FAIR VALUE - Assets and liabilities (Details) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2024	Dec. 31, 2023
Fair value assets and liabilities measured on recurring and nonrecurring basis
Total securities available for sale	$ 18,206	$ 18,493
Equity securities	10,568	10,335
SBA servicing assets	6,600	6,300
States and political subdivisions
Fair value assets and liabilities measured on recurring and nonrecurring basis
Total securities available for sale	6,826	6,782
Mortgage-backed GSE residential
Fair value assets and liabilities measured on recurring and nonrecurring basis
Total securities available for sale	6,869	7,074
Recurring
Fair value assets and liabilities measured on recurring and nonrecurring basis
Total securities available for sale	18,206	18,493
Equity securities	10,568	10,335
SBA servicing assets	7,309	7,251
Interest rate derivatives	18,895	31,781
Assets	54,978	67,860
Liabilities	589	476
Recurring | Obligations of U.S. Government entities and agencies
Fair value assets and liabilities measured on recurring and nonrecurring basis
Total securities available for sale	4,511	4,637
Recurring | States and political subdivisions
Fair value assets and liabilities measured on recurring and nonrecurring basis
Total securities available for sale	6,826	6,782
Recurring | Mortgage-backed GSE residential
Fair value assets and liabilities measured on recurring and nonrecurring basis
Total securities available for sale	6,869	7,074
Non-recurring fair value measurements
Fair value assets and liabilities measured on recurring and nonrecurring basis
Assets	2,379	2,052
Collateral-dependent loans	1,525	1,526
Foreclosed real estate, net	854	526
Gains (Losses) for Impaired loans	1	(148)
Gains (Losses) for Foreclosed real estate, net	(377)	(239)
Total Gains (Losses)	(376)	(387)
Level 1 | Recurring
Fair value assets and liabilities measured on recurring and nonrecurring basis
Equity securities	10,568	10,335
Assets	10,568	10,335
Level 2 | Recurring
Fair value assets and liabilities measured on recurring and nonrecurring basis
Total securities available for sale	13,695	13,856
Interest rate derivatives	18,895	31,781
Assets	32,590	45,637
Liabilities	589	476
Level 2 | Recurring | States and political subdivisions
Fair value assets and liabilities measured on recurring and nonrecurring basis
Total securities available for sale	6,826	6,782
Level 2 | Recurring | Mortgage-backed GSE residential
Fair value assets and liabilities measured on recurring and nonrecurring basis
Total securities available for sale	6,869	7,074
Level 3 | Recurring
Fair value assets and liabilities measured on recurring and nonrecurring basis
Total securities available for sale	4,511	4,637
SBA servicing assets	7,309	7,251
Assets	11,820	11,888
Level 3 | Recurring | Obligations of U.S. Government entities and agencies
Fair value assets and liabilities measured on recurring and nonrecurring basis
Total securities available for sale	4,511	4,637
Level 3 | Non-recurring fair value measurements
Fair value assets and liabilities measured on recurring and nonrecurring basis
Assets	2,379	2,052
Collateral-dependent loans	1,525	1,526
Foreclosed real estate, net	$ 854	$ 526