SHAREHOLDERS' EQUITY - Actual regulatory capital position and minimum capital requirements (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Salisbury
Total Capital (to risk-weighted assets)
Actual - Amount	$ 96,166	$ 92,030
Actual - Ratio	13.26%	13.51%
For Capital Adequacy - Amount	$ 57,997	$ 54,509
For Capital Adequacy - Ratio	8.00%	8.00%
To Be Well Capitalized Under Prompt Corrective Action Provisions - Amount
To Be Well Capitalized Under Prompt Corrective Action Provisions - Ratio
Tier 1 Capital (to risk-weighted assets)
Actual - Amount	$ 79,868	$ 76,120
Actual - Ratio	11.02%	11.17%
For Capital Adequacy - Amount	$ 43,498	$ 40,878
For Capital Adequacy - Ratio	6.00%	6.00%
To Be Well Capitalized Under Prompt Corrective Action Provisions - Amount
To Be Well Capitalized Under Prompt Corrective Action Provisions - Ratio
Common Equity Tier 1 Capital (to risk-weighted assets)
Actual - Amount	$ 79,868	$ 76,120
Actual - Ratio	11.02%	11.17%
For Capital Adequacy - Amount	$ 32,623	$ 30,659
For Capital Adequacy - Ratio	4.50%	4.50%
To Be Well Capitalized - Amount
To Be Well Capitalized - Ratio
Tier 1 Capital (to average assets)
Actual - Amount	$ 79,868	$ 76,120
Actual - Ratio	8.69%	8.56%
For Capital Adequacy - Amount	$ 37,282	$ 36,102
For Capital Adequacy - Ratio	4.00%	4.00%
To Be Well Capitalized Under Prompt Corrective Action Provisions - Amount
To Be Well Capitalized Under Prompt Corrective Action Provisions - Ratio
Bank
Total Capital (to risk-weighted assets)
Actual - Amount	$ 93,690	$ 89,249
Actual - Ratio	12.92%	13.10%
For Capital Adequacy - Amount	$ 57,996	$ 54,504
For Capital Adequacy - Ratio	8.00%	8.00%
To Be Well Capitalized Under Prompt Corrective Action Provisions - Amount	$ 72,495	$ 68,131
To Be Well Capitalized Under Prompt Corrective Action Provisions - Ratio	10.00%	10.00%
Tier 1 Capital (to risk-weighted assets)
Actual - Amount	$ 87,392	$ 83,340
Actual - Ratio	12.05%	12.23%
For Capital Adequacy - Amount	$ 43,497	$ 40,878
For Capital Adequacy - Ratio	6.00%	6.00%
To Be Well Capitalized Under Prompt Corrective Action Provisions - Amount	$ 57,996	$ 54,504
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	$ 87,392	$ 83,340
Actual - Ratio	12.05%	12.23%
For Capital Adequacy - Amount	$ 32,623	$ 30,659
For Capital Adequacy - Ratio	4.50%	4.50%
To Be Well Capitalized - Amount	$ 47,122	$ 44,285
To Be Well Capitalized - Ratio	6.50%	6.50%
Tier 1 Capital (to average assets)
Actual - Amount	$ 87,392	$ 83,340
Actual - Ratio	9.51%	9.37%
For Capital Adequacy - Amount	$ 37,762	$ 35,593
For Capital Adequacy - Ratio	4.00%	4.00%
To Be Well Capitalized Under Prompt Corrective Action Provisions - Amount	$ 45,953	$ 44,491
To Be Well Capitalized Under Prompt Corrective Action Provisions - Ratio	5.00%	5.00%