SHAREHOLDERS' EQUITY - Actual regulatory capital position and minimum capital requirements (Details) - Salisbury - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Total Capital (to risk-weighted assets)
Actual - Amount	$ 111,788	$ 104,013
Actual - Ratio	12.58%	12.09%
Minimum Capital Required For Capital Adequacy - Amount	$ 71,102	$ 68,848
Minimum Capital Required For Capital Adequacy - Ratio	8.00%	8.00%
Minimum Capital Required For Capital Adequacy Plus Required Capital Conservation Buffer - Amount	$ 93,321	$ 90,362
Minimum Capital Required For Capital Adequacy Plus Required Capital Conservation Buffer - Ratio	10.50%	10.50%
Minimum To Be Well Capitalized Under Prompt Corrective Action Provisions - Amount	$ 88,877	$ 86,059
Minimum To Be Well Capitalized Under Prompt Corrective Action Provisions - Ratio	10.00%	10.00%
Tier 1 Capital (to risk-weighted assets)
Actual - Amount	$ 102,844	$ 96,092
Actual - Ratio	11.57%	11.17%
Minimum Capital Required For Capital Adequacy - Amount	$ 53,326	$ 51,636
Minimum Capital Required For Capital Adequacy - Ratio	6.00%	6.00%
Minimum Capital Required For Capital Adequacy Plus Required Capital Conservation Buffer - Amount	$ 75,546	$ 73,150
Minimum Capital Required For Capital Adequacy Plus Required Capital Conservation Buffer - Ratio	8.50%	8.50%
Minimum To Be Well Capitalized Under Prompt Corrective Action Provisions - Amount	$ 71,102	$ 68,848
Minimum To Be Well Capitalized Under Prompt Corrective Action Provisions - Ratio	8.00%	8.00%
Common Equity Tier 1 Capital (to risk-weighted assets)
Actual - Amount	$ 102,844	$ 96,092
Actual - Ratio	11.57%	11.17%
Minimum Capital Required For Capital Adequacy - Amount	$ 39,995	$ 38,727
Minimum Capital Required For Capital Adequacy - Ratio	4.50%	4.50%
Minimum Capital Required For Capital Adequacy Plus Required Capital Conservation Buffer - Amount	$ 62,214	$ 60,242
Minimum Capital Required For Capital Adequacy Plus Required Capital Conservation Buffer - Ratio	7.00%	7.00%
Minimum To Be Well Capitalized Under Prompt Corrective Action Provisions - Amount	$ 57,770	$ 55,939
Minimum To Be Well Capitalized Under Prompt Corrective Action Provisions - Ratio	6.50%	6.50%
Tier 1 Capital (to average assets)
Actual - Amount	$ 102,844	$ 96,092
Actual - Ratio	9.27%	8.30%
Minimum Capital Required For Capital Adequacy - Amount	$ 44,393	$ 43,527
Minimum Capital Required For Capital Adequacy - Ratio	4.00%	4.00%
Minimum Capital Required For Capital Adequacy Plus Required Capital Conservation Buffer - Amount	$ 44,393	$ 43,527
Minimum Capital Required For Capital Adequacy Plus Required Capital Conservation Buffer - Ratio	4.00%	4.00%
Minimum To Be Well Capitalized Under Prompt Corrective Action Provisions - Amount	$ 55,491	$ 54,409
Minimum To Be Well Capitalized Under Prompt Corrective Action Provisions - Ratio	5.00%	5.00%