DERIVATIVES - (Derivative position) (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Derivatives designated as hedges | Interest rate swaps related to client deposits and borrowings
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Notional amount, derivative asset	$ 550,000	$ 700,000
Fair Value, Other Assets	3,999	1,530
Fair Value, Other Liabilities	329	4,880
Derivatives not designated as hedges | Interest rate swaps
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Notional amount, derivative asset	69,000	69,000
Fair Value, Other Assets	267	1,157
Fair Value, Other Liabilities	$ 267	$ 1,157