Reserves for Unpaid Losses and Loss Adjustment Expenses - Narrative (Details) - USD ($) $ in Thousands |
6 Months Ended | |
|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
|
| Causes of Increase (Decrease) in Liability for Unpaid Claims and Claims Adjustment Expense [Line Items] | ||
| Prior accident years | $ (6,134) | $ 0 |
| Current year incurred losses and loss adjustment expenses | $ 214,762 | 146,343 |
| Southern California | ||
| Causes of Increase (Decrease) in Liability for Unpaid Claims and Claims Adjustment Expense [Line Items] | ||
| Current year incurred losses and loss adjustment expenses | $ 10,300 | |