FAIR VALUE - Schedule of gain or loss on fair value of loans (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Gain or loss on loans	$ (66)	$ 417	$ (91)	$ (4,165)
Loans Held for Sale
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Gain or loss on loans	(394)	$ 417	(419)	$ (4,165)
Loan Held for Investment
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Gain or loss on loans	$ 328		$ 328