NONINTEREST INCOME - Other Income (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Total other income
Revenue from External Customer [Line Items]
Noninterest income	$ 10,531	$ 15,720	$ 19,782	$ 28,273
Managed service fees
Revenue from External Customer [Line Items]
Noninterest income	5,216	4,387	10,015	8,225
Currency preparation
Revenue from External Customer [Line Items]
Noninterest income	1,342	929	2,624	1,800
ATM loss protection
Revenue from External Customer [Line Items]
Noninterest income	647	674	1,295	1,282
Capital markets revenue
Revenue from External Customer [Line Items]
Noninterest income	1,710	3,437	4,589	4,945
Miscellaneous products and services
Revenue from External Customer [Line Items]
Noninterest income	$ 1,616	$ 6,293	$ 1,259	$ 12,021