FINANCIAL DERIVATIVES - Narrative (Details) - USD ($)	Dec. 31, 2025	Dec. 31, 2024
Derivative [Line Items]
Gain expected to be reclassified from AOCI to earnings over next 12 months	$ 6,500,000
Financial derivatives, net payable position	0	$ 0
Notional amount	25,577,094,000	24,896,331,000
Exchange Cleared
Derivative [Line Items]
Notional amount	19,400,000,000	19,100,000,000
Interest Rate Swap
Derivative [Line Items]
Notional amount	25,500,000,000	24,900,000,000
Cleared Swaps
Derivative [Line Items]
Accrued interest on cleared swaps	$ 24,200,000	$ 15,800,000
Financing Receivable, Accrued Interest, after Allowance for Credit Loss, Statement of Financial Position [Extensible Enumeration]	Other liabilities	Other liabilities
Uncleared Swaps
Derivative [Line Items]
Accrued interest payable	$ 2,400,000	$ 4,900,000