FAIR VALUE - Narrative (Details) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2024 USD ($) loan	Sep. 30, 2023 USD ($)	Sep. 30, 2024 USD ($) loan	Sep. 30, 2023 USD ($)	Dec. 31, 2023 USD ($) loan
Summary of assets measured on a recurring and nonrecurring basis
Transfer of loans held for investment to loans held for sale					$ 39,200
Value of loans sold					$ 40,800
Number of Loans, Non-accruals, fair value | loan	56		56		98
Charge-offs	$ 9,340	$ 198	$ 9,366	$ 228
Loans held at fair value	473		473		$ 0
Net charge-offs on loans accounted for under the fair value option	(300)	(400)	(1,000)	(1,400)
Loans held for sale
Summary of assets measured on a recurring and nonrecurring basis
Loans transferred from held for investment	$ 993	$ 0	$ 3,722	$ 39,221