LOANS AND ALLOWANCE FOR CREDIT LOSSES - Allowance for Credit Losses, Off-balance Sheet (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Off-Balance Sheet, Credit Loss, Liability [Roll Forward]
Balance, January 1	$ 23,300	$ 20,500
Provision for credit losses - unfunded commitments	(3,800)	0
Balance, December 31	19,500	23,300
Level One
Off-Balance Sheet, Credit Loss, Liability [Roll Forward]
Provision for credit losses - unfunded commitments	$ 0	$ 2,800