Reinsurance - Narrative (Details) - USD ($) $ in Millions |
Mar. 31, 2026 |
Dec. 31, 2025 |
|---|---|---|
| Insurance [Abstract] | ||
| Provision for sliding scale commission | $ 39.0 | $ 36.0 |
| Receivable for sliding scale commission | 36.2 | 37.6 |
| Provision for loss participation feature | $ 17.7 | $ 17.4 |