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Summary of Business Segment Information (Detail) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023 | Dec. 31, 2023
Revenues: |  |  |  |  |
Gross written premiums | $ 100,706 | $ 110,100 | $ 194,194 | $ 233,085 |
Net written premiums | 97,751 | 105,996 | 189,836 | 221,857 |
Net earned premiums | 92,814 | 129,156 | 189,393 | 269,228 |
Other income | 357 | 282 | 702 | 636 |
Total revenues | 93,171 | 129,438 | 190,095 | 269,864 |
Losses and Expenses: |  |  |  |  |
Net losses and loss adjustment expenses | 53,662 | 78,082 | 107,046 | 166,083 |
Acquisition costs and other underwriting expenses | 35,968 | 47,101 | 74,237 | 100,579 |
Income (loss) from segments | 3,541 | 4,255 | 8,812 | 3,202 |
Unallocated Items: |  |  |  |  |
Net investment income | 15,311 | 13,216 | 29,831 | 25,224 |
Net realized investment gains (losses) | 205 | (761) | 1,052 | (2,281) |
Corporate and other operating expenses | (6,366) | (4,990) | (12,739) | (11,358) |
Interest expense | (17) | (12) | (17) | (12) |
Income before income taxes | 12,674 | 11,708 | 26,939 | 14,775 |
Income tax expense (benefit) | (2,581) | (2,371) | (5,480) | (2,944) |
Net income (loss) | 10,093 | 9,337 | 21,459 | 11,831 |
Total assets | 1,738,549 | 1,774,002 | 1,738,549 | 1,774,002 | $ 1,729,576
Segment Assets |  |  |  |  |
Unallocated Items: |  |  |  |  |
Total assets | 1,592,277 | 1,668,335 | 1,592,277 | 1,668,335 |
Corporate Assets |  |  |  |  |
Unallocated Items: |  |  |  |  |
Total assets | 146,272 | 105,667 | 146,272 | 105,667 |
Penn-America |  |  |  |  |
Revenues: |  |  |  |  |
Gross written premiums | 100,552 | 95,027 | 194,600 | 190,439 |
Net written premiums | 97,602 | 91,593 | 190,198 | 182,741 |
Net earned premiums | 89,353 | 92,685 | 178,485 | 183,297 |
Other income | 344 | 266 | 683 | 533 |
Total revenues | 89,697 | 92,951 | 179,168 | 183,830 |
Losses and Expenses: |  |  |  |  |
Net losses and loss adjustment expenses | 51,126 | 52,427 | 100,035 | 111,705 |
Acquisition costs and other underwriting expenses | 33,898 | 34,392 | 68,825 | 69,101 |
Income (loss) from segments | 4,673 | 6,132 | 10,308 | 3,024 |
Penn-America | Segment Assets |  |  |  |  |
Unallocated Items: |  |  |  |  |
Total assets | 1,013,413 | 950,240 | 1,013,413 | 950,240 |
Non-Core Operations |  |  |  |  |
Revenues: |  |  |  |  |
Gross written premiums | 154 | 15,073 | (406) | 42,646 |
Net written premiums | 149 | 14,403 | (362) | 39,116 |
Net earned premiums | 3,461 | 36,471 | 10,908 | 85,931 |
Other income | 13 | 16 | 19 | 103 |
Total revenues | 3,474 | 36,487 | 10,927 | 86,034 |
Losses and Expenses: |  |  |  |  |
Net losses and loss adjustment expenses | 2,536 | 25,655 | 7,011 | 54,378 |
Acquisition costs and other underwriting expenses | 2,070 | 12,709 | 5,412 | 31,478 |
Income (loss) from segments | (1,132) | (1,877) | (1,496) | 178 |
Non-Core Operations | Segment Assets |  |  |  |  |
Unallocated Items: |  |  |  |  |
Total assets | $ 578,864 | $ 718,095 | $ 578,864 | $ 718,095 |

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