SHAREHOLDERS' EQUITY - Regulatory capital position and minimum capital requirements (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Actual
Salisbury, Amount	$ 63,391	$ 60,869
Salisbury, Ratio	16.63%	15.97%
Bank, Amount	53,132	50,729
Bank, Ratio	13.77%	13.16%
Salisbury, Amount	58,933	56,718
Salisbury, Ratio	15.46%	14.88%
Bank, Amount	48,674	46,578
Bank, Ratio	12.62%	12.08%
Salisbury, Amount	58,933	56,718
Salisbury, Ratio	9.87%	9.45%
Bank, Amount	48,674	46,578
Bank, Ratio	815.00%	7.77%
For Capital Adequacy Purposes
Salisbury, Amount	30,494	30,490
Salisbury, Ratio	8.00%	8.00%
Bank, Amount	30,866	30,840
Bank, Ratio	8.00%	8.00%
Salisbury, Amount	15,247	15,245
Salisbury, Ratio	4.00%	4.00%
Bank, Amount	15,432	15,420
Bank, Ratio	4.00%	4.00%
Salisbury, Amount	23,876	24,014
Salisbury, Ratio	4.00%	4.00%
Bank, Amount	23,876	23,969
Bank, Ratio	4.00%	400.00%
To be Well Capitalized Under Prompt Corrective Action Provisions
Salisbury, Ratio
Bank, Amount	38,582	38,550
Bank, Ratio	10.00%	10.00%
Salisbury, Ratio
Bank, Amount	23,149	23,130
Bank, Ratio	6.00%	6.00%
Salisbury, Ratio
Bank, Amount	$ 29,845	$ 29,961
Bank, Ratio	5.00%	500.00%