FINANCIAL DERIVATIVES - Narrative (Details) - USD ($)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Derivative [Line Items]
Financing Receivable, Accrued Interest, after Allowance for Credit Loss, Statement of Financial Position [Extensible Enumeration]	Accrued interest receivable (includes $16,764 and $12,514, respectively, related to consolidated trusts)	Accrued interest receivable (includes $16,764 and $12,514, respectively, related to consolidated trusts)
Gain expected to be reclassified from AOCI to earnings over next 12 months	$ 13,600,000
Gain (loss) from interest rate swaps designated as cash flow hedges reclassified to earnings	0	$ 0	$ 0
Financial derivatives, net payable position	0	0
Notional amount	25,779,468,000	23,878,611,000
Exchange Cleared
Derivative [Line Items]
Notional amount	20,500,000,000	19,500,000,000
Interest Rate Swap
Derivative [Line Items]
Notional amount	25,800,000,000	23,900,000,000
Cleared Swaps
Derivative [Line Items]
Accrued interest on cleared swaps	16,400,000	6,100,000
Uncleared Swaps
Derivative [Line Items]
Accrued interest payable	$ 6,500,000	$ 3,600,000