FAIR VALUE OF FINANCIAL INSTRUMENTS - Qualitative Information About Level 3 Fair Value Measurements (Details) - Nonrecurring $ in Thousands	Mar. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)
Qualitative and Quantitative Information, Transferor's Continuing Involvement [Line Items]
Impaired loans	$ 1,555	$ 1,630
Foreclosed real estate		2,183
Significant Unobservable Inputs (Level III)
Qualitative and Quantitative Information, Transferor's Continuing Involvement [Line Items]
Impaired loans	$ 1,555	1,630
Foreclosed real estate		$ 2,183
Significant Unobservable Inputs (Level III) | Measurement Input, Cost to Sell | Appraisal of collateral
Qualitative and Quantitative Information, Transferor's Continuing Involvement [Line Items]
Impaired loans, measurement input (in percentage)		(7.00)
Significant Unobservable Inputs (Level III) | Minimum | Measurement Input, Appraised Value | Appraisal of collateral
Qualitative and Quantitative Information, Transferor's Continuing Involvement [Line Items]
Impaired loans, measurement input (in percentage)	0.00	0
Significant Unobservable Inputs (Level III) | Maximum | Measurement Input, Appraised Value | Appraisal of collateral
Qualitative and Quantitative Information, Transferor's Continuing Involvement [Line Items]
Impaired loans, measurement input (in percentage)	(72.00)	(72.00)
Significant Unobservable Inputs (Level III) | Weighted Average | Measurement Input, Appraised Value | Appraisal of collateral
Qualitative and Quantitative Information, Transferor's Continuing Involvement [Line Items]
Impaired loans, measurement input (in percentage)	(3.60)	(3.60)
Significant Unobservable Inputs (Level III) | Weighted Average | Measurement Input, Cost to Sell | Appraisal of collateral
Qualitative and Quantitative Information, Transferor's Continuing Involvement [Line Items]
Impaired loans, measurement input (in percentage)		(7.00)