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FINANCIAL DERIVATIVES - Narrative (Details) - USD ($) | 12 Months Ended
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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

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