DERIVATIVES - (Derivative position) (Details) - Derivatives designated as hedging instruments - USD ($) $ in Thousands	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
Fair value	(1,006)
Other assets.
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Notional amount, derivative asset	400,000
Fair value	$ (1,006)