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v3.22.4

Industry Segments (Financial Information of Company Operating Segments) (Details) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2022 USD ($) segment | Dec. 31, 2021 USD ($) | Dec. 31, 2020 USD ($)
Segment Reporting Information [Line Items] |  |  |
Number of reportable segments | segment | 2 |  |
Earned Premiums | $ 9,561,429 | $ 8,106,031 | $ 6,930,843
Investment Income | 779,185 | 671,618 | 583,821
Net investment gains | 202,397 | 90,632 | 103,000
Other Revenues | 825,885 | 677,817 | 584,261
Total revenues | 11,166,499 | 9,455,466 | 8,098,925
Pre-Tax Income (Loss) | 1,719,681 | 1,282,905 | 704,802
Net investment gains | 159,727 | 72,922 | 93,181
Net income to common stockholders | 1,381,062 | 1,022,490 | 530,670
Insurance |  |  |
Segment Reporting Information [Line Items] |  |  |
Earned Premiums | 8,369,062 | 7,077,708 | 6,067,669
Reinsurance & Monoline Excess |  |  |
Segment Reporting Information [Line Items] |  |  |
Earned Premiums | 1,192,367 | 1,028,323 | 863,174
Operating Segments | Insurance |  |  |
Segment Reporting Information [Line Items] |  |  |
Earned Premiums | 8,369,062 | 7,077,708 | 6,067,669
Investment Income | 550,084 | 468,821 | 375,554
Other Revenues | 33,347 | 32,063 | 35,611
Total revenues | 8,952,493 | 7,578,592 | 6,478,834
Pre-Tax Income (Loss) | 1,455,658 | 1,219,798 | 668,012
Net income to common stockholders | 1,173,425 | 976,184 | 487,125
Operating Segments | Reinsurance & Monoline Excess |  |  |
Segment Reporting Information [Line Items] |  |  |
Earned Premiums | 1,192,367 | 1,028,323 | 863,174
Investment Income | 194,272 | 175,324 | 146,029
Other Revenues | 0 | 0 | 0
Total revenues | 1,386,639 | 1,203,647 | 1,009,203
Pre-Tax Income (Loss) | 316,527 | 270,563 | 205,587
Net income to common stockholders | 251,386 | 215,439 | 164,655
Corporate, other and eliminations |  |  |
Segment Reporting Information [Line Items] |  |  |
Investment Income | 34,829 | 27,473 | 62,238
Other Revenues | 590,141 | 555,122 | 445,650
Total revenues | 624,970 | 582,595 | 507,888
Pre-Tax Income (Loss) | (254,901) | (298,088) | (271,797)
Net income to common stockholders | $ (203,476) | $ (242,055) | $ (214,291)

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