v3.26.1
LOSS AND LOSS ADJUSTMENT EXPENSE RESERVES - Schedule of Liability for Unpaid Claims and Claims Adjustment Expense (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Dec. 31, 2025
Dec. 31, 2024
Insurance Loss Reserves [Abstract]        
Case reserves $ 247,071   $ 233,076  
IBNR 719,268   734,884  
Total 966,339 $ 916,600 967,960 $ 860,969
Liability for Unpaid Claims and Claims Adjustment Expense        
Gross balance at January 1 967,960 860,969    
Less: Losses recoverable     (81,392) $ (85,790)
Net balance at January 1 886,568 775,179    
Incurred losses related to:        
Current year 93,644 118,666    
Prior years (2,489) 4,218    
Total incurred 91,155 122,884    
Paid losses related to:        
Current year (5,864) (6,352)    
Prior years (87,281) (75,203)    
Total paid (93,144) (81,555)    
Foreign exchange and translation adjustment (4,476) 12,129    
Net balance at March 31 880,102 828,637    
Add: Losses recoverable (see Note 8) 86,237 87,963 $ 81,392  
Gross balance at March 31 $ 966,339 $ 916,600