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DERIVATIVES - (Derivative position) (Details) - Derivatives designated as hedging instruments - USD ($) $ in Thousands	Jun. 30, 2023	Mar. 31, 2023	Dec. 31, 2020
Interest rate caps related to customer deposits
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Notional amount, derivative asset			$ 300,000
Derivatives unrecognized, termination value	$ 12,700
Interest rate swap related to customer deposits
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Notional amount, derivative asset	400,000	$ 400,000
Fair value	5,771
Other assets.
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Notional amount, derivative asset	400,000
Fair value	$ 5,771

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