v3.26.1
DEPOSITS - Narrative (Details)
$ in Millions
Jun. 30, 2026
USD ($)
Dec. 31, 2025
USD ($)
Deposit Liability [Line Items]    
Percentage of deposit contracts, to bank liabilities 0.20  
Deposit contracts, liabilities $ 5,000.0  
ICS deposits $ 705.2 $ 743.6
Percent of total deposits 21.00% 22.10%
Percentage of bank liabilities 0.207  
Time deposits exceeding FDIC insurance limit $ 53.4 $ 65.1
Brokered time deposits 0.0 3.8
Asset Pledged as Collateral | Letter of Credit    
Deposit Liability [Line Items]    
Collateralized deposits $ 46.0 $ 45.8