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Schedule III - Supplementary Insurance Information
 12 Months Ended
Dec. 31, 2024
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information [Abstract]  
Schedule III - Supplementary Insurance Information
202420232022
Net premiums earned
Specialty P&C$747,942 $755,817 $793,400 
Workers' Compensation Insurance167,610 160,034 166,371 
Segregated Portfolio Cell Reinsurance52,698 61,546 69,810 
Consolidated$968,250 $977,397 $1,029,581 
Net investment income (1)
Segregated Portfolio Cell Reinsurance$3,608 $2,289 $1,029 
Corporate140,930 126,130 94,943 
Consolidated$144,538 $128,419 $95,972 
Losses and loss adjustment expenses incurred related to current year, net of reinsurance
Specialty P&C$615,418 $624,481 $648,531 
Workers' Compensation Insurance129,024 130,046 119,407 
Segregated Portfolio Cell Reinsurance35,208 40,321 45,577 
Consolidated$779,650 $794,848 $813,515 
Losses and loss adjustment expenses incurred related to prior year, net of reinsurance
Specialty P&C$(36,932)$328 $(22,486)
Workers' Compensation Insurance(541)9,276 (8,000)
Segregated Portfolio Cell Reinsurance(2,742)(3,958)(6,267)
Consolidated$(40,215)$5,646 $(36,753)
Paid losses and loss adjustment expenses, net of reinsurance
Specialty P&C$684,737 $721,152 $704,635 
Workers' Compensation Insurance124,626 125,952 123,098 
Segregated Portfolio Cell Reinsurance37,153 36,940 38,007 
Inter-segment eliminations— — (37)
Consolidated$846,516 $884,044 $865,703 
Amortization of DPAC
Specialty P&C$102,125 $101,691 $97,757 
Workers' Compensation Insurance18,124 15,201 14,836 
Segregated Portfolio Cell Reinsurance16,354 18,371 20,068 
Inter-segment eliminations(1,173)(450)514 
Consolidated$135,430 $134,813 $133,175 
Other underwriting, policy acquisition and operating expenses
Specialty P&C$101,082 $93,612 $102,052 
Workers' Compensation Insurance43,875 39,860 39,901 
Segregated Portfolio Cell Reinsurance1,709 2,086 248 
Corporate40,008 34,007 34,733 
Non-segmented items (2)
320 — 1,862 
Inter-segment eliminations(3,085)(3,634)(4,633)
Consolidated$183,909 $165,931 $174,163 
Continued on the following page.
202420232022
Continued from previous page.
Net premiums written
Specialty P&C$737,502 $762,580 $784,020 
Workers' Compensation Insurance166,223 162,285 160,760 
Segregated Portfolio Cell Reinsurance49,950 61,129 69,357 
Consolidated$953,675 $985,994 $1,014,137 
Deferred policy acquisition costs (1)
$59,026 $60,336 $58,148 
Reserve for losses and loss adjustment expenses (1)
$3,257,696 $3,401,281 $3,471,147 
Unearned premiums (1)
$418,756 $433,715 $422,950 
(1) Assets are not allocated to segments because investments, other than the investments that are solely allocated to the Segregated Portfolio Cell Reinsurance segment, and other assets are not managed at the segment level. See Note 16 of the Notes to Consolidated Financial Statements for additional information.
(2) Represents pre-tax actuarial consulting fees paid in connection with the final determination of contingent consideration associated with the acquisition of NORCAL in 2024 and pre-tax transaction-related costs associated with the acquisition of NORCAL in 2022. These costs are not included in a segment as ProAssurance does not consider these costs in assessing the financial performance of any of its operating or reportable segments. See Note 16 of the Notes to Consolidated Financial Statements for a reconciliation of the Company's segment results to its consolidated results.