RESERVE FOR UNPAID LOSS AND LOSS ADJUSTMENT EXPENSES - Narrative (Details) - USD ($) $ in Thousands |
6 Months Ended | 12 Months Ended | |
|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Dec. 31, 2025 |
|
| Reserves for Unpaid Loss and Loss Adjustment Expenses (Details) [Line Items] | |||
| Net loss and loss adjustment expenses | $ 127,145 | $ 123,796 | $ 215,782 |
| Current accident year | 157,707 | 143,370 | 251,592 |
| Prior accident years | (30,562) | (19,574) | $ (35,810) |
| Short-tail business | |||
| Reserves for Unpaid Loss and Loss Adjustment Expenses (Details) [Line Items] | |||
| Prior accident years | (24,900) | (30,600) | |
| Reinsurance business | |||
| Reserves for Unpaid Loss and Loss Adjustment Expenses (Details) [Line Items] | |||
| Prior accident years | (5,800) | (8,400) | |
| Long-tail business | |||
| Reserves for Unpaid Loss and Loss Adjustment Expenses (Details) [Line Items] | |||
| Prior accident years | $ 100 | $ 19,400 | |