LOAN SERVICING RIGHTS - Schedule of Activity of Servicing Rights (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Servicing Asset at Fair Value, Amount [Roll Forward]
Beginning carrying value, net	$ 150,457
Amortization	(1,098)
Ending carrying value, net	174,652	$ 150,457
Residential mortgage
Servicing Asset at Fair Value, Amount [Roll Forward]
Beginning carrying value, net	147,014	206,944	$ 130,630
Additions	44,305	64,020	93,229
Amortization	(19,404)	(24,995)	(30,540)
(Impairment)/recoveries	0	21,824	13,625
Disposals	0	(120,779)	0
Ending carrying value, net	171,915	147,014	206,944
SBA
Servicing Asset at Fair Value, Amount [Roll Forward]
Beginning carrying value, net	3,443	5,556	5,839
Additions	392	889	954
Amortization		(3,002)	(2,142)
(Impairment)/recoveries	0	0	905
Ending carrying value, net	$ 2,737	$ 3,443	$ 5,556