v3.26.1
LOSS AND LOSS ADJUSTMENT EXPENSE RESERVES - Schedule of Net Prior Year Reserve Development by Segment (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Liability for Claims and Claims Adjustment Expense    
Prior years $ 2,489 $ (4,218)
Operating Segments    
Liability for Claims and Claims Adjustment Expense    
Prior years 2,489 (4,329)
Operating Segments | Open Market    
Liability for Claims and Claims Adjustment Expense    
Prior years 2,847 (4,896)
Operating Segments | Innovations    
Liability for Claims and Claims Adjustment Expense    
Prior years (358) 567
Corporate    
Liability for Claims and Claims Adjustment Expense    
Prior years $ 0 $ 111