LOANS AND ALLOWANCE - Allowance for Credit Losses, Off-balance Sheet (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Off-Balance Sheet, Credit Loss, Liability [Roll Forward]
Beginning balance	$ 23,300	$ 23,300	$ 23,300	$ 20,500
Provision for credit losses - unfunded commitments related to Level One	0	0	0	2,800
Provision for credit losses - unfunded commitments	(3,000)	0	(3,000)	0
Ending balance	$ 20,300	$ 23,300	$ 20,300	$ 23,300