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Reserve for Loss and Loss Expense - Schedule of Short-duration Insurance Contracts, Claims Development (Details) $ in Thousands | Dec. 31, 2024 USD ($) claim | Dec. 31, 2023 USD ($) | Dec. 31, 2022 USD ($) | Dec. 31, 2021 USD ($) | Dec. 31, 2020 USD ($) | Dec. 31, 2019 USD ($) | Dec. 31, 2018 USD ($) | Dec. 31, 2017 USD ($) | Dec. 31, 2016 USD ($) | Dec. 31, 2015 USD ($)
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Incurred Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | $ 17,240,492 |  |  |  |  |  |  |  |  |
Cumulative Paid Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | 12,222,095 |  |  |  |  |  |  |  |  |
Total liabilities for unpaid loss and loss expenses, net of reinsurance | 5,397,736 |  |  |  |  |  |  |  |  |
Standard Commercial Lines | General liability |  |  |  |  |  |  |  |  |  |
Incurred Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | 4,233,645 |  |  |  |  |  |  |  |  |
Cumulative Paid Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | 1,943,633 |  |  |  |  |  |  |  |  |
Total liabilities for unpaid loss and loss expenses, net of reinsurance | 2,432,883 |  |  |  |  |  |  |  |  |
Standard Commercial Lines | Workers Compensation |  |  |  |  |  |  |  |  |  |
Incurred Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | 1,691,144 |  |  |  |  |  |  |  |  |
Cumulative Paid Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | 1,138,179 |  |  |  |  |  |  |  |  |
Total liabilities for unpaid loss and loss expenses, net of reinsurance | 757,202 |  |  |  |  |  |  |  |  |
Standard Commercial Lines | Commercial automobile |  |  |  |  |  |  |  |  |  |
Incurred Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | 4,451,896 |  |  |  |  |  |  |  |  |
Cumulative Paid Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | 3,383,498 |  |  |  |  |  |  |  |  |
Total liabilities for unpaid loss and loss expenses, net of reinsurance | 1,073,194 |  |  |  |  |  |  |  |  |
Standard Commercial Lines | Businessowners’ policies |  |  |  |  |  |  |  |  |  |
Incurred Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | 680,409 |  |  |  |  |  |  |  |  |
Cumulative Paid Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | 570,813 |  |  |  |  |  |  |  |  |
Total liabilities for unpaid loss and loss expenses, net of reinsurance | 117,985 |  |  |  |  |  |  |  |  |
Standard Commercial Lines | Commercial property |  |  |  |  |  |  |  |  |  |
Incurred Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | 2,236,753 |  |  |  |  |  |  |  |  |
Cumulative Paid Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | 2,084,845 |  |  |  |  |  |  |  |  |
Total liabilities for unpaid loss and loss expenses, net of reinsurance | 151,963 |  |  |  |  |  |  |  |  |
Standard Personal Lines | Personal automobile |  |  |  |  |  |  |  |  |  |
Incurred Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | 1,229,833 |  |  |  |  |  |  |  |  |
Cumulative Paid Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | 1,081,359 |  |  |  |  |  |  |  |  |
Total liabilities for unpaid loss and loss expenses, net of reinsurance | 154,177 |  |  |  |  |  |  |  |  |
Standard Personal Lines | Homeowners |  |  |  |  |  |  |  |  |  |
Incurred Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | 937,241 |  |  |  |  |  |  |  |  |
Cumulative Paid Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | 888,657 |  |  |  |  |  |  |  |  |
Total liabilities for unpaid loss and loss expenses, net of reinsurance | 53,380 |  |  |  |  |  |  |  |  |
E&S Lines | Casualty lines |  |  |  |  |  |  |  |  |  |
Incurred Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | 1,246,514 |  |  |  |  |  |  |  |  |
Cumulative Paid Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | 652,474 |  |  |  |  |  |  |  |  |
Total liabilities for unpaid loss and loss expenses, net of reinsurance | 601,439 |  |  |  |  |  |  |  |  |
Short-duration Insurance Contracts, Accident Year 2014 |  |  |  |  |  |  |  |  |  |
Cumulative Paid Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total liabilities for unpaid loss and loss expenses, net of reinsurance | 379,339 |  |  |  |  |  |  |  |  |
Short-duration Insurance Contracts, Accident Year 2014 | Standard Commercial Lines | General liability |  |  |  |  |  |  |  |  |  |
Cumulative Paid Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total liabilities for unpaid loss and loss expenses, net of reinsurance | 142,871 |  |  |  |  |  |  |  |  |
Short-duration Insurance Contracts, Accident Year 2014 | Standard Commercial Lines | Workers Compensation |  |  |  |  |  |  |  |  |  |
Cumulative Paid Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total liabilities for unpaid loss and loss expenses, net of reinsurance | 204,237 |  |  |  |  |  |  |  |  |
Short-duration Insurance Contracts, Accident Year 2014 | Standard Commercial Lines | Commercial automobile |  |  |  |  |  |  |  |  |  |
Cumulative Paid Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total liabilities for unpaid loss and loss expenses, net of reinsurance | 4,796 |  |  |  |  |  |  |  |  |
Short-duration Insurance Contracts, Accident Year 2014 | Standard Commercial Lines | Businessowners’ policies |  |  |  |  |  |  |  |  |  |
Cumulative Paid Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total liabilities for unpaid loss and loss expenses, net of reinsurance | 8,389 |  |  |  |  |  |  |  |  |
Short-duration Insurance Contracts, Accident Year 2014 | Standard Commercial Lines | Commercial property |  |  |  |  |  |  |  |  |  |
Cumulative Paid Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total liabilities for unpaid loss and loss expenses, net of reinsurance | 55 |  |  |  |  |  |  |  |  |
Short-duration Insurance Contracts, Accident Year 2014 | Standard Personal Lines | Personal automobile |  |  |  |  |  |  |  |  |  |
Cumulative Paid Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total liabilities for unpaid loss and loss expenses, net of reinsurance | 5,703 |  |  |  |  |  |  |  |  |
Short-duration Insurance Contracts, Accident Year 2014 | Standard Personal Lines | Homeowners |  |  |  |  |  |  |  |  |  |
Cumulative Paid Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total liabilities for unpaid loss and loss expenses, net of reinsurance | 4,796 |  |  |  |  |  |  |  |  |
Short-duration Insurance Contracts, Accident Year 2014 | E&S Lines | Casualty lines |  |  |  |  |  |  |  |  |  |
Cumulative Paid Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total liabilities for unpaid loss and loss expenses, net of reinsurance | 7,399 |  |  |  |  |  |  |  |  |
Short-duration Insurance Contracts, Accident Year 2015 |  |  |  |  |  |  |  |  |  |
Incurred Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | 1,104,250 | $ 1,105,039 | $ 1,103,543 | $ 1,103,592 | $ 1,108,860 | $ 1,119,441 | $ 1,138,313 | $ 1,144,830 | $ 1,130,513 | $ 1,114,081
IBNR | $ 29,315 |  |  |  |  |  |  |  |  |
Cumulative Number of Reported Claims | claim | 95,762 |  |  |  |  |  |  |  |  |
Cumulative Paid Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | $ 1,042,528 | 1,032,064 | 1,018,023 | 1,000,509 | 967,857 | 929,222 | 845,868 | 725,385 | 581,203 | 376,641
Short-duration Insurance Contracts, Accident Year 2015 | Standard Commercial Lines | General liability |  |  |  |  |  |  |  |  |  |
Incurred Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | 214,672 | 213,653 | 210,137 | 211,768 | 214,176 | 219,204 | 233,249 | 246,990 | 245,710 | 254,720
IBNR | $ 11,840 |  |  |  |  |  |  |  |  |
Cumulative Number of Reported Claims | claim | 10,623 |  |  |  |  |  |  |  |  |
Cumulative Paid Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | $ 192,275 | 186,336 | 179,117 | 173,697 | 157,071 | 144,216 | 116,804 | 78,668 | 39,978 | 14,665
Short-duration Insurance Contracts, Accident Year 2015 | Standard Commercial Lines | Workers Compensation |  |  |  |  |  |  |  |  |  |
Incurred Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | 165,050 | 166,042 | 169,008 | 170,577 | 172,572 | 176,242 | 179,642 | 183,604 | 194,639 | 193,729
IBNR | $ 14,710 |  |  |  |  |  |  |  |  |
Cumulative Number of Reported Claims | claim | 10,554 |  |  |  |  |  |  |  |  |
Cumulative Paid Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | $ 134,405 | 133,272 | 132,235 | 129,019 | 124,046 | 120,097 | 112,601 | 98,195 | 77,320 | 33,857
Short-duration Insurance Contracts, Accident Year 2015 | Standard Commercial Lines | Commercial automobile |  |  |  |  |  |  |  |  |  |
Incurred Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | 263,301 | 263,115 | 262,766 | 262,054 | 261,386 | 260,565 | 259,495 | 253,074 | 240,958 | 220,994
IBNR | $ 178 |  |  |  |  |  |  |  |  |
Cumulative Number of Reported Claims | claim | 30,579 |  |  |  |  |  |  |  |  |
Cumulative Paid Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | $ 261,389 | 260,328 | 257,668 | 255,600 | 249,905 | 238,142 | 211,515 | 175,866 | 132,260 | 91,347
Short-duration Insurance Contracts, Accident Year 2015 | Standard Commercial Lines | Businessowners’ policies |  |  |  |  |  |  |  |  |  |
Incurred Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | 51,551 | 51,457 | 52,514 | 52,200 | 52,325 | 54,454 | 55,925 | 57,245 | 53,768 | 52,871
IBNR | $ 24 |  |  |  |  |  |  |  |  |
Cumulative Number of Reported Claims | claim | 3,973 |  |  |  |  |  |  |  |  |
Cumulative Paid Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | $ 51,335 | 51,308 | 51,120 | 50,005 | 49,839 | 49,073 | 46,571 | 42,710 | 36,014 | 24,189
Short-duration Insurance Contracts, Accident Year 2015 | Standard Commercial Lines | Commercial property |  |  |  |  |  |  |  |  |  |
Incurred Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | 112,965 | 112,974 | 112,915 | 112,937 | 112,582 | 112,496 | 111,566 | 111,750 | 109,513 | 110,270
IBNR | $ 7 |  |  |  |  |  |  |  |  |
Cumulative Number of Reported Claims | claim | 6,408 |  |  |  |  |  |  |  |  |
Cumulative Paid Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | $ 112,560 | 112,568 | 112,391 | 112,410 | 112,117 | 110,969 | 110,994 | 109,829 | 106,182 | 79,048
Short-duration Insurance Contracts, Accident Year 2015 | Standard Personal Lines | Personal automobile |  |  |  |  |  |  |  |  |  |
Incurred Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | 98,860 | 98,939 | 98,669 | 98,596 | 98,588 | 98,718 | 99,570 | 100,214 | 99,698 | 96,387
IBNR | $ (44) |  |  |  |  |  |  |  |  |
Cumulative Number of Reported Claims | claim | 20,866 |  |  |  |  |  |  |  |  |
Cumulative Paid Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | $ 98,798 | 98,483 | 97,920 | 97,761 | 97,275 | 95,997 | 92,102 | 87,163 | 76,470 | 58,725
Short-duration Insurance Contracts, Accident Year 2015 | Standard Personal Lines | Homeowners |  |  |  |  |  |  |  |  |  |
Incurred Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | 74,251 | 74,265 | 74,237 | 74,682 | 74,673 | 74,978 | 74,723 | 76,559 | 76,400 | 76,637
IBNR | $ 32 |  |  |  |  |  |  |  |  |
Cumulative Number of Reported Claims | claim | 7,754 |  |  |  |  |  |  |  |  |
Cumulative Paid Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | $ 74,119 | 74,108 | 74,108 | 74,096 | 74,052 | 74,079 | 72,927 | 72,202 | 70,078 | 52,589
Short-duration Insurance Contracts, Accident Year 2015 | E&S Lines | Casualty lines |  |  |  |  |  |  |  |  |  |
Incurred Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | 90,462 | 91,424 | 90,263 | 87,662 | 90,126 | 90,355 | 90,488 | 82,404 | 76,432 | 75,498
IBNR | $ 2,524 |  |  |  |  |  |  |  |  |
Cumulative Number of Reported Claims | claim | 2,916,000 |  |  |  |  |  |  |  |  |
Cumulative Paid Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | $ 85,569 | 83,587 | 81,396 | 75,844 | 71,421 | 64,529 | 50,712 | 29,389 | 13,057 | $ 3,036
Short-duration Insurance Contracts, Accident Year 2016 |  |  |  |  |  |  |  |  |  |
Incurred Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | 1,164,173 | 1,163,467 | 1,167,539 | 1,171,273 | 1,180,829 | 1,199,734 | 1,227,142 | 1,203,634 | 1,188,608 |
IBNR | $ 38,759 |  |  |  |  |  |  |  |  |
Cumulative Number of Reported Claims | claim | 96,680 |  |  |  |  |  |  |  |  |
Cumulative Paid Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | $ 1,106,036 | 1,088,453 | 1,061,952 | 1,025,264 | 983,852 | 892,390 | 764,331 | 617,958 | 387,272 |
Short-duration Insurance Contracts, Accident Year 2016 | Standard Commercial Lines | General liability |  |  |  |  |  |  |  |  |  |
Incurred Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | 247,611 | 244,782 | 243,669 | 246,643 | 252,733 | 263,245 | 277,986 | 272,048 | 277,214 |
IBNR | $ 18,447 |  |  |  |  |  |  |  |  |
Cumulative Number of Reported Claims | claim | 10,940 |  |  |  |  |  |  |  |  |
Cumulative Paid Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | $ 222,067 | 211,725 | 199,032 | 181,770 | 164,136 | 133,757 | 89,431 | 46,549 | 15,684 |
Short-duration Insurance Contracts, Accident Year 2016 | Standard Commercial Lines | Workers Compensation |  |  |  |  |  |  |  |  |  |
Incurred Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | 147,479 | 147,732 | 151,961 | 155,210 | 156,540 | 166,009 | 176,248 | 184,946 | 196,774 |
IBNR | $ 16,087 |  |  |  |  |  |  |  |  |
Cumulative Number of Reported Claims | claim | 10,587 |  |  |  |  |  |  |  |  |
Cumulative Paid Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | $ 124,923 | 123,232 | 122,186 | 119,800 | 115,159 | 109,166 | 98,037 | 78,531 | 34,525 |
Short-duration Insurance Contracts, Accident Year 2016 | Standard Commercial Lines | Commercial automobile |  |  |  |  |  |  |  |  |  |
Incurred Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | 294,371 | 294,878 | 294,297 | 291,674 | 290,359 | 285,304 | 285,302 | 274,367 | 255,187 |
IBNR | $ 600 |  |  |  |  |  |  |  |  |
Cumulative Number of Reported Claims | claim | 32,610 |  |  |  |  |  |  |  |  |
Cumulative Paid Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | $ 291,380 | 288,512 | 284,870 | 277,242 | 264,858 | 233,939 | 200,701 | 155,720 | 106,022 |
Short-duration Insurance Contracts, Accident Year 2016 | Standard Commercial Lines | Businessowners’ policies |  |  |  |  |  |  |  |  |  |
Incurred Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | 52,835 | 52,930 | 53,201 | 53,147 | 53,367 | 53,835 | 54,993 | 53,792 | 52,335 |
IBNR | $ 114 |  |  |  |  |  |  |  |  |
Cumulative Number of Reported Claims | claim | 3,858 |  |  |  |  |  |  |  |  |
Cumulative Paid Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | $ 52,499 | 52,427 | 52,070 | 50,536 | 48,786 | 45,308 | 39,973 | 36,848 | 24,655 |
Short-duration Insurance Contracts, Accident Year 2016 | Standard Commercial Lines | Commercial property |  |  |  |  |  |  |  |  |  |
Incurred Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | 123,137 | 123,067 | 123,126 | 123,005 | 123,567 | 124,487 | 125,937 | 126,185 | 121,927 |
IBNR | $ 10 |  |  |  |  |  |  |  |  |
Cumulative Number of Reported Claims | claim | 6,744 |  |  |  |  |  |  |  |  |
Cumulative Paid Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | $ 123,279 | 123,203 | 123,265 | 122,909 | 123,601 | 123,828 | 122,930 | 118,789 | 83,966 |
Short-duration Insurance Contracts, Accident Year 2016 | Standard Personal Lines | Personal automobile |  |  |  |  |  |  |  |  |  |
Incurred Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | 100,287 | 100,458 | 100,395 | 99,858 | 99,544 | 101,140 | 100,202 | 98,032 | 92,727 |
IBNR | $ (54) |  |  |  |  |  |  |  |  |
Cumulative Number of Reported Claims | claim | 19,827 |  |  |  |  |  |  |  |  |
Cumulative Paid Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | $ 100,359 | 100,315 | 99,656 | 98,977 | 98,080 | 94,372 | 86,752 | 76,823 | 57,961 |
Short-duration Insurance Contracts, Accident Year 2016 | Standard Personal Lines | Homeowners |  |  |  |  |  |  |  |  |  |
Incurred Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | 60,441 | 60,453 | 60,841 | 60,855 | 61,735 | 61,723 | 62,391 | 60,931 | 60,105 |
IBNR | $ 33 |  |  |  |  |  |  |  |  |
Cumulative Number of Reported Claims | claim | 6,896 |  |  |  |  |  |  |  |  |
Cumulative Paid Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | $ 60,480 | 60,480 | 60,474 | 60,449 | 61,187 | 60,082 | 59,546 | 57,333 | 42,252 |
Short-duration Insurance Contracts, Accident Year 2016 | E&S Lines | Casualty lines |  |  |  |  |  |  |  |  |  |
Incurred Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | 100,039 | 101,105 | 101,873 | 102,476 | 104,730 | 105,120 | 104,655 | 96,416 | 94,451 |
IBNR | $ 3,445 |  |  |  |  |  |  |  |  |
Cumulative Number of Reported Claims | claim | 3,043,000 |  |  |  |  |  |  |  |  |
Cumulative Paid Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | $ 93,152 | 90,665 | 81,932 | 75,004 | 69,448 | 56,581 | 33,950 | 16,195 | $ 3,720 |
Short-duration Insurance Contracts, Accident Year 2017 |  |  |  |  |  |  |  |  |  |
Incurred Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | 1,295,753 | 1,287,882 | 1,273,039 | 1,268,941 | 1,288,526 | 1,313,585 | 1,313,372 | 1,270,110 |  |
IBNR | $ 50,141 |  |  |  |  |  |  |  |  |
Cumulative Number of Reported Claims | claim | 100,703 |  |  |  |  |  |  |  |  |
Cumulative Paid Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | $ 1,219,053 | 1,180,346 | 1,116,336 | 1,050,258 | 954,792 | 829,134 | 678,453 | 433,440 |  |
Short-duration Insurance Contracts, Accident Year 2017 | Standard Commercial Lines | General liability |  |  |  |  |  |  |  |  |  |
Incurred Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | 299,118 | 293,448 | 283,379 | 278,607 | 289,883 | 301,384 | 293,128 | 293,747 |  |
IBNR | $ 26,871 |  |  |  |  |  |  |  |  |
Cumulative Number of Reported Claims | claim | 11,529 |  |  |  |  |  |  |  |  |
Cumulative Paid Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | $ 260,015 | 241,879 | 201,948 | 167,002 | 131,980 | 92,355 | 49,470 | 17,366 |  |
Short-duration Insurance Contracts, Accident Year 2017 | Standard Commercial Lines | Workers Compensation |  |  |  |  |  |  |  |  |  |
Incurred Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | 149,400 | 148,949 | 151,221 | 154,159 | 162,672 | 175,853 | 184,306 | 195,202 |  |
IBNR | $ 16,582 |  |  |  |  |  |  |  |  |
Cumulative Number of Reported Claims | claim | 10,814 |  |  |  |  |  |  |  |  |
Cumulative Paid Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | $ 126,684 | 123,573 | 120,468 | 116,426 | 110,645 | 100,645 | 82,216 | 40,375 |  |
Short-duration Insurance Contracts, Accident Year 2017 | Standard Commercial Lines | Commercial automobile |  |  |  |  |  |  |  |  |  |
Incurred Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | 326,740 | 326,832 | 325,654 | 326,461 | 322,197 | 324,291 | 329,389 | 301,274 |  |
IBNR | $ 1,508 |  |  |  |  |  |  |  |  |
Cumulative Number of Reported Claims | claim | 33,910 |  |  |  |  |  |  |  |  |
Cumulative Paid Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | $ 323,126 | 318,047 | 309,810 | 296,600 | 262,349 | 220,422 | 178,823 | 117,287 |  |
Short-duration Insurance Contracts, Accident Year 2017 | Standard Commercial Lines | Businessowners’ policies |  |  |  |  |  |  |  |  |  |
Incurred Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | 42,811 | 42,408 | 42,374 | 43,606 | 48,067 | 51,524 | 48,698 | 46,624 |  |
IBNR | $ 86 |  |  |  |  |  |  |  |  |
Cumulative Number of Reported Claims | claim | 3,899 |  |  |  |  |  |  |  |  |
Cumulative Paid Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | $ 42,491 | 41,217 | 40,845 | 39,940 | 40,359 | 36,950 | 31,337 | 21,865 |  |
Short-duration Insurance Contracts, Accident Year 2017 | Standard Commercial Lines | Commercial property |  |  |  |  |  |  |  |  |  |
Incurred Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | 156,590 | 155,408 | 154,942 | 154,119 | 153,664 | 149,044 | 149,106 | 138,773 |  |
IBNR | $ 13 |  |  |  |  |  |  |  |  |
Cumulative Number of Reported Claims | claim | 6,907 |  |  |  |  |  |  |  |  |
Cumulative Paid Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | $ 155,246 | 155,236 | 154,689 | 153,750 | 152,018 | 148,589 | 142,338 | 99,047 |  |
Short-duration Insurance Contracts, Accident Year 2017 | Standard Personal Lines | Personal automobile |  |  |  |  |  |  |  |  |  |
Incurred Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | 104,998 | 105,243 | 105,079 | 103,557 | 103,260 | 103,653 | 105,139 | 101,880 |  |
IBNR | $ 109 |  |  |  |  |  |  |  |  |
Cumulative Number of Reported Claims | claim | 20,751 |  |  |  |  |  |  |  |  |
Cumulative Paid Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | $ 104,831 | 104,114 | 103,556 | 100,521 | 97,628 | 91,479 | 82,730 | 62,854 |  |
Short-duration Insurance Contracts, Accident Year 2017 | Standard Personal Lines | Homeowners |  |  |  |  |  |  |  |  |  |
Incurred Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | 68,498 | 68,919 | 68,902 | 68,938 | 70,064 | 70,365 | 67,978 | 59,167 |  |
IBNR | $ 32 |  |  |  |  |  |  |  |  |
Cumulative Number of Reported Claims | claim | 7,391 |  |  |  |  |  |  |  |  |
Cumulative Paid Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | $ 68,466 | 68,454 | 68,282 | 68,078 | 67,767 | 67,193 | 63,290 | 45,466 |  |
Short-duration Insurance Contracts, Accident Year 2017 | E&S Lines | Casualty lines |  |  |  |  |  |  |  |  |  |
Incurred Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | 108,219 | 106,663 | 102,045 | 99,960 | 99,395 | 99,866 | 95,783 | 91,438 |  |
IBNR | $ 4,842 |  |  |  |  |  |  |  |  |
Cumulative Number of Reported Claims | claim | 2,888,000 |  |  |  |  |  |  |  |  |
Cumulative Paid Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | $ 99,141 | 88,294 | 77,090 | 68,266 | 53,238 | 34,179 | 14,672 | $ 5,057 |  |
Short-duration Insurance Contracts, Accident Year 2018 |  |  |  |  |  |  |  |  |  |
Incurred Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | 1,432,093 | 1,424,953 | 1,425,540 | 1,441,303 | 1,457,415 | 1,461,603 | 1,413,800 |  |  |
IBNR | $ 80,284 |  |  |  |  |  |  |  |  |
Cumulative Number of Reported Claims | claim | 107,973 |  |  |  |  |  |  |  |  |
Cumulative Paid Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | $ 1,301,950 | 1,252,623 | 1,187,744 | 1,083,556 | 942,893 | 779,466 | 511,271 |  |  |
Short-duration Insurance Contracts, Accident Year 2018 | Standard Commercial Lines | General liability |  |  |  |  |  |  |  |  |  |
Incurred Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | 330,054 | 329,102 | 324,567 | 332,013 | 345,224 | 336,326 | 317,934 |  |  |
IBNR | $ 44,580 |  |  |  |  |  |  |  |  |
Cumulative Number of Reported Claims | claim | 12,025 |  |  |  |  |  |  |  |  |
Cumulative Paid Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | $ 261,198 | 236,812 | 197,286 | 155,538 | 108,421 | 60,784 | 19,531 |  |  |
Short-duration Insurance Contracts, Accident Year 2018 | Standard Commercial Lines | Workers Compensation |  |  |  |  |  |  |  |  |  |
Incurred Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | 163,478 | 163,884 | 167,974 | 173,428 | 181,151 | 193,818 | 193,894 |  |  |
IBNR | $ 19,530 |  |  |  |  |  |  |  |  |
Cumulative Number of Reported Claims | claim | 11,139 |  |  |  |  |  |  |  |  |
Cumulative Paid Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | $ 133,879 | 129,869 | 126,206 | 119,904 | 105,903 | 84,780 | 41,122 |  |  |
Short-duration Insurance Contracts, Accident Year 2018 | Standard Commercial Lines | Commercial automobile |  |  |  |  |  |  |  |  |  |
Incurred Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | 347,964 | 346,213 | 348,202 | 350,310 | 345,547 | 352,487 | 347,908 |  |  |
IBNR | $ 3,222 |  |  |  |  |  |  |  |  |
Cumulative Number of Reported Claims | claim | 36,566 |  |  |  |  |  |  |  |  |
Cumulative Paid Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | $ 338,550 | 330,584 | 319,819 | 291,725 | 243,713 | 193,788 | 134,867 |  |  |
Short-duration Insurance Contracts, Accident Year 2018 | Standard Commercial Lines | Businessowners’ policies |  |  |  |  |  |  |  |  |  |
Incurred Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | 54,668 | 55,586 | 56,625 | 60,393 | 62,427 | 57,202 | 55,024 |  |  |
IBNR | $ 424 |  |  |  |  |  |  |  |  |
Cumulative Number of Reported Claims | claim | 4,267 |  |  |  |  |  |  |  |  |
Cumulative Paid Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | $ 54,213 | 52,496 | 51,239 | 48,144 | 44,316 | 39,791 | 29,995 |  |  |
Short-duration Insurance Contracts, Accident Year 2018 | Standard Commercial Lines | Commercial property |  |  |  |  |  |  |  |  |  |
Incurred Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | 196,388 | 196,527 | 196,413 | 194,016 | 192,558 | 190,834 | 183,177 |  |  |
IBNR | $ 21 |  |  |  |  |  |  |  |  |
Cumulative Number of Reported Claims | claim | 8,295 |  |  |  |  |  |  |  |  |
Cumulative Paid Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | $ 196,485 | 196,605 | 196,376 | 193,487 | 192,698 | 184,813 | 135,416 |  |  |
Short-duration Insurance Contracts, Accident Year 2018 | Standard Personal Lines | Personal automobile |  |  |  |  |  |  |  |  |  |
Incurred Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | 113,767 | 113,037 | 113,647 | 112,418 | 112,030 | 113,569 | 111,594 |  |  |
IBNR | $ 399 |  |  |  |  |  |  |  |  |
Cumulative Number of Reported Claims | claim | 22,686 |  |  |  |  |  |  |  |  |
Cumulative Paid Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | $ 111,411 | 110,894 | 109,644 | 107,026 | 99,982 | 89,628 | 69,721 |  |  |
Short-duration Insurance Contracts, Accident Year 2018 | Standard Personal Lines | Homeowners |  |  |  |  |  |  |  |  |  |
Incurred Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | 68,106 | 68,581 | 68,416 | 68,931 | 69,832 | 68,526 | 62,961 |  |  |
IBNR | $ 132 |  |  |  |  |  |  |  |  |
Cumulative Number of Reported Claims | claim | 7,609 |  |  |  |  |  |  |  |  |
Cumulative Paid Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | $ 67,943 | 67,726 | 67,739 | 66,634 | 65,348 | 64,137 | 49,430 |  |  |
Short-duration Insurance Contracts, Accident Year 2018 | E&S Lines | Casualty lines |  |  |  |  |  |  |  |  |  |
Incurred Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | 111,997 | 106,490 | 105,756 | 104,983 | 103,184 | 103,004 | 98,324 |  |  |
IBNR | $ 11,221 |  |  |  |  |  |  |  |  |
Cumulative Number of Reported Claims | claim | 2,882,000 |  |  |  |  |  |  |  |  |
Cumulative Paid Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | $ 93,360 | 82,549 | 73,605 | 57,962 | 39,174 | 21,337 | $ 5,509 |  |  |
Short-duration Insurance Contracts, Accident Year 2019 |  |  |  |  |  |  |  |  |  |
Incurred Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | 1,534,266 | 1,523,313 | 1,529,859 | 1,526,566 | 1,523,041 | 1,483,945 |  |  |  |
IBNR | $ 127,788 |  |  |  |  |  |  |  |  |
Cumulative Number of Reported Claims | claim | 105,134 |  |  |  |  |  |  |  |  |
Cumulative Paid Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | $ 1,339,564 | 1,247,100 | 1,109,628 | 949,996 | 781,462 | 510,091 |  |  |  |
Short-duration Insurance Contracts, Accident Year 2019 | Standard Commercial Lines | General liability |  |  |  |  |  |  |  |  |  |
Incurred Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | 365,212 | 362,139 | 366,184 | 358,301 | 356,363 | 347,150 |  |  |  |
IBNR | $ 75,401 |  |  |  |  |  |  |  |  |
Cumulative Number of Reported Claims | claim | 11,896 |  |  |  |  |  |  |  |  |
Cumulative Paid Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | $ 259,726 | 213,020 | 160,680 | 100,206 | 58,284 | 18,097 |  |  |  |
Short-duration Insurance Contracts, Accident Year 2019 | Standard Commercial Lines | Workers Compensation |  |  |  |  |  |  |  |  |  |
Incurred Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | 161,241 | 159,225 | 164,940 | 174,912 | 188,596 | 188,625 |  |  |  |
IBNR | $ 23,005 |  |  |  |  |  |  |  |  |
Cumulative Number of Reported Claims | claim | 10,334 |  |  |  |  |  |  |  |  |
Cumulative Paid Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | $ 126,436 | 119,875 | 112,649 | 100,812 | 77,878 | 37,826 |  |  |  |
Short-duration Insurance Contracts, Accident Year 2019 | Standard Commercial Lines | Commercial automobile |  |  |  |  |  |  |  |  |  |
Incurred Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | 415,684 | 410,432 | 407,051 | 404,854 | 398,346 | 385,212 |  |  |  |
IBNR | $ 7,777 |  |  |  |  |  |  |  |  |
Cumulative Number of Reported Claims | claim | 36,927 |  |  |  |  |  |  |  |  |
Cumulative Paid Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | $ 400,262 | 376,550 | 331,152 | 283,410 | 221,590 | 149,538 |  |  |  |
Short-duration Insurance Contracts, Accident Year 2019 | Standard Commercial Lines | Businessowners’ policies |  |  |  |  |  |  |  |  |  |
Incurred Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | 63,713 | 64,721 | 65,762 | 64,667 | 59,466 | 53,531 |  |  |  |
IBNR | $ 1,326 |  |  |  |  |  |  |  |  |
Cumulative Number of Reported Claims | claim | 3,653 |  |  |  |  |  |  |  |  |
Cumulative Paid Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | $ 60,792 | 60,076 | 52,887 | 46,113 | 41,587 | 27,718 |  |  |  |
Short-duration Insurance Contracts, Accident Year 2019 | Standard Commercial Lines | Commercial property |  |  |  |  |  |  |  |  |  |
Incurred Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | 180,563 | 180,832 | 180,605 | 179,574 | 177,075 | 173,826 |  |  |  |
IBNR | $ 44 |  |  |  |  |  |  |  |  |
Cumulative Number of Reported Claims | claim | 7,318 |  |  |  |  |  |  |  |  |
Cumulative Paid Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | $ 180,266 | 180,179 | 179,538 | 177,825 | 172,768 | 130,891 |  |  |  |
Short-duration Insurance Contracts, Accident Year 2019 | Standard Personal Lines | Personal automobile |  |  |  |  |  |  |  |  |  |
Incurred Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | 119,409 | 119,632 | 118,669 | 115,993 | 115,688 | 114,043 |  |  |  |
IBNR | $ 816 |  |  |  |  |  |  |  |  |
Cumulative Number of Reported Claims | claim | 22,873 |  |  |  |  |  |  |  |  |
Cumulative Paid Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | $ 118,221 | 115,919 | 109,844 | 102,930 | 92,162 | 69,699 |  |  |  |
Short-duration Insurance Contracts, Accident Year 2019 | Standard Personal Lines | Homeowners |  |  |  |  |  |  |  |  |  |
Incurred Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | 72,003 | 72,856 | 73,070 | 73,816 | 72,772 | 64,306 |  |  |  |
IBNR | $ 193 |  |  |  |  |  |  |  |  |
Cumulative Number of Reported Claims | claim | 7,013 |  |  |  |  |  |  |  |  |
Cumulative Paid Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | $ 71,796 | 71,603 | 70,880 | 69,911 | 67,631 | 49,680 |  |  |  |
Short-duration Insurance Contracts, Accident Year 2019 | E&S Lines | Casualty lines |  |  |  |  |  |  |  |  |  |
Incurred Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | 118,356 | 114,802 | 117,113 | 117,736 | 118,298 | 117,087 |  |  |  |
IBNR | $ 18,692 |  |  |  |  |  |  |  |  |
Cumulative Number of Reported Claims | claim | 2,800,000 |  |  |  |  |  |  |  |  |
Cumulative Paid Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | $ 85,945 | 73,779 | 57,701 | 35,844 | 17,812 | $ 4,422 |  |  |  |
Short-duration Insurance Contracts, Accident Year 2020 |  |  |  |  |  |  |  |  |  |
Incurred Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | 1,555,820 | 1,531,446 | 1,550,195 | 1,587,607 | 1,591,972 |  |  |  |  |
IBNR | $ 183,656 |  |  |  |  |  |  |  |  |
Cumulative Number of Reported Claims | claim | 96,043 |  |  |  |  |  |  |  |  |
Cumulative Paid Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | $ 1,287,402 | 1,152,227 | 988,463 | 831,976 | 572,302 |  |  |  |  |
Short-duration Insurance Contracts, Accident Year 2020 | Standard Commercial Lines | General liability |  |  |  |  |  |  |  |  |  |
Incurred Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | 389,512 | 361,163 | 352,834 | 360,302 | 361,554 |  |  |  |  |
IBNR | $ 120,496 |  |  |  |  |  |  |  |  |
Cumulative Number of Reported Claims | claim | 10,284 |  |  |  |  |  |  |  |  |
Cumulative Paid Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | $ 230,949 | 159,209 | 100,356 | 58,699 | 21,858 |  |  |  |  |
Short-duration Insurance Contracts, Accident Year 2020 | Standard Commercial Lines | Workers Compensation |  |  |  |  |  |  |  |  |  |
Incurred Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | 140,033 | 143,384 | 159,229 | 168,594 | 168,643 |  |  |  |  |
IBNR | $ 20,188 |  |  |  |  |  |  |  |  |
Cumulative Number of Reported Claims | claim | 7,559 |  |  |  |  |  |  |  |  |
Cumulative Paid Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | $ 106,644 | 102,142 | 87,211 | 68,277 | 29,559 |  |  |  |  |
Short-duration Insurance Contracts, Accident Year 2020 | Standard Commercial Lines | Commercial automobile |  |  |  |  |  |  |  |  |  |
Incurred Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | 371,272 | 374,293 | 375,636 | 381,163 | 381,654 |  |  |  |  |
IBNR | $ 14,953 |  |  |  |  |  |  |  |  |
Cumulative Number of Reported Claims | claim | 30,696 |  |  |  |  |  |  |  |  |
Cumulative Paid Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | $ 337,369 | 306,355 | 254,365 | 198,034 | 139,016 |  |  |  |  |
Short-duration Insurance Contracts, Accident Year 2020 | Standard Commercial Lines | Businessowners’ policies |  |  |  |  |  |  |  |  |  |
Incurred Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | 73,148 | 73,320 | 73,077 | 73,680 | 71,836 |  |  |  |  |
IBNR | $ 1,646 |  |  |  |  |  |  |  |  |
Cumulative Number of Reported Claims | claim | 5,452 |  |  |  |  |  |  |  |  |
Cumulative Paid Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | $ 69,462 | 66,478 | 60,596 | 57,210 | 43,376 |  |  |  |  |
Short-duration Insurance Contracts, Accident Year 2020 | Standard Commercial Lines | Commercial property |  |  |  |  |  |  |  |  |  |
Incurred Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | 226,058 | 226,915 | 226,107 | 225,278 | 232,060 |  |  |  |  |
IBNR | $ 62 |  |  |  |  |  |  |  |  |
Cumulative Number of Reported Claims | claim | 10,158 |  |  |  |  |  |  |  |  |
Cumulative Paid Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | $ 225,589 | 223,902 | 220,953 | 215,107 | 164,613 |  |  |  |  |
Short-duration Insurance Contracts, Accident Year 2020 | Standard Personal Lines | Personal automobile |  |  |  |  |  |  |  |  |  |
Incurred Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | 89,249 | 89,027 | 90,179 | 94,532 | 95,625 |  |  |  |  |
IBNR | $ 1,513 |  |  |  |  |  |  |  |  |
Cumulative Number of Reported Claims | claim | 17,551 |  |  |  |  |  |  |  |  |
Cumulative Paid Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | $ 86,558 | 83,137 | 76,710 | 68,691 | 53,407 |  |  |  |  |
Short-duration Insurance Contracts, Accident Year 2020 | Standard Personal Lines | Homeowners |  |  |  |  |  |  |  |  |  |
Incurred Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | 112,080 | 112,590 | 113,804 | 112,523 | 109,033 |  |  |  |  |
IBNR | $ 350 |  |  |  |  |  |  |  |  |
Cumulative Number of Reported Claims | claim | 9,837 |  |  |  |  |  |  |  |  |
Cumulative Paid Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | $ 111,466 | 110,578 | 109,145 | 105,690 | 83,838 |  |  |  |  |
Short-duration Insurance Contracts, Accident Year 2020 | E&S Lines | Casualty lines |  |  |  |  |  |  |  |  |  |
Incurred Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | 96,911 | 91,077 | 95,832 | 103,137 | 103,872 |  |  |  |  |
IBNR | $ 23,793 |  |  |  |  |  |  |  |  |
Cumulative Number of Reported Claims | claim | 1,971,000 |  |  |  |  |  |  |  |  |
Cumulative Paid Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | $ 62,729 | 46,349 | 27,861 | 13,064 | $ 3,695 |  |  |  |  |
Short-duration Insurance Contracts, Accident Year 2021 |  |  |  |  |  |  |  |  |  |
Incurred Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | 1,797,745 | 1,774,984 | 1,781,054 | 1,784,661 |  |  |  |  |  |
IBNR | $ 311,183 |  |  |  |  |  |  |  |  |
Cumulative Number of Reported Claims | claim | 100,424 |  |  |  |  |  |  |  |  |
Cumulative Paid Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | $ 1,322,871 | 1,134,930 | 934,965 | 609,889 |  |  |  |  |  |
Short-duration Insurance Contracts, Accident Year 2021 | Standard Commercial Lines | General liability |  |  |  |  |  |  |  |  |  |
Incurred Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | 463,259 | 414,204 | 414,279 | 422,748 |  |  |  |  |  |
IBNR | $ 191,124 |  |  |  |  |  |  |  |  |
Cumulative Number of Reported Claims | claim | 11,337 |  |  |  |  |  |  |  |  |
Cumulative Paid Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | $ 206,834 | 131,157 | 71,664 | 28,069 |  |  |  |  |  |
Short-duration Insurance Contracts, Accident Year 2021 | Standard Commercial Lines | Workers Compensation |  |  |  |  |  |  |  |  |  |
Incurred Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | 153,093 | 173,784 | 185,151 | 185,198 |  |  |  |  |  |
IBNR | $ 23,006 |  |  |  |  |  |  |  |  |
Cumulative Number of Reported Claims | claim | 8,590 |  |  |  |  |  |  |  |  |
Cumulative Paid Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | $ 109,473 | 96,674 | 76,015 | 32,918 |  |  |  |  |  |
Short-duration Insurance Contracts, Accident Year 2021 | Standard Commercial Lines | Commercial automobile |  |  |  |  |  |  |  |  |  |
Incurred Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | 507,344 | 510,825 | 512,673 | 483,831 |  |  |  |  |  |
IBNR | $ 45,365 |  |  |  |  |  |  |  |  |
Cumulative Number of Reported Claims | claim | 37,409 |  |  |  |  |  |  |  |  |
Cumulative Paid Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | $ 416,245 | 352,383 | 283,411 | 187,200 |  |  |  |  |  |
Short-duration Insurance Contracts, Accident Year 2021 | Standard Commercial Lines | Businessowners’ policies |  |  |  |  |  |  |  |  |  |
Incurred Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | 71,228 | 72,231 | 63,648 | 66,312 |  |  |  |  |  |
IBNR | $ 4,672 |  |  |  |  |  |  |  |  |
Cumulative Number of Reported Claims | claim | 3,540 |  |  |  |  |  |  |  |  |
Cumulative Paid Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | $ 60,137 | 54,651 | 47,436 | 34,412 |  |  |  |  |  |
Short-duration Insurance Contracts, Accident Year 2021 | Standard Commercial Lines | Commercial property |  |  |  |  |  |  |  |  |  |
Incurred Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | 235,273 | 237,831 | 239,822 | 246,319 |  |  |  |  |  |
IBNR | $ 201 |  |  |  |  |  |  |  |  |
Cumulative Number of Reported Claims | claim | 7,990 |  |  |  |  |  |  |  |  |
Cumulative Paid Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | $ 236,576 | 235,217 | 227,259 | 161,757 |  |  |  |  |  |
Short-duration Insurance Contracts, Accident Year 2021 | Standard Personal Lines | Personal automobile |  |  |  |  |  |  |  |  |  |
Incurred Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | 106,344 | 105,088 | 102,777 | 108,244 |  |  |  |  |  |
IBNR | $ 3,127 |  |  |  |  |  |  |  |  |
Cumulative Number of Reported Claims | claim | 19,743 |  |  |  |  |  |  |  |  |
Cumulative Paid Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | $ 99,768 | 94,480 | 84,743 | 65,325 |  |  |  |  |  |
Short-duration Insurance Contracts, Accident Year 2021 | Standard Personal Lines | Homeowners |  |  |  |  |  |  |  |  |  |
Incurred Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | 81,852 | 84,189 | 83,295 | 82,425 |  |  |  |  |  |
IBNR | $ 280 |  |  |  |  |  |  |  |  |
Cumulative Number of Reported Claims | claim | 6,928 |  |  |  |  |  |  |  |  |
Cumulative Paid Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | $ 80,129 | 79,399 | 77,018 | 59,054 |  |  |  |  |  |
Short-duration Insurance Contracts, Accident Year 2021 | E&S Lines | Casualty lines |  |  |  |  |  |  |  |  |  |
Incurred Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | 123,031 | 120,191 | 125,436 | 128,099 |  |  |  |  |  |
IBNR | $ 42,120 |  |  |  |  |  |  |  |  |
Cumulative Number of Reported Claims | claim | 2,147,000 |  |  |  |  |  |  |  |  |
Cumulative Paid Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | $ 59,210 | 37,213 | 15,835 | $ 4,326 |  |  |  |  |  |
Short-duration Insurance Contracts, Accident Year 2022 |  |  |  |  |  |  |  |  |  |
Incurred Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | 2,200,062 | 2,096,742 | 2,073,343 |  |  |  |  |  |  |
IBNR | $ 562,919 |  |  |  |  |  |  |  |  |
Cumulative Number of Reported Claims | claim | 107,331 |  |  |  |  |  |  |  |  |
Cumulative Paid Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | $ 1,388,177 | 1,155,527 | 699,789 |  |  |  |  |  |  |
Short-duration Insurance Contracts, Accident Year 2022 | Standard Commercial Lines | General liability |  |  |  |  |  |  |  |  |  |
Incurred Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | 597,562 | 482,279 | 482,590 |  |  |  |  |  |  |
IBNR | $ 325,331 |  |  |  |  |  |  |  |  |
Cumulative Number of Reported Claims | claim | 12,151 |  |  |  |  |  |  |  |  |
Cumulative Paid Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | $ 169,702 | 93,422 | 31,502 |  |  |  |  |  |  |
Short-duration Insurance Contracts, Accident Year 2022 | Standard Commercial Lines | Workers Compensation |  |  |  |  |  |  |  |  |  |
Incurred Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | 197,817 | 207,156 | 207,206 |  |  |  |  |  |  |
IBNR | $ 45,518 |  |  |  |  |  |  |  |  |
Cumulative Number of Reported Claims | claim | 8,994 |  |  |  |  |  |  |  |  |
Cumulative Paid Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | $ 124,320 | 99,894 | 45,814 |  |  |  |  |  |  |
Short-duration Insurance Contracts, Accident Year 2022 | Standard Commercial Lines | Commercial automobile |  |  |  |  |  |  |  |  |  |
Incurred Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | 577,111 | 581,223 | 572,421 |  |  |  |  |  |  |
IBNR | $ 96,685 |  |  |  |  |  |  |  |  |
Cumulative Number of Reported Claims | claim | 40,254 |  |  |  |  |  |  |  |  |
Cumulative Paid Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | $ 411,245 | 336,516 | 216,180 |  |  |  |  |  |  |
Short-duration Insurance Contracts, Accident Year 2022 | Standard Commercial Lines | Businessowners’ policies |  |  |  |  |  |  |  |  |  |
Incurred Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | 88,059 | 89,025 | 86,194 |  |  |  |  |  |  |
IBNR | $ 10,037 |  |  |  |  |  |  |  |  |
Cumulative Number of Reported Claims | claim | 3,832 |  |  |  |  |  |  |  |  |
Cumulative Paid Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | $ 70,544 | 66,581 | 36,421 |  |  |  |  |  |  |
Short-duration Insurance Contracts, Accident Year 2022 | Standard Commercial Lines | Commercial property |  |  |  |  |  |  |  |  |  |
Incurred Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | 290,405 | 296,974 | 297,318 |  |  |  |  |  |  |
IBNR | $ (857) |  |  |  |  |  |  |  |  |
Cumulative Number of Reported Claims | claim | 8,864 |  |  |  |  |  |  |  |  |
Cumulative Paid Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | $ 290,168 | 285,250 | 186,677 |  |  |  |  |  |  |
Short-duration Insurance Contracts, Accident Year 2022 | Standard Personal Lines | Personal automobile |  |  |  |  |  |  |  |  |  |
Incurred Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | 138,559 | 133,623 | 121,030 |  |  |  |  |  |  |
IBNR | $ 9,807 |  |  |  |  |  |  |  |  |
Cumulative Number of Reported Claims | claim | 21,315 |  |  |  |  |  |  |  |  |
Cumulative Paid Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | $ 120,482 | 107,778 | 75,994 |  |  |  |  |  |  |
Short-duration Insurance Contracts, Accident Year 2022 | Standard Personal Lines | Homeowners |  |  |  |  |  |  |  |  |  |
Incurred Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | 98,594 | 100,389 | 93,826 |  |  |  |  |  |  |
IBNR | $ 1,622 |  |  |  |  |  |  |  |  |
Cumulative Number of Reported Claims | claim | 6,899 |  |  |  |  |  |  |  |  |
Cumulative Paid Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | $ 96,777 | 91,788 | 68,832 |  |  |  |  |  |  |
Short-duration Insurance Contracts, Accident Year 2022 | E&S Lines | Casualty lines |  |  |  |  |  |  |  |  |  |
Incurred Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | 150,362 | 145,918 | 146,999 |  |  |  |  |  |  |
IBNR | $ 72,194 |  |  |  |  |  |  |  |  |
Cumulative Number of Reported Claims | claim | 2,210,000 |  |  |  |  |  |  |  |  |
Cumulative Paid Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | $ 48,832 | 21,618 | $ 4,198 |  |  |  |  |  |  |
Short-duration Insurance Contracts, Accident Year 2023 |  |  |  |  |  |  |  |  |  |
Incurred Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | 2,421,556 | 2,337,320 |  |  |  |  |  |  |  |
IBNR | $ 861,418 |  |  |  |  |  |  |  |  |
Cumulative Number of Reported Claims | claim | 110,576 |  |  |  |  |  |  |  |  |
Cumulative Paid Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | $ 1,292,282 | 843,967 |  |  |  |  |  |  |  |
Short-duration Insurance Contracts, Accident Year 2023 | Standard Commercial Lines | General liability |  |  |  |  |  |  |  |  |  |
Incurred Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | 608,632 | 541,559 |  |  |  |  |  |  |  |
IBNR | $ 436,191 |  |  |  |  |  |  |  |  |
Cumulative Number of Reported Claims | claim | 11,397 |  |  |  |  |  |  |  |  |
Cumulative Paid Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | $ 99,616 | 30,743 |  |  |  |  |  |  |  |
Short-duration Insurance Contracts, Accident Year 2023 | Standard Commercial Lines | Workers Compensation |  |  |  |  |  |  |  |  |  |
Incurred Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | 204,083 | 204,240 |  |  |  |  |  |  |  |
IBNR | $ 59,654 |  |  |  |  |  |  |  |  |
Cumulative Number of Reported Claims | claim | 8,789 |  |  |  |  |  |  |  |  |
Cumulative Paid Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | $ 102,367 | 49,253 |  |  |  |  |  |  |  |
Short-duration Insurance Contracts, Accident Year 2023 | Standard Commercial Lines | Commercial automobile |  |  |  |  |  |  |  |  |  |
Incurred Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | 660,063 | 633,529 |  |  |  |  |  |  |  |
IBNR | $ 205,119 |  |  |  |  |  |  |  |  |
Cumulative Number of Reported Claims | claim | 39,202 |  |  |  |  |  |  |  |  |
Cumulative Paid Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | $ 365,948 | 237,931 |  |  |  |  |  |  |  |
Short-duration Insurance Contracts, Accident Year 2023 | Standard Commercial Lines | Businessowners’ policies |  |  |  |  |  |  |  |  |  |
Incurred Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | 83,676 | 80,943 |  |  |  |  |  |  |  |
IBNR | $ 16,972 |  |  |  |  |  |  |  |  |
Cumulative Number of Reported Claims | claim | 3,551 |  |  |  |  |  |  |  |  |
Cumulative Paid Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | $ 60,754 | 45,021 |  |  |  |  |  |  |  |
Short-duration Insurance Contracts, Accident Year 2023 | Standard Commercial Lines | Commercial property |  |  |  |  |  |  |  |  |  |
Incurred Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | 327,174 | 341,585 |  |  |  |  |  |  |  |
IBNR | $ 2,315 |  |  |  |  |  |  |  |  |
Cumulative Number of Reported Claims | claim | 7,829 |  |  |  |  |  |  |  |  |
Cumulative Paid Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | $ 311,906 | 226,872 |  |  |  |  |  |  |  |
Short-duration Insurance Contracts, Accident Year 2023 | Standard Personal Lines | Personal automobile |  |  |  |  |  |  |  |  |  |
Incurred Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | 174,229 | 172,104 |  |  |  |  |  |  |  |
IBNR | $ 23,393 |  |  |  |  |  |  |  |  |
Cumulative Number of Reported Claims | claim | 26,980 |  |  |  |  |  |  |  |  |
Cumulative Paid Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | $ 137,142 | 102,642 |  |  |  |  |  |  |  |
Short-duration Insurance Contracts, Accident Year 2023 | Standard Personal Lines | Homeowners |  |  |  |  |  |  |  |  |  |
Incurred Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | 143,481 | 137,029 |  |  |  |  |  |  |  |
IBNR | $ 4,137 |  |  |  |  |  |  |  |  |
Cumulative Number of Reported Claims | claim | 8,005 |  |  |  |  |  |  |  |  |
Cumulative Paid Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | $ 137,605 | 101,952 |  |  |  |  |  |  |  |
Short-duration Insurance Contracts, Accident Year 2023 | E&S Lines | Casualty lines |  |  |  |  |  |  |  |  |  |
Incurred Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | 158,509 | 157,260 |  |  |  |  |  |  |  |
IBNR | $ 109,724 |  |  |  |  |  |  |  |  |
Cumulative Number of Reported Claims | claim | 1,865,000 |  |  |  |  |  |  |  |  |
Cumulative Paid Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | $ 19,632 | $ 4,887 |  |  |  |  |  |  |  |
Short-duration Insurance Contracts, Accident Year 2024 |  |  |  |  |  |  |  |  |  |
Incurred Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | 2,734,774 |  |  |  |  |  |  |  |  |
IBNR | $ 1,457,452 |  |  |  |  |  |  |  |  |
Cumulative Number of Reported Claims | claim | 100,007 |  |  |  |  |  |  |  |  |
Cumulative Paid Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | $ 922,232 |  |  |  |  |  |  |  |  |
Short-duration Insurance Contracts, Accident Year 2024 | Standard Commercial Lines | General liability |  |  |  |  |  |  |  |  |  |
Incurred Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | 718,013 |  |  |  |  |  |  |  |  |
IBNR | $ 620,833 |  |  |  |  |  |  |  |  |
Cumulative Number of Reported Claims | claim | 9,257 |  |  |  |  |  |  |  |  |
Cumulative Paid Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | $ 41,251 |  |  |  |  |  |  |  |  |
Short-duration Insurance Contracts, Accident Year 2024 | Standard Commercial Lines | Workers Compensation |  |  |  |  |  |  |  |  |  |
Incurred Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | 209,470 |  |  |  |  |  |  |  |  |
IBNR | $ 107,954 |  |  |  |  |  |  |  |  |
Cumulative Number of Reported Claims | claim | 8,527 |  |  |  |  |  |  |  |  |
Cumulative Paid Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | $ 49,048 |  |  |  |  |  |  |  |  |
Short-duration Insurance Contracts, Accident Year 2024 | Standard Commercial Lines | Commercial automobile |  |  |  |  |  |  |  |  |  |
Incurred Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | 688,046 |  |  |  |  |  |  |  |  |
IBNR | $ 364,444 |  |  |  |  |  |  |  |  |
Cumulative Number of Reported Claims | claim | 36,820 |  |  |  |  |  |  |  |  |
Cumulative Paid Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | $ 237,984 |  |  |  |  |  |  |  |  |
Short-duration Insurance Contracts, Accident Year 2024 | Standard Commercial Lines | Businessowners’ policies |  |  |  |  |  |  |  |  |  |
Incurred Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | 98,720 |  |  |  |  |  |  |  |  |
IBNR | $ 31,856 |  |  |  |  |  |  |  |  |
Cumulative Number of Reported Claims | claim | 3,507 |  |  |  |  |  |  |  |  |
Cumulative Paid Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | $ 48,586 |  |  |  |  |  |  |  |  |
Short-duration Insurance Contracts, Accident Year 2024 | Standard Commercial Lines | Commercial property |  |  |  |  |  |  |  |  |  |
Incurred Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | 388,200 |  |  |  |  |  |  |  |  |
IBNR | $ 64,626 |  |  |  |  |  |  |  |  |
Cumulative Number of Reported Claims | claim | 6,952 |  |  |  |  |  |  |  |  |
Cumulative Paid Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | $ 252,770 |  |  |  |  |  |  |  |  |
Short-duration Insurance Contracts, Accident Year 2024 | Standard Personal Lines | Personal automobile |  |  |  |  |  |  |  |  |  |
Incurred Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | 184,131 |  |  |  |  |  |  |  |  |
IBNR | $ 52,995 |  |  |  |  |  |  |  |  |
Cumulative Number of Reported Claims | claim | 23,929 |  |  |  |  |  |  |  |  |
Cumulative Paid Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | $ 103,789 |  |  |  |  |  |  |  |  |
Short-duration Insurance Contracts, Accident Year 2024 | Standard Personal Lines | Homeowners |  |  |  |  |  |  |  |  |  |
Incurred Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | 157,935 |  |  |  |  |  |  |  |  |
IBNR | $ 23,369 |  |  |  |  |  |  |  |  |
Cumulative Number of Reported Claims | claim | 6,968 |  |  |  |  |  |  |  |  |
Cumulative Paid Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | $ 119,876 |  |  |  |  |  |  |  |  |
Short-duration Insurance Contracts, Accident Year 2024 | E&S Lines | Casualty lines |  |  |  |  |  |  |  |  |  |
Incurred Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | 188,628 |  |  |  |  |  |  |  |  |
IBNR | $ 166,509 |  |  |  |  |  |  |  |  |
Cumulative Number of Reported Claims | claim | 1,292,000 |  |  |  |  |  |  |  |  |
Cumulative Paid Loss and Allocated Loss Expenses, Net of Reinsurance |  |  |  |  |  |  |  |  |  |
Total | $ 4,904 |  |  |  |  |  |  |  |  |

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