FAIR VALUE MEASUREMENTS - FAIR VALUE OF FINANCIAL INSTRUMENTS (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Financial assets
Interest bearing time deposits	$ 2,375	$ 2,375
Loans held for sale	4,990	2,144
Interest receivable	4,010	4,166
Financial liabilities
Short-term Federal Home Loan Bank advances	54,000	25,000
Long-term Federal Home Loan Bank advances	84,925	91,418
Interest payable	1,217	1,170
Carrying Value
Financial assets
Cash and cash equivalents	37,766	22,182
Interest bearing time deposits	2,375	2,375
Securities available for sale	247,187	265,330
Loans held for sale	4,990	2,144
Net Loans	768,411	735,853
Federal Home Loan Bank stock	7,034	7,034
Interest receivable	4,010	4,166
Derivative and financial instruments	237	94
Other Assets	296	292
Financial liabilities
Total deposits	853,217	842,653
Repurchase agreements	5,410	5,994
Short-term Federal Home Loan Bank advances	54,000	25,000
Long-term Federal Home Loan Bank advances	84,925	91,418
Subordinated debentures	7,217	7,217
Interest payable	1,217	1,170
Derivative and financial instruments	3,525	212
Fair Value
Financial assets
Cash and cash equivalents	37,766	22,182
Interest bearing time deposits	2,375	2,375
Securities available for sale	247,187	265,330
Loans held for sale	5,065	2,171
Net Loans	742,213	735,060
Interest receivable	4,010	4,166
Derivative and financial instruments	237	94
Other Assets	296	292
Financial liabilities
Total deposits	854,837	841,840
Repurchase agreements	5,410	5,993
Short-term Federal Home Loan Bank advances	54,000	25,000
Long-term Federal Home Loan Bank advances	87,678	91,397
Subordinated debentures	6,785	7,213
Interest payable	1,217	1,170
Derivative and financial instruments	3,525	212
Quoted Prices In Active Markets for Identical Assets (Level 1)
Financial assets
Cash and cash equivalents	37,766	22,182
Interest bearing time deposits	2,375	2,375
Other Assets	296	292
Financial liabilities
Total deposits	637,199	630,948
Significant Other Observable Inputs (Level 2)
Financial assets
Securities available for sale	247,187	265,330
Loans held for sale	5,065	2,171
Interest receivable	894	1,035
Derivative and financial instruments	237	94
Financial liabilities
Total deposits	217,638	210,892
Repurchase agreements	5,410	5,993
Short-term Federal Home Loan Bank advances	54,000	25,000
Long-term Federal Home Loan Bank advances	87,678	91,397
Interest payable	1,205	1,156
Derivative and financial instruments	3,525	212
Significant Unobservable Inputs (Level 3)
Financial assets
Net Loans	742,213	735,060
Interest receivable	3,116	3,131
Financial liabilities
Subordinated debentures	6,785	7,213
Interest payable	$ 12	$ 14