LOANS AND ALLOWANCE FOR CREDIT LOSSES - Carrying value (Details) - USD ($)	Mar. 31, 2024	Dec. 31, 2023
Financing Receivable, Allowance for Credit Losses [Line Items]
Carrying value	$ 12,200,000	$ 17,500,000
Related Allowance	72,000	108,000
Collateral Dependent
Financing Receivable, Allowance for Credit Losses [Line Items]
Carrying value	12,106,000	17,263,000
Related Allowance	72,000	106,000
Residential | Collateral Dependent
Financing Receivable, Allowance for Credit Losses [Line Items]
Carrying value	8,866,000	8,054,000
Commercial | Collateral Dependent
Financing Receivable, Allowance for Credit Losses [Line Items]
Carrying value	3,240,000	9,209,000
Related Allowance	72,000	106,000
Commercial | Commercial real estate | Collateral Dependent
Financing Receivable, Allowance for Credit Losses [Line Items]
Carrying value	1,496,000	7,416,000
Related Allowance	5,000	5,000
Commercial | Commercial and industrial | Collateral Dependent
Financing Receivable, Allowance for Credit Losses [Line Items]
Carrying value	1,744,000	1,793,000
Related Allowance	$ 67,000	$ 101,000