v3.26.1
Information About Segments of Business (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Consolidated Revenues [Abstract]        
Consolidated revenues $ 2,503.8 $ 2,208.5 $ 4,903.3 $ 4,322.6
Gain (Loss) on Investments 172.4 (7.3) 374.3 47.7
Consolidated Income (Loss) Before Taxes (Credits) [Abstract]        
Gain (Loss) on Investments 172.4 (7.3) 374.3 47.7
Consolidated Income Tax Expense (Credits) [Abstract]        
Income tax expense (credits) 85.7 51.7 169.6 113.3
Income tax expense (credits) on consolidated net realized investment gains (losses) 36.2 (2.6) 78.6 9.1
Premiums Earned, Net 2,024.4 1,926.7 3,937.7 3,709.6
Title, escrow, and other fees 73.3 67.9 132.2 126.1
Total premiums and fees 2,097.8 1,994.6 4,070.0 3,835.7
Total Operating Revenues 2,331.3 2,215.8 4,528.9 4,274.9
Income (loss) before income taxes (credits) and realized investment gains or losses 237.7 267.5 449.3 520.2
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest 410.2 260.1 823.6 567.9
Realized from actual transactions and impairments 38.1 (2.4) 123.5 34.9
Equity Securities, FV-NI, Unrealized Gain (Loss) 134.2 (4.9) 250.7 12.7
Income taxes (credits) on above 49.5 54.3 91.0 104.1
Premiums Written, Net 2,183.3 1,993.8 4,142.6 3,816.2
Other income 51.4 49.6 98.8 96.8
Policyholder Benefits and Claims Incurred, Net [1] 892.4 826.5 1,728.0 1,598.6
Dividends to policyholders [1] 4.3 4.1 9.0 9.7
Insurance Commissions [1] 636.7 577.9 1,210.7 1,093.8
Taxes and Licenses [1] 66.2 59.4 130.2 113.1
Commissions, Insurance taxes, licenses, and fees [1] 703.0 637.3 1,340.9 1,206.9
General expenses, taxes and fees [1] 467.2 462.6 957.3 903.8
Underwriting Acquisition And Other Expenses [1] 1,170.2 1,099.9 2,298.2 2,110.7
Segment underwriting income (loss) 82.2 113.6 133.5 213.4
Net investment income 182.0 171.5 360.1 342.2
Interest and other charges 26.5 17.6 44.3 35.5
Net income excluding investment gains (losses) 188.1 213.2 358.2 416.0
Net realized gains (losses) 136.2 (4.7) 295.7 38.5
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest 324.4 208.4 653.9 454.5
Other Comprehensive Income (Loss), before Tax, Portion Attributable to Noncontrolling Interest $ 2.0 $ 3.9 $ 1.5 $ 5.0
Combined Ratio 95.30% 93.60% 96.00% 93.70%
Total net income $ 322.3 $ 204.4 $ 652.4 $ 449.5
Total Company Segments [Member] | Title Insurance        
Consolidated Income Tax Expense (Credits) [Abstract]        
Premiums Earned, Net 699.3 629.8 1,318.2 1,176.8
Title, escrow, and other fees 73.3 67.9 132.2 126.1
Total premiums and fees 772.6 697.8 1,450.5 1,302.9
Income (loss) before income taxes (credits) and realized investment gains or losses 55.9 24.2 72.7 28.6
Income taxes (credits) on above 12.1 5.0 15.4 6.0
Premiums Written, Net 699.3 629.8 1,318.2 1,176.8
Other income 0.2 0.1 0.3 0.3
Policyholder Benefits and Claims Incurred, Net [1] 23.4 20.3 40.8 36.3
Dividends to policyholders [1] 0.0 0.0 0.0 0.0
Insurance Commissions [1] 484.7 429.0 920.1 805.5
Taxes and Licenses [1] 11.6 9.6 22.0 18.6
Commissions, Insurance taxes, licenses, and fees [1] 496.3 438.6 942.1 824.1
General expenses, taxes and fees [1] 215.4 232.0 430.8 448.0
Underwriting Acquisition And Other Expenses [1] 711.8 670.7 1,372.9 1,272.1
Segment underwriting income (loss) 37.6 6.9 37.0 (5.2)
Net investment income 18.3 17.3 35.8 34.0
Interest and other charges 0.0 0.0 0.1 0.1
Net income excluding investment gains (losses) $ 43.8 $ 19.2 $ 57.2 $ 22.6
Combined Ratio 95.10% 99.00% 97.40% 100.40%
Total Company Segments [Member] | Specialty Insurance Group        
Consolidated Income Tax Expense (Credits) [Abstract]        
Premiums Earned, Net $ 1,323.8 $ 1,294.5 $ 2,615.7 $ 2,528.1
Title, escrow, and other fees 0.0 0.0 0.0 0.0
Total premiums and fees 1,323.8 1,294.5 2,615.7 2,528.1
Income (loss) before income taxes (credits) and realized investment gains or losses 198.6 253.7 407.6 513.9
Income taxes (credits) on above 40.5 51.6 83.6 104.7
Premiums Written, Net 1,483.2 1,361.0 2,822.6 2,633.1
Other income 51.2 49.3 98.4 96.4
Policyholder Benefits and Claims Incurred, Net [1] 868.4 805.5 1,685.7 1,561.0
Dividends to policyholders [1] 4.3 4.1 9.0 9.7
Insurance Commissions [1] 151.9 148.4 290.6 288.0
Taxes and Licenses [1] 53.9 50.1 106.9 92.8
Commissions, Insurance taxes, licenses, and fees [1] 205.8 198.5 397.5 380.8
General expenses, taxes and fees [1] 237.1 215.6 495.3 426.8
Underwriting Acquisition And Other Expenses [1] 442.9 414.2 892.8 807.7
Segment underwriting income (loss) 59.3 119.9 126.5 246.1
Net investment income 159.5 149.9 317.6 299.9
Interest and other charges 20.2 16.1 36.5 32.1
Net income excluding investment gains (losses) $ 158.0 $ 202.1 $ 324.0 $ 409.2
Combined Ratio 95.50% 90.70% 95.20% 90.20%
Total Company Segments [Member] | Other        
Consolidated Income Tax Expense (Credits) [Abstract]        
Premiums Earned, Net $ 1.2 $ 2.3 $ 3.7 $ 4.6
Title, escrow, and other fees 0.0 0.0 0.0 0.0
Total premiums and fees 1.2 2.3 3.7 4.6
Income (loss) before income taxes (credits) and realized investment gains or losses (16.8) (10.5) (31.1) (22.3)
Income taxes (credits) on above (3.0) (2.3) (8.0) (6.5)
Premiums Written, Net 0.7 2.8 1.7 6.2
Other income 0.0 0.0 0.0 0.0
Policyholder Benefits and Claims Incurred, Net [1] 0.5 0.7 1.4 1.2
Dividends to policyholders [1] 0.0 0.0 0.0 0.0
Insurance Commissions [1] 0.1 0.4 0.0 0.2
Taxes and Licenses [1] 0.7 (0.3) 1.2 1.6
Commissions, Insurance taxes, licenses, and fees [1] 0.8 0.0 1.2 1.8
General expenses, taxes and fees [1] 14.6 14.9 31.1 28.9
Underwriting Acquisition And Other Expenses [1] 15.4 15.0 32.3 30.8
Segment underwriting income (loss) (14.7) (13.3) (30.1) (27.4)
Net investment income 20.3 20.3 39.0 40.2
Interest and other charges 22.4 17.6 40.0 35.2
Net income excluding investment gains (losses) (13.7) (8.2) (23.0) (15.8)
Segment Reporting, Reconciling Item, Corporate Nonsegment        
Consolidated Income Tax Expense (Credits) [Abstract]        
Premiums Earned, Net 0.0 [2] 0.0 [3] 0.0 [4] 0.0 [5]
Title, escrow, and other fees 0.0 [2] 0.0 [3] 0.0 [4] 0.0 [5]
Total premiums and fees 0.0 [2] 0.0 [3] 0.0 [4] 0.0 [5]
Income (loss) before income taxes (credits) and realized investment gains or losses 0.0 [2] 0.0 [3] 0.0 [4] 0.0 [5]
Income taxes (credits) on above 0.0 [2] 0.0 [3] 0.0 [4] 0.0 [5]
Premiums Written, Net 0.0 [2] 0.0 [3] 0.0 [4] 0.0 [5]
Other income 0.0 [2] 0.0 [3] 0.0 [4] 0.0 [5]
Policyholder Benefits and Claims Incurred, Net [1] 0.0 [2] 0.0 [3] 0.0 [4] 0.0 [5]
Dividends to policyholders [1] 0.0 [2] 0.0 [3] 0.0 [4] 0.0 [5]
Insurance Commissions [1] 0.0 [2] 0.0 [3] 0.0 [4] 0.0 [5]
Taxes and Licenses [1] 0.0 [2] 0.0 [3] 0.0 [4] 0.0 [5]
Commissions, Insurance taxes, licenses, and fees [1] 0.0 [2] 0.0 [3] 0.0 [4] 0.0 [5]
General expenses, taxes and fees [1] 0.0 [2] 0.0 [3] 0.0 [4] 0.0 [5]
Underwriting Acquisition And Other Expenses [1] 0.0 [2] 0.0 [3] 0.0 [4] 0.0 [5]
Segment underwriting income (loss) 0.0 [2] 0.0 [3] 0.0 [4] 0.0 [5]
Net investment income (16.1) [2] (16.1) [3] (32.4) [4] (32.0) [5]
Interest and other charges (16.1) [2] (16.1) [3] (32.4) [4] (32.0) [5]
Net income excluding investment gains (losses) $ 0.0 [2] $ 0.0 [3] $ 0.0 [4] $ 0.0 [5]
[1]
(b)    The significant expense categories and amounts align with the segment-level information that is regularly provided to the CODM. There are no other segment expenses that are part of reported segment profit or loss amounts that are not included in one of the above categories.
[2]
(a)    Includes intercompany financing arrangements between Old Republic's parent holding company and the Specialty Insurance group for which interest charges were $16.1 for the quarter ended June 30, 2026.
[3]
(a)    Includes intercompany financing arrangements between Old Republic's parent holding company and the Specialty Insurance group for which interest charges were $16.1 for the quarter ended June 30, 2025.
[4]
(a)    Includes intercompany financing arrangements between Old Republic's parent holding company and the Specialty Insurance group for which interest charges were $32.4 for the six months ended June 30, 2026.
[5] (a)    Includes intercompany financing arrangements between Old Republic's parent holding company and the Specialty Insurance group for which interest charges were $32.0 for the six months ended June 30, 2025