SALISBURY BANCORP (PARENT ONLY) CONDENSED FINANCIAL INFORMATION - Unconsolidated statements of income of Salisbury Bancorp, Inc. (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Net income	$ 11,136	$ 8,824	$ 6,256
Salisbury Bancorp, Inc. (Parent Only)
Dividends from subsidiary	3,546	3,529	3,691
Interest income	10	10	8
Interest expense	624	624	624
Non-interest expenses	417	435	530
Income before taxes and equity in undistributed net income of subsidiary	2,515	2,480	2,545
Income tax benefit	252	256	421
Income before equity in undistributed net income of subsidiary	2,767	2,736	2,966
Equity in undistributed net income of subsidiary	8,369	6,088	3,290
Net income	$ 11,136	$ 8,824	$ 6,256