SALISBURY BANCORP (PARENT ONLY) CONDENSED FINANCIAL INFORMATION - Unconsolidated statements of income of Salisbury Bancorp, Inc. (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Net income	$ 8,824	$ 6,256	$ 6,685
Salisbury Bancorp, Inc. (Parent Only)
Dividends from subsidiary	3,529	3,691	3,491
Interest income	10	8	6
Interest expense	624	624	624
Non-interest expenses	435	530	337
Income before taxes and equity in undistributed net income of subsidiary	2,480	2,545	2,536
Income tax benefit	256	421	369
Income before equity in undistributed net income of subsidiary	2,736	2,966	2,905
Equity in undistributed net income of subsidiary	6,088	3,290	3,780
Net income	$ 8,824	$ 6,256	$ 6,685