LOAN SERVICING RIGHTS - Schedule of Activity of Servicing Rights (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Servicing Asset at Fair Value, Amount [Roll Forward]
Beginning balance			$ 150,457
Ending balance	$ 163,118		163,118
Residential mortgage servicing rights
Servicing Asset at Fair Value, Amount [Roll Forward]
Beginning balance	149,986	$ 232,236	147,014	$ 206,944
Additions	14,731	21,551	22,461	43,252
Amortization	(4,696)	(7,514)	(9,454)	(13,576)
Recoveries	0	10,839	0	20,492
Ending balance	160,021	257,112	160,021	257,112
Residential mortgage servicing valuation allowance
Servicing Asset at Fair Value, Amount [Roll Forward]
Beginning balance	0	16,129	0	25,782
Recoveries	0	(10,839)	0	(20,492)
Ending balance	0	5,290	0	5,290
SBA servicing rights
Servicing Asset at Fair Value, Amount [Roll Forward]
Beginning balance	3,166	5,384	3,443	5,556
Additions	271	236	315	774
Amortization	(340)	(666)	(661)	(1,376)
Ending balance	$ 3,097	$ 4,954	$ 3,097	$ 4,954