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DERIVATIVE FINANCIAL INSTRUMENTS AND HEDGING ACTIVITIES - Offsetting Assets and Liabilities (Details) - Designated as hedging instrument - Economic hedges - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Derivative [Line Items]
Cash Collateral Pledged
Net Amount
MNA counterparty
Derivative [Line Items]
Cash Collateral Pledged
Net Amount
RPA counterparty
Derivative [Line Items]
Cash Collateral Pledged
Net Amount
Customer loan derivative liability
Derivative [Line Items]
Derivative liabilities	(22,226)	(20,287)
Customer loan derivative liability \| MNA counterparty
Derivative [Line Items]
Derivative liabilities	(22,226)	(20,287)
Customer loan derivative asset
Derivative [Line Items]
Derivative Assets	22,226	20,287
Customer loan derivative asset \| MNA counterparty
Derivative [Line Items]
Derivative Assets	$ 22,226	$ 20,287