DERIVATIVES (Cash flow hedge accounting) (Details) - Derivatives designated as hedges - Interest rate swaps and caps related to client deposits and borrowings - Cash flow hedge - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Amount of gain (loss) recognized in OCI, net of tax	$ 4,279	$ (1,553)
Amount of gain (loss) reclassified from OCI into income	$ 1,251	$ 1,235
Derivative Instrument, Gain (Loss) Reclassified from AOCI into Income, Effective Portion, Statement of Income or Comprehensive Income [Extensible Enumeration]	Licensing Fees	Licensing Fees