v3.26.1
INVESTMENTS - Schedule of Cost or Amortized Cost and Fair Value of Securities Available for Sale (Details) - USD ($)
$ in Thousands
Jun. 30, 2026
Dec. 31, 2025
Dec. 31, 2024
Debt Securities, Available-for-sale [Line Items]      
Amortized Cost $ 1,553,900 $ 1,466,145  
Allowance for Expected Credit Losses (881) (631) $ (1,018)
Gross Unrealized Gains 4,217 11,893  
Gross Unrealized Losses (51,090) (46,379)  
Fair Value 1,506,146 1,431,028  
U.S. government obligations and agencies      
Debt Securities, Available-for-sale [Line Items]      
Amortized Cost 30,555 28,560  
Allowance for Expected Credit Losses 0 0  
Gross Unrealized Gains 40 248  
Gross Unrealized Losses (466) (243)  
Fair Value 30,129 28,565  
Corporate bonds      
Debt Securities, Available-for-sale [Line Items]      
Amortized Cost 981,860 962,761  
Allowance for Expected Credit Losses (879) (568)  
Gross Unrealized Gains 2,525 7,860  
Gross Unrealized Losses (27,597) (24,730)  
Fair Value 955,909 945,323  
Mortgage-backed and asset-backed securities      
Debt Securities, Available-for-sale [Line Items]      
Amortized Cost 530,106 452,405  
Allowance for Expected Credit Losses (1) 0  
Gross Unrealized Gains 1,652 3,726  
Gross Unrealized Losses (22,322) (20,370)  
Fair Value 509,435 435,761  
Municipal bonds      
Debt Securities, Available-for-sale [Line Items]      
Amortized Cost 11,379 15,157  
Allowance for Expected Credit Losses (1) (1)  
Gross Unrealized Gains 0 11  
Gross Unrealized Losses (705) (897)  
Fair Value 10,673 14,270  
Redeemable preferred stock      
Debt Securities, Available-for-sale [Line Items]      
Amortized Cost   7,262  
Allowance for Expected Credit Losses $ 0 (62) $ (121)
Gross Unrealized Gains   48  
Gross Unrealized Losses   (139)  
Fair Value   $ 7,109