FAIR VALUE - Summary of information about the fair value carrying amount and unpaid principal outstanding of loans (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Total Loans
Fair Value Carrying Amount	$ 20,980	$ 34,125
Unpaid Principal Balance	21,235	34,149
Difference	(255)	(24)
Non Accruals
Fair Value Carrying Amount	210	139
Unpaid Principal Balance	220	140
Difference	(10)	(1)
90 Days or More Past Due
Fair Value Carrying Amount	210	139
Unpaid Principal Balance	220	140
Difference	(10)	(1)
Mortgage loans held for sale
Total Loans
Fair Value Carrying Amount	7,254	8,839
Unpaid Principal Balance	7,106	8,750
Difference	148	89
Loans held for sale
Total Loans
Fair Value Carrying Amount		1,965
Unpaid Principal Balance		1,984
Difference		(19)
Loans held for investment, fair value option
Total Loans
Fair Value Carrying Amount	13,726	23,321
Unpaid Principal Balance	14,129	23,415
Difference	(403)	(94)
Non Accruals
Fair Value Carrying Amount	210	139
Unpaid Principal Balance	220	140
Difference	(10)	(1)
90 Days or More Past Due
Fair Value Carrying Amount	210	139
Unpaid Principal Balance	220	140
Difference	$ (10)	$ (1)