FAIR VALUE - Summary of changes in fair value of loans (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Fair Value, Option, Quantitative Disclosures [Line Items]
Change in fair value of loans	$ (447)	$ (758)	$ (549)	$ (91)
Mortgage loans held for sale
Fair Value, Option, Quantitative Disclosures [Line Items]
Change in fair value of loans	60	(1,086)	128	(419)
Loans held for sale
Fair Value, Option, Quantitative Disclosures [Line Items]
Change in fair value of loans	0	0	(20)	0
Loans held for investment
Fair Value, Option, Quantitative Disclosures [Line Items]
Change in fair value of loans	$ (507)	$ 328	$ (657)	$ 328