| Segment | Q4 '21 | Q4 '22 | Q4 '23 | Q4 '24 | Q4 '25 |
|---|---|---|---|---|---|
| Commercial Casualty Line | 538,300,000,000% | 593,200,000,000% | 649,700,000,000% | 702,500,000,000% | 765,300,000,000% |
| Homeowner | — | — | 257,600,000,000% | 294,600,000,000% | 367,900,000,000% |
| Commercial Property Segment | 311,800,000,000% | 331,200,000,000% | 349,600,000,000% | 358,900,000,000% | 344,500,000,000% |
| Commercial Auto Line | 220,300,000,000% | 233,200,000,000% | 243,200,000,000% | 251,400,000,000% | 275,600,000,000% |
| Personal Auto | 180,200,000,000% | 183,100,000,000% | 188,400,000,000% | 211,500,000,000% | 254,600,000,000% |
| Workers' Compensation Line | 192,300,000,000% | 186,500,000,000% | 182,600,000,000% | 174,600,000,000% | 173,600,000,000% |
| Total | — | — | — | — | — |