FAIR VALUE OF FINANCIAL INSTRUMENTS AND FAIR VALUE MEASUREMENTS - Quantitative Information for Financial Instruments Measured at Fair Value (Details) $ in Thousands	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Other real estate owned	$ 448	$ 651	$ 281
Investment securities available for sale, at fair value (amortized cost $455,294 and $490,206, respectively)	407,382	432,553
Fair Value, Nonrecurring
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Other real estate owned	448	651
Collateral dependent loans	1,410	521
Level 3 | Fair Value, Nonrecurring
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Other real estate owned	448	651
Collateral dependent loans	1,410	521
Investment securities available for sale, at fair value (amortized cost $455,294 and $490,206, respectively)	$ 10,814	15,596
Other investments		$ 790
Level 3 | Fair Value, Nonrecurring | Minimum | Measurement Input, Appraised Value
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Other real estate, weighted average measurement input	0	0
Impaired loans, weighted average measurement input	0.25	0.25
Level 3 | Fair Value, Nonrecurring | Maximum | Measurement Input, Appraised Value
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Other real estate, weighted average measurement input	0.20	0.20
Impaired loans, weighted average measurement input	0.50	0.50