 | 317,146
Net Income (Loss) to Common Stockholders | 82,659 | 86,747 | 282,423 | 251,420
Reinsurance & Monoline Excess | Operating Segments | Non-US |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total revenues | 125,000 | 124,000 | 353,000 | 333,000
Net investment gains |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Earned Premiums (1) | 0 | 0 | 0 | 0
Investment Income | $ 0 | $ 0 | $ 0 | $ 0

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- Definition Marketable Securities, Realized Gain (Loss), Excluding Other than Temporary Impairments, Net of Tax + References No definition available. + Details
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