SALISBURY BANCORP (PARENT ONLY) CONDENSED FINANCIAL INFORMATION - Unconsolidated statements of cash flows of Salisbury Bancorp, Inc. (Details) - Salisbury Bancorp, Inc. (Parent Only) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Net income	$ 6,685	$ 8,457	$ 2,521
Adjustments to reconcile net income to net cash provided by operating activities:
Equity in undistributed net income of subsidiary	(3,780)	(6,049)	(1,252)
Other	(13)	(275)	85
Net cash provided by operating activities	2,892	2,133	1,354
Investing Activities
Investment in bank			27,251
Maturities of interest-bearing time deposits of other banks			738
Net cash utilized by investing activities			(26,513)
Financing Activities
Common stock dividends paid	(3,086)	(3,054)	(1,918)
Preferred stock dividends paid		(158)	(166)
Proceeds from issuance of subordinated debt, net of issue cost		9,764
Redemption of preferred stock		(16,000)
Proceeds from issuance of common stock	263	491	126
Issuance of Salisbury stock to Riverside shareholders			27,251
Net cash (utilized) provided by financing activities	(2,823)	(8,957)	25,293
Increase (decrease) in cash and cash equivalents	69	(6,824)	134
Cash and cash equivalents, beginning of period	2,612	9,436	9,302
Cash and cash equivalents, end of period	$ 2,681	$ 2,612	$ 9,436