REGULATORY CAPITAL MATTERS (Details) $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2019 USD ($) item	Dec. 31, 2019	Dec. 31, 2018 USD ($)
REGULATORY CAPITAL MATTERS
Capital conservation buffer	0.625%
Common Equity Tier 1 capital ratio including capital conservation buffer (as a percent)	7.00%
Tier 1 capital ratio including capital conservation buffer (as a percent)	8.50%
Total capital ratio including capital conservation buffer (as a percent0	10.50%
Number of conditions or events to be performed | item	0
Common Equity Tier 1 (CET 1) to risk-weighted assets
Actual Amount	$ 103,458		$ 94,335
Actual Ratio (as a percent)	11.73%		11.35%
Tier 1 capital to risk-weighted assets
Actual Amount	$ 103,458		$ 94,335
Actual Ratio (as a percent)	11.73%		11.35%
Total capital to risk-weighted assets
Actual Amount	$ 117,846		$ 108,510
Actual Ratio (as a percent)	13.36%		13.06%
Tier 1 capital to average assets
Actual Amount	$ 103,458		$ 94,335
Actual Ratio (as a percent)	8.76%		9.28%
Bank
Common Equity Tier 1 (CET 1) to risk-weighted assets
Actual Amount	$ 96,495		$ 87,291
Actual Ratio (as a percent)	10.98%		10.55%
Required for Capital Adequacy Purposes Amount	$ 39,547		$ 37,240
Required for Capital Adequacy Purposes Ratio (as a percent)	4.50%		4.50%
To be Well Capitalized Under Prompt Corrective Action Regulations Amount	$ 57,123		$ 53,791
To be Well Capitalized Under Prompt Corrective Action Regulations Ratio (as a percent)	6.50%		6.50%
Tier 1 capital to risk-weighted assets
Actual Amount	$ 96,495		$ 87,291
Actual Ratio (as a percent)	10.98%		10.55%
Required for Capital Adequacy Purposes Amount	$ 52,729		$ 49,653
Required for Capital Adequacy Purposes Amount (as a percent)	6.00%		6.00%
To be Well Capitalized Under Prompt Corrective Action Regulations Amount	$ 70,305		$ 66,204
To be Well Capitalized Under Prompt Corrective Action Regulations Ratio (as a percent)	8.00%		8.00%
Total capital to risk-weighted assets
Actual Amount	$ 104,323		$ 94,906
Actual Ratio (as a percent)	11.87%		11.47%
Required for Capital Adequacy Purposes Amount	$ 70,305		$ 66,204
Required for Capital Adequacy Purposes Ratio (as a percent)	8.00%		8.00%
To be Well Capitalized Under Prompt Corrective Action Regulations Amount	$ 87,882		$ 82,755
To be Well Capitalized Under Prompt Corrective Action Regulations Ratio (as a percent)	10.00%		10.00%
Tier 1 capital to average assets
Actual Amount	$ 96,495		$ 87,291
Actual Ratio (as a percent)	8.19%		8.63%
Required for Capital Adequacy Purposes Amount	$ 47,101		$ 40,459
Required for Capital Adequacy Purposes Ratio (as a percent)	4.00%		4.00%
To be Well Capitalized Under Prompt Corrective Action Regulations Amount	$ 58,876		$ 50,574
Tier One Leverage Capital Required to be Well Capitalized to Average Assets	5.00%		5.00%
Forecast
REGULATORY CAPITAL MATTERS
Capital conservation buffer		2.50%
Common Equity Tier 1 (CET 1) to risk-weighted assets
Required for Capital Adequacy Purposes Ratio (as a percent)		7.00%
Tier 1 capital to risk-weighted assets
Required for Capital Adequacy Purposes Amount (as a percent)		8.50%
Total capital to risk-weighted assets
Required for Capital Adequacy Purposes Ratio (as a percent)		10.50%