LOAN SERVICING RIGHTS - Schedule of Activity of Servicing Rights Impairment (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Servicing Asset at Fair Value, Amount [Roll Forward]
Beginning carrying value, net	$ 212,500
Ending carrying value, net	150,457	$ 212,500
Residential mortgage servicing impairment
Servicing Asset at Fair Value, Amount [Roll Forward]
Beginning carrying value, net	25,782	39,407	$ 104
Additions	0	1,398	39,303
Recoveries	(21,824)	(15,023)	0
Disposals	(3,958)	0	0
Ending carrying value, net	0	25,782	39,407
SBA servicing impairment
Servicing Asset at Fair Value, Amount [Roll Forward]
Beginning carrying value, net	0	905	141
Additions	0	0	1,645
Recoveries	0	(905)	(881)
Ending carrying value, net	$ 0	$ 0	$ 905