LOAN SERVICING RIGHTS - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Residential mortgage
Contractually Specified Servicing Fees, Late Fees, and Ancillary Fees Earned in Exchange for Servicing Financial Assets [Line Items]
Servicing fee income	$ 15,000	$ 18,900	$ 29,200	$ 36,300
SBA servicing rights
Contractually Specified Servicing Fees, Late Fees, and Ancillary Fees Earned in Exchange for Servicing Financial Assets [Line Items]
Servicing fee income	$ 758	$ 1,000	$ 1,500	$ 1,900