v3.26.1
REINSURANCE - Reinsurance Arrangements (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Policyholder Benefits and Claims Incurred, Net [Abstract]          
Direct claims incurred $ 3,872,861 $ 2,562,117 $ 7,166,698 $ 4,830,401  
Ceded reinsurance claims (78,390) (22,203) (141,074) (53,215)  
Assumed reinsurance claims (26) 13,059 (1,322) 35,438  
Medical expenses 3,794,445 $ 2,552,973 7,024,302 $ 4,812,624  
Reinsurance Recoverables, Including Reinsurance Premium Paid [Abstract]          
Reinsurance premium and claim recoverables 194,808   194,808   $ 98,014
Reinsurance ceding commissions 7,002   7,002   7,002
Experience refunds on reinsurance agreements (5,266)   (5,266)   (5,266)
Reinsurance recoverable $ 196,544   $ 196,544   $ 99,750