FINANCIAL DERIVATIVES - Narrative (Details) - USD ($)	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Derivative [Line Items]
Financing Receivable, Accrued Interest, after Allowance for Credit Loss, Statement of Financial Position [Extensible Enumeration]	Accrued interest receivable (includes $28,563 and $16,764, respectively, related to consolidated trusts)	Accrued interest receivable (includes $28,563 and $16,764, respectively, related to consolidated trusts)
Gain expected to be reclassified from AOCI to earnings over next 12 months	$ 10,500,000
Gain (loss) from interest rate swaps designated as cash flow hedges reclassified to earnings	0	$ 0
Financial derivatives, net payable position	0	0
Notional amount	24,896,331,000	25,779,468,000
Exchange Cleared
Derivative [Line Items]
Notional amount	19,100,000,000	20,500,000,000
Interest Rate Swap
Derivative [Line Items]
Notional amount	24,900,000,000	25,800,000,000
Cleared Swaps
Derivative [Line Items]
Accrued interest on cleared swaps	15,800,000	16,400,000
Uncleared Swaps
Derivative [Line Items]
Accrued interest payable	$ 4,900,000	$ 6,500,000