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Liability for Unpaid Losses and Loss Adjustment Expenses (Tables) | 12 Months Ended
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Dec. 31, 2022
Insurance [Abstract] |
Summarized Activity in Liability for Unpaid Losses and Loss Adjustment Expenses | Activity in the liability for unpaid losses and loss adjustment expenses is summarized as follows:
|  | Years Ended December 31, |
(Dollars in thousands) |  | 2022 |  |  | 2021 |  |  | 2020 |
Balance at beginning of period |  | $ | 759,904 |  |  | $ | 662,811 |  |  | $ | 630,181 |
Less: Ceded reinsurance receivables |  |  | 94,443 |  |  |  | 82,158 |  |  |  | 76,273 |
Net balance at beginning of period |  |  | 665,461 |  |  |  | 580,653 |  |  |  | 553,908 |
Incurred losses and loss adjustment expenses related to: |  |  |  |  |  |  |  |  |
Current year |  |  | 367,298 |  |  |  | 376,306 |  |  |  | 367,739 |
Prior years |  |  | (8,070 | ) |  |  | 8,658 |  |  |  | (31,538 | )
Total incurred losses and loss adjustment expenses |  |  | 359,228 |  |  |  | 384,964 |  |  |  | 336,201 |
Paid losses and loss adjustment expenses related to: |  |  |  |  |  |  |  |  |
Current year |  |  | 103,442 |  |  |  | 149,092 |  |  |  | 183,109 |
Prior years |  |  | 161,864 |  |  |  | 151,064 |  |  |  | 126,347 |
Total paid losses and loss adjustment expenses |  |  | 265,306 |  |  |  | 300,156 |  |  |  | 309,456 |
Net balance at end of period |  |  | 759,383 |  |  |  | 665,461 |  |  |  | 580,653 |
Plus: Ceded reinsurance receivables |  |  | 73,021 |  |  |  | 94,443 |  |  |  | 82,158 |
Balance at end of period |  | $ | 832,404 |  |  | $ | 759,904 |  |  | $ | 662,811 |
Gross Reserves for Asbestos and Environmental Losses | The following table shows the Company’s gross reserves for A&E losses:
|  | Years Ended December 31, |
(Dollars in thousands) |  | 2022 |  |  | 2021 |  |  | 2020 |
Gross reserve for A&E losses and loss adjustment expenses – beginning of period |  | $ | 39,153 |  |  | $ | 47,593 |  |  | $ | 48,825 |
Plus: Change in incurred losses and loss adjustment expenses |  |  | 2,658 |  |  |  | (7,500 | ) |  |  | (259 | )
Less: Payments |  |  | 4,669 |  |  |  | 940 |  |  |  | 973 |
Gross reserves for A&E losses and loss adjustment expenses – end of period |  | $ | 37,142 |  |  | $ | 39,153 |  |  | $ | 47,593 |
Net Reserves for Asbestos and Environmental Losses | The following table shows the Company’s net reserves for A&E losses:
|  | Years Ended December 31, |
(Dollars in thousands) |  | 2022 |  |  | 2021 |  |  | 2020 |
Net reserve for A&E losses and loss adjustment expenses – beginning of period |  | $ | 21,985 |  |  | $ | 28,679 |  |  | $ | 29,033 |
Plus: Change in incurred losses and loss adjustment expenses |  |  | 1,962 |  |  |  | (6,500 | ) |  |  | 1 |
Less: Payments |  |  | 2,300 |  |  |  | 194 |  |  |  | 355 |
Net reserves for A&E losses and loss adjustment expenses – end of period |  | $ | 21,647 |  |  | $ | 21,985 |  |  | $ | 28,679 |
Incurred Claims Development | Commercial Specialty – Property (Dollars in thousands)
|  | Incurred Claims and Allocated Claims Adjustment Expenses, Net of Reinsurance |  |  |  |  |  |  |
|  | For the Years Ended December 31, |  |  | As of December 31, 2022 |
Accident Year |  | 2020 |  |  | 2021 |  |  | 2022 |  |  | IBNR (1) |  |  | Cumulative Number of Reported Claims |
|  | (unaudited) |  |  | (unaudited) |  |  |  |  |  |  |  |  |  |
2020 |  | $ | 75,609 |  |  | $ | 78,760 |  |  | $ | 77,860 |  |  | $ | 2,003 |  |  |  | 4,598 |
2021 |  |  |  |  |  | 84,037 |  |  |  | 82,841 |  |  |  | 5,712 |  |  |  | 4,206 |
2022 |  |  |  |  |  |  |  |  | 82,018 |  |  |  | 14,533 |  |  |  | 3,234 |
Total |  |  | $ | 242,719 |  |  |  |  |  |  |
(1) Incurred-but-not-reported liabilities plus expected development on reported claims Commercial Specialty – Casualty (Dollars in thousands)
|  | Incurred Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance |  |  |  |  |  |  |
|  | For the Years Ended December 31, |  |  | As of December 31, 2022 |
Accident Year |  | 2013 |  |  | 2014 |  |  | 2015 |  |  | 2016 |  |  | 2017 |  |  | 2018 |  |  | 2019 |  |  | 2020 |  |  | 2021 |  |  | 2022 |  |  | IBNR (1) |  |  | Cumulative Number of Reported Claims |
|  | (unaudited) |  |  | (unaudited) |  |  | (unaudited) |  |  | (unaudited) |  |  | (unaudited) |  |  | (unaudited) |  |  | (unaudited) |  |  | (unaudited) |  |  | (unaudited) |  |  |  |  |  |  |  |  |  |
2013 |  | $ | 63,931 |  |  | $ | 68,230 |  |  | $ | 68,081 |  |  | $ | 66,566 |  |  | $ | 65,193 |  |  | $ | 61,714 |  |  | $ | 58,961 |  |  | $ | 56,901 |  |  | $ | 56,786 |  |  | $ | 56,336 |  |  | $ | 1,226 |  |  |  | 2,597 |
2014 |  |  |  |  |  | 61,427 |  |  |  | 60,779 |  |  |  | 58,618 |  |  |  | 57,828 |  |  |  | 57,230 |  |  |  | 54,971 |  |  |  | 51,329 |  |  |  | 50,919 |  |  |  | 49,134 |  |  |  | 2,006 |  |  |  | 2,400 |
2015 |  |  |  |  |  |  |  |  | 57,710 |  |  |  | 57,088 |  |  |  | 58,384 |  |  |  | 58,993 |  |  |  | 60,231 |  |  |  | 56,498 |  |  |  | 56,279 |  |  |  | 55,322 |  |  |  | 2,652 |  |  |  | 2,162 |
2016 |  |  |  |  |  |  |  |  |  |  |  | 54,576 |  |  |  | 54,123 |  |  |  | 53,751 |  |  |  | 52,078 |  |  |  | 52,760 |  |  |  | 52,401 |  |  |  | 52,347 |  |  |  | 2,949 |  |  |  | 1,997 |
2017 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 54,654 |  |  |  | 54,978 |  |  |  | 53,876 |  |  |  | 54,704 |  |  |  | 56,273 |  |  |  | 57,369 |  |  |  | 4,535 |  |  |  | 1,915 |
2018 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 58,220 |  |  |  | 57,605 |  |  |  | 57,922 |  |  |  | 60,372 |  |  |  | 60,879 |  |  |  | 7,436 |  |  |  | 2,345 |
2019 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 69,145 |  |  |  | 69,114 |  |  |  | 73,968 |  |  |  | 76,844 |  |  |  | 9,924 |  |  |  | 2,695 |
2020 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 83,553 |  |  |  | 84,260 |  |  |  | 88,347 |  |  |  | 23,282 |  |  |  | 2,719 |
2021 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 112,124 |  |  |  | 113,382 |  |  |  | 55,202 |  |  |  | 3,689 |
2022 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 138,225 |  |  |  | 106,457 |  |  |  | 2,782 |
|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Total |  |  | $ | 748,185 |  |  |  |  |  |  |
(1) Incurred-but-not-reported liabilities plus expected development on reported claims Reinsurance Lines – Casualty (Dollars in thousands)
|  | Incurred Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance For the Years Ended December 31, |  |  | As of December 31, 2022 |
Accident Year |  | 2013 |  |  | 2014 |  |  | 2015 |  |  | 2016 |  |  | 2017 |  |  | 2018 |  |  | 2019 |  |  | 2020 |  |  | 2021 |  |  | 2022 |  |  | IBNR (1) |  |  | Cumulative Number of Reported Claims |
|  | (unaudited) |  |  | (unaudited) |  |  | (unaudited) |  |  | (unaudited) |  |  | (unaudited) |  |  | (unaudited) |  |  | (unaudited) |  |  | (unaudited) |  |  | (unaudited) |  |  |  |  |  |  |  |  |  |
2013 |  | $ | 1,009 |  |  | $ | 1,009 |  |  | $ | 1,009 |  |  | $ | 850 |  |  | $ | 850 |  |  | $ | 850 |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  |  | — |
2014 |  |  |  |  |  | 1,987 |  |  |  | 1,987 |  |  |  | 1,954 |  |  |  | 1,954 |  |  |  | 1,954 |  |  |  | 590 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
2015 |  |  |  |  |  |  |  |  | 2,779 |  |  |  | 2,779 |  |  |  | 2,779 |  |  |  | 2,779 |  |  |  | 2,179 |  |  |  | 1,090 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
2016 |  |  |  |  |  |  |  |  |  |  |  | 3,627 |  |  |  | 3,627 |  |  |  | 3,627 |  |  |  | 3,627 |  |  |  | 3,627 |  |  |  | 3,627 |  |  |  | — |  |  |  | — |  |  |  | — |
2017 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 4,358 |  |  |  | 4,358 |  |  |  | 4,358 |  |  |  | 4,358 |  |  |  | 4,358 |  |  |  | 4,358 |  |  |  | 4,356 |  |  |  | — |
2018 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 5,573 |  |  |  | 5,573 |  |  |  | 5,573 |  |  |  | 5,574 |  |  |  | 5,574 |  |  |  | 5,568 |  |  |  | — |
2019 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 13,686 |  |  |  | 13,686 |  |  |  | 13,685 |  |  |  | 14,080 |  |  |  | 11,092 |  |  |  | — |
2020 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 30,398 |  |  |  | 30,375 |  |  |  | 31,258 |  |  |  | 23,998 |  |  |  | — |
2021 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 49,177 |  |  |  | 50,122 |  |  |  | 42,927 |  |  |  | — |
2022 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 86,624 |  |  |  | 82,247 |  |  |  | — |
|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Total |  |  | $ | 192,016 |  |  |  |  |  |  |
Incurred-but-not-reported liabilities plus expected development on reported claims Exited Lines – Property (Dollars in thousands)
|  |  |  |  | Incurred Claims and Allocated Claims Adjustment Expenses, Net of Reinsurance |  |  |  |  |  |  |
|  |  |  |  | For the Years Ended December 31, |  |  | As of December 31, 2022 |
Accident Year |  | 2019 |  |  | 2020 |  |  | 2021 |  |  | 2022 |  |  | IBNR (1) |  |  | Cumulative Number of Reported Claims |
|  | (unaudited) |  |  | (unaudited) |  |  | (unaudited) |  |  |  |  |  |  |  |  |  |
2019 |  | $ | 155,116 |  |  | $ | 159,713 |  |  | $ | 162,523 |  |  | $ | 160,865 |  |  | $ | 6,645 |  |  |  | — |
2020 |  |  |  |  |  | 155,747 |  |  |  | 159,718 |  |  |  | 161,351 |  |  |  | 9,558 |  |  |  | — |
2021 |  |  |  |  |  |  |  |  | 108,708 |  |  |  | 106,079 |  |  |  | 4,715 |  |  |  | — |
2022 |  |  |  |  |  |  |  |  |  |  |  | 42,818 |  |  |  | 4,017 |  |  |  | — |
Total |  |  | $ | 471,113 |  |  |  |  |  |  |
(1) Incurred-but-not-reported liabilities plus expected development on reported claims Exited Lines – Casualty (Dollars in thousands)
|  | Incurred Claims and Allocated Claims Adjustment Expenses, Net of Reinsurance |  |  |  |  |  |  |
|  | For the Years Ended December 31, |  |  | As of December 31, 2022 |
Accident Year |  | 2015 |  |  | 2016 |  |  | 2017 |  |  | 2018 |  |  | 2019 |  |  | 2020 |  |  | 2021 |  |  | 2022 |  |  | IBNR (1) |  |  | Cumulative Number of Reported Claims |
|  | (unaudited) |  |  | (unaudited) |  |  | (unaudited) |  |  | (unaudited) |  |  | (unaudited) |  |  | (unaudited) |  |  | (unaudited) |  |  |  |  |  |  |  |  |  |
2015 |  | $ | 18,612 |  |  | $ | 20,170 |  |  | $ | 21,243 |  |  | $ | 21,720 |  |  | $ | 21,133 |  |  | $ | 20,677 |  |  | $ | 20,045 |  |  | $ | 19,837 |  |  | $ | 864 |  |  |  | — |
2016 |  |  |  |  |  | 21,030 |  |  |  | 20,726 |  |  |  | 19,423 |  |  |  | 17,035 |  |  |  | 16,719 |  |  |  | 16,256 |  |  |  | 16,074 |  |  |  | 1,127 |  |  |  | — |
2017 |  |  |  |  |  |  |  |  | 19,683 |  |  |  | 18,730 |  |  |  | 17,624 |  |  |  | 17,056 |  |  |  | 15,516 |  |  |  | 15,114 |  |  |  | 1,518 |  |  |  | — |
2018 |  |  |  |  |  |  |  |  |  |  |  | 14,835 |  |  |  | 15,439 |  |  |  | 15,414 |  |  |  | 15,979 |  |  |  | 16,340 |  |  |  | 1,721 |  |  |  | — |
2019 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 13,574 |  |  |  | 13,518 |  |  |  | 13,870 |  |  |  | 13,613 |  |  |  | 2,934 |  |  |  | — |
2020 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 13,285 |  |  |  | 13,099 |  |  |  | 13,697 |  |  |  | 4,555 |  |  |  | — |
2021 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 12,376 |  |  |  | 12,160 |  |  |  | 8,115 |  |  |  | — |
2022 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 8,317 |  |  |  | 5,986 |  |  |  | — |
Total |  |  | $ | 115,152 |  |  |  |  |  |  |
Incurred-but-not-reported liabilities plus expected development on reported claims
Cumulative Paid Claims Development | Commercial Specialty – Property (Dollars in thousands)
|  | Cumulative Paid Claims and Allocated Claims Adjustment Expenses, Net of Reinsurance |
|  | For the Years Ended December 31, |
Accident Year |  | 2020 |  |  | 2021 |  |  | 2022 |
|  | (unaudited) |  |  | (unaudited) |  |  |  |
2020 |  | $ | 47,486 |  |  | $ | 69,944 |  |  | $ | 73,640 |
2021 |  |  |  |  |  | 50,846 |  |  |  | 74,860 |
2022 |  |  |  |  |  |  |  |  | 49,744 |
Total |  |  |  | 198,244 |
All outstanding liabilities before 2020, net of reinsurance |  |  |  | 3,025 |
Liabilities for unpaid losses and loss adjustment expenses, net of reinsurance |  |  | $ | 47,500 |
Commercial Specialty – Casualty (Dollars in thousands)
|  | Cumulative Paid Claims and Allocated Claims Adjustment Expenses, Net of Reinsurance |
|  | For the Years Ended December 31, |
Accident Year |  | 2013 |  |  | 2014 |  |  | 2015 |  |  | 2016 |  |  | 2017 |  |  | 2018 |  |  | 2019 |  |  | 2020 |  |  | 2021 |  |  | 2022 |
|  | (unaudited) |  |  | (unaudited) |  |  | (unaudited) |  |  | (unaudited) |  |  | (unaudited) |  |  | (unaudited) |  |  | (unaudited) |  |  | (unaudited) |  |  | (unaudited) |  |  |  |
2013 |  | $ | 6,439 |  |  | $ | 17,969 |  |  | $ | 29,705 |  |  | $ | 38,641 |  |  | $ | 46,475 |  |  | $ | 51,167 |  |  | $ | 52,468 |  |  | $ | 53,194 |  |  | $ | 53,471 |  |  | $ | 53,525 |
2014 |  |  |  |  |  | 4,011 |  |  |  | 15,924 |  |  |  | 26,526 |  |  |  | 34,504 |  |  |  | 40,293 |  |  |  | 43,505 |  |  |  | 45,831 |  |  |  | 46,263 |  |  |  | 46,578 |
2015 |  |  |  |  |  |  |  |  | 3,355 |  |  |  | 14,865 |  |  |  | 25,559 |  |  |  | 36,357 |  |  |  | 43,116 |  |  |  | 46,272 |  |  |  | 48,524 |  |  |  | 50,169 |
2016 |  |  |  |  |  |  |  |  |  |  |  | 4,148 |  |  |  | 14,047 |  |  |  | 22,064 |  |  |  | 34,973 |  |  |  | 40,639 |  |  |  | 44,130 |  |  |  | 47,352 |
2017 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 4,996 |  |  |  | 12,879 |  |  |  | 23,326 |  |  |  | 33,511 |  |  |  | 39,926 |  |  |  | 46,169 |
2018 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 4,303 |  |  |  | 13,869 |  |  |  | 22,194 |  |  |  | 34,745 |  |  |  | 42,884 |
2019 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 5,222 |  |  |  | 14,017 |  |  |  | 30,439 |  |  |  | 48,285 |
2020 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 5,510 |  |  |  | 19,623 |  |  |  | 40,665 |
2021 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 7,238 |  |  |  | 24,414 |
2022 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 12,022 |
Total |  |  |  | 412,063 |
All outstanding liabilities before 2013, net of reinsurance |  |  |  | 44,506 |
Liabilities for unpaid losses and loss adjustment expenses, net of reinsurance |  |  | $ | 380,628 |
Reinsurance Lines – Casualty (Dollars in thousands)
|  | Cumulative Paid Claims and Allocated Claims Adjustment Expenses, Net of Reinsurance |
|  | For the Years Ended December 31, |
Accident Year |  | 2013 |  |  | 2014 |  |  | 2015 |  |  | 2016 |  |  | 2017 |  |  | 2018 |  |  | 2019 |  |  | 2020 |  |  | 2021 |  |  | 2022 |
|  | (unaudited) |  |  | (unaudited) |  |  | (unaudited) |  |  | (unaudited) |  |  | (unaudited) |  |  | (unaudited) |  |  | (unaudited) |  |  | (unaudited) |  |  | (unaudited) |  |  |  |
2013 |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |
2014 |  |  |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
2015 |  |  |  |  |  |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
2016 |  |  |  |  |  |  |  |  |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
2017 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | — |  |  |  | 2 |  |  |  | 2 |  |  |  | 2 |  |  |  | 2 |  |  |  | 2 |
2018 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 6 |  |  |  | 6 |
2019 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 27 |  |  |  | 801 |  |  |  | 1,014 |  |  |  | 1,925 |
2020 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 48 |  |  |  | 2,174 |  |  |  | 4,503 |
2021 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,593 |  |  |  | 3,986 |
2022 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,986 |
Total |  |  |  | 12,408 |
All outstanding liabilities before 2013, net of reinsurance |  |  |  | — |
Liabilities for unpaid losses and loss adjustment expenses, net of reinsurance |  |  | $ | 179,608 |
Exited Lines – Property (Dollars in thousands)
|  | Cumulative Paid Claims and Allocated Claims Adjustment Expenses, Net of Reinsurance |
|  | For the Years Ended December 31, |
Accident Year |  | 2019 |  |  | 2020 |  |  | 2021 |  |  | 2022 |
|  | (unaudited) |  |  | (unaudited) |  |  | (unaudited) |  |  |  |
2019 |  | $ | 99,554 |  |  | $ | 128,338 |  |  | $ | 140,463 |  |  | $ | 145,406 |
2020 |  |  |  |  |  | 121,430 |  |  |  | 143,332 |  |  |  | 148,159 |
2021 |  |  |  |  |  |  |  |  | 82,528 |  |  |  | 98,809 |
2022 |  |  |  |  |  |  |  |  |  |  |  | 34,533 |
Total |  |  |  | 426,907 |
All outstanding liabilities before 2019, net of reinsurance |  |  |  | 44,812 |
Liabilities for unpaid losses and loss adjustment expenses, net of reinsurance |  |  | $ | 89,018 |
Exited Lines – Casualty (Dollars in thousands)
|  | Cumulative Paid Claims and Allocated Claims Adjustment Expenses, Net of Reinsurance |  |  |  |  |  |  |
|  | For the Years Ended December 31, |  |  |  |  |  |  |
Accident Year |  | 2015 |  |  | 2016 |  |  | 2017 |  |  | 2018 |  |  | 2019 |  |  | 2020 |  |  | 2021 |  |  | 2022 |
|  | (unaudited) |  |  | (unaudited) |  |  | (unaudited) |  |  | (unaudited) |  |  | (unaudited) |  |  | (unaudited) |  |  | (unaudited) |  |  |  |
2015 |  | $ | 3,527 |  |  | $ | 8,605 |  |  | $ | 12,515 |  |  | $ | 15,575 |  |  | $ | 17,959 |  |  | $ | 18,584 |  |  | $ | 18,785 |  |  | $ | 18,806 |
2016 |  |  |  |  |  | 3,494 |  |  |  | 6,865 |  |  |  | 9,745 |  |  |  | 11,824 |  |  |  | 12,478 |  |  |  | 14,347 |  |  |  | 14,783 |
2017 |  |  |  |  |  |  |  |  | 2,051 |  |  |  | 4,635 |  |  |  | 8,406 |  |  |  | 11,585 |  |  |  | 12,021 |  |  |  | 12,413 |
2018 |  |  |  |  |  |  |  |  |  |  |  | 1,334 |  |  |  | 4,522 |  |  |  | 8,840 |  |  |  | 12,593 |  |  |  | 14,169 |
2019 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,975 |  |  |  | 5,011 |  |  |  | 7,900 |  |  |  | 9,820 |
2020 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,583 |  |  |  | 4,949 |  |  |  | 7,531 |
2021 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,628 |  |  |  | 3,125 |
2022 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 854 |
Total |  |  |  | 81,501 |
All outstanding liabilities before 2015, net of reinsurance |  |  |  | 4,683 |
Liabilities for unpaid losses and loss adjustment expenses, net of reinsurance |  |  | $ | 38,334 |
Supplementary Information about Average Historical Claims | The following is required supplementary information about average historical claims duration as of December 31, 2022:
|  | Average Annual Percentage Payout of Incurred Claims by Age, Net of Reinsurance (Unaudited) |
Year |  | 1 |  |  | 2 |  |  | 3 |
Commercial Specialty - Property |  |  | 61.0 | % |  |  | 28.9 | % |  |  | 4.7 | %
The following is required supplementary information about average historical claims duration as of December 31, 2022:
|  | Average Annual Percentage Payout of Incurred Claims by Age, Net of Reinsurance (Unaudited) |
Year |  | 1 |  |  | 2 |  |  | 3 |  |  | 4 |  |  | 5 |  |  | 6 |  |  | 7 |  |  | 8 |  |  | 9 |  |  | 10 |
Commercial Specialty - Casualty |  |  | 7.7 | % |  |  | 17.4 | % |  |  | 19.3 | % |  |  | 19.7 | % |  |  | 12.2 | % |  |  | 7.6 | % |  |  | 4.3 | % |  |  | 1.7 | % |  |  | 0.6 | % |  |  | 0.1 | %
The following is required supplementary information about average historical claims duration as of December 31, 2022:
|  | Average Annual Percentage Payout of Incurred Claims by Age, Net of Reinsurance (Unaudited) (1) |
Year |  | 1 |  |  | 2 |  |  | 3 |  |  | 4 |  |  | 5 |  |  | 6 |  |  | 7 |  |  | 8 |  |  | 9 |  |  | 10 |
Reinsurance Lines - Casualty |  |  | 0.6 | % |  |  | 1.9 | % |  |  | 1.1 | % |  |  | 0.9 | % |  |  | — | % |  |  | — | % |  |  | — | % |  |  | — | % |  |  | — | % |  |  | — | %
(1) May not be indicative of future average annual percentage payout of incurred claims due to a change in mix of business The following is required supplementary information about average historical claims duration as of December 31, 2022.
|  | Average Annual Percentage Payout of Incurred Claims by Age, Net of Reinsurance (Unaudited) |
Year |  | 1 |  |  | 2 |  |  | 3 |  |  | 4 |
Exited Lines - Property |  |  | 73.9 | % |  |  | 15.6 | % |  |  | 5.3 | % |  |  | 3.1 | %
The following is required supplementary information about average historical claims duration as of December 31, 2022:
|  | Average Annual Percentage Payout of Incurred Claims by Age, Net of Reinsurance (Unaudited) |
Year |  | 1 |  |  | 2 |  |  | 3 |  |  | 4 |  |  | 5 |  |  | 6 |  |  | 7 |  |  | 8 |
Exited Lines - Casualty |  |  | 13.9 | % |  |  | 20.3 | % |  |  | 21.5 | % |  |  | 17.3 | % |  |  | 7.2 | % |  |  | 5.8 | % |  |  | 1.9 | % |  |  | 0.1 | %
Reconciliation of Net Incurred and Paid Claims Development Tables to Liability for Unpaid Losses and Loss Adjustment Expenses in Consolidated Balance Sheets | The reconciliation of the net incurred and paid claims development tables to the liability for unpaid losses and loss adjustment expenses in the consolidated balance sheets as of December 31, 2022 is as follows:
Net outstanding liabilities |  |  |
Commercial Specialty – Property |  | $ | 47,500 |
Commercial Specialty – Casualty |  |  | 380,628 |
Reinsurance Lines – Casualty |  |  | 179,608 |
Exited Lines – Property |  |  | 89,018 |
Exited Lines – Casualty |  |  | 38,334 |
Liabilities for unpaid losses and loss adjustment expenses, net of reinsurance |  |  | 735,088 |
Reinsurance recoverable on unpaid claims |  |  |
Commercial Specialty – Property |  |  | 5,951 |
Commercial Specialty – Casualty |  |  | 45,273 |
Reinsurance Lines – Casualty |  |  | — |
Exited Lines – Property |  |  | 19,590 |
Exited Lines – Casualty |  |  | (40 | )
Total reinsurance recoverable on unpaid claims |  |  | 70,774 |
Other outstanding liabilities |  |  |
Commercial Specialty |  |  |
Ceded Allowance |  |  | 8,992 |
Unallocated claims adjustment expenses |  |  | 14,818 |
Loss Clearing |  |  | (918 | )
Reinsurance Lines |  |  |
Unallocated claims adjustment expenses |  |  | 595 |
Exited Lines |  |  |
Fronted business ceded to Assurant |  |  | 2,189 |
Unallocated claims adjustment expenses |  |  | 2,042 |
Other |  |  | (1,176 | )
Total other outstanding liabilities |  |  | 26,542 |
Total gross liability for unpaid losses and loss adjustment expenses |  | $ | 832,404 |

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