FAIR VALUE - Summary of information about the fair value carrying amount and unpaid principal outstanding of loans (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Total Loans
Fair Value Carrying Amount	$ 27,569	$ 34,125
Unpaid Principal Balance	28,156	34,149
Difference	(587)	(24)
Non Accruals
Fair Value Carrying Amount	286	139
Unpaid Principal Balance	299	140
Difference	(13)	(1)
90 Days or More Past Due
Fair Value Carrying Amount	286	139
Unpaid Principal Balance	299	140
Difference	(13)	(1)
Mortgage loans held for sale
Total Loans
Fair Value Carrying Amount	12,105	8,839
Unpaid Principal Balance	12,051	8,750
Difference	54	89
Loans held for sale
Total Loans
Fair Value Carrying Amount		1,965
Unpaid Principal Balance		1,984
Difference		(19)
Loans held for investment
Total Loans
Fair Value Carrying Amount	15,464	23,321
Unpaid Principal Balance	16,105	23,415
Difference	(641)	(94)
Non Accruals
Fair Value Carrying Amount	286	139
Unpaid Principal Balance	299	140
Difference	(13)	(1)
90 Days or More Past Due
Fair Value Carrying Amount	286	139
Unpaid Principal Balance	299	140
Difference	$ (13)	$ (1)