REGULATORY MATTERS (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2015
Regulatory matters
Capital conservation buffer percentage (as a percent)	2.50%	1.875%		0.00%
Total Capital (to Risk Weighted Assets)
Actual amount	$ 215,377	$ 166,851
Actual ratio (as a percent)	22.01%	18.16%
Tier I Capital (to Risk Weighted Assets)
Actual amount	$ 208,538	$ 160,207
Actual ratio (as a percent)	21.31%	17.44%
Common Tier 1 (CET1)
Actual amount	$ 208,538	$ 160,207
Actual ratio (as a percent)	21.31%	17.44%
Tier 1 Capital (to Average Assets)
Actual amount	$ 208,538	$ 160,207
Actual ratio (as a percent)	12.70%	11.14%
Common dividends	$ 10,402	$ 9,291	$ 5,439
Bank
Total Capital (to Risk Weighted Assets)
Actual amount	$ 199,539	$ 163,339
Actual ratio (as a percent)	20.40%	17.80%
Capital Adequacy Purposes, amount	$ 78,251	$ 73,392
Capital Adequacy Purposes, ratio (as a percent)	8.00%	8.00%
To be Well Capitalized Under Prompt Corrective Action Provisions, amount	$ 97,814	$ 91,740
To be Well Capitalized Under Prompt Corrective Action Provisions, ratio (as a percent)	10.00%	10.00%
Tier I Capital (to Risk Weighted Assets)
Actual amount	$ 192,700	$ 156,696
Actual ratio (as a percent)	19.70%	17.08%
Capital Adequacy Purposes, amount	$ 58,688	$ 55,044
Capital Adequacy Purposes, ratio (as a percent)	6.00%	6.00%
To be Well Capitalized Under Prompt Corrective Action Provisions, amount	$ 78,251	$ 73,392
To be Well Capitalized Under Prompt Corrective Action Provisions, ratio (as a percent)	8.00%	8.00%
Common Tier 1 (CET1)
Actual amount	$ 192,700	$ 156,696
Actual ratio (as a percent)	19.70%	17.08%
Capital Adequacy Purposes, amount	$ 44,016	$ 41,283
Capital Adequacy Purposes, ratio (as a percent)	4.50%	4.50%
To be Well Capitalized Under Prompt Corrective Action Provisions, amount	$ 63,579	$ 59,631
To be Well Capitalized Under Prompt Corrective Action Provisions, ratio (as a percent)	6.50%	6.50%
Tier 1 Capital (to Average Assets)
Actual amount	$ 192,700	$ 156,696
Actual ratio (as a percent)	11.74%	10.91%
Capital Adequacy Purposes, amount	$ 65,655	$ 57,455
Capital Adequacy Purposes, ratio (as a percent)	4.00%	4.00%
To be Well Capitalized Under Prompt Corrective Action Provisions, amount	$ 82,069	$ 71,819
To be Well Capitalized Under Prompt Corrective Action Provisions, ratio (as a percent)	5.00%	5.00%
Maximum
Tier 1 Capital (to Average Assets)
Common dividends	$ 22,400