SALISBURY BANCORP (PARENT ONLY) CONDENSED FINANCIAL INFORMATION - Unconsolidated statements of cash flows 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
Adjustments to reconcile net income to net cash provided by operating activities:
Net cash provided by operating activities	13,277	10,207	11,273
Investing Activities
Net cash utilized by investing activities	(118,142)	(9,903)	(74,003)
Financing Activities
Common stock dividends paid	(3,133)	(3,113)	(3,086)
Net cash (utilized) provided by financing activities	114,824	12,697	36,097
Net (decrease) increase in cash and cash equivalents	9,959	13,001	(26,633)
Salisbury Bancorp, Inc. (Parent Only)
Net income	8,824	6,256	6,685
Adjustments to reconcile net income to net cash provided by operating activities:
Equity in undistributed net income of subsidiary	(6,088)	(3,290)	(3,780)
Other	(239)	(410)	(13)
Net cash provided by operating activities	2,497	2,556	2,892
Investing Activities
Investment in bank
Net cash utilized by investing activities
Financing Activities
Common stock dividends paid	(3,133)	(3,113)	(3,086)
Proceeds from issuance of common stock	222	395	263
Net cash (utilized) provided by financing activities	(2,911)	(2,718)	(2,823)
Net (decrease) increase in cash and cash equivalents	(414)	(162)	69
Cash and cash equivalents, beginning of period	2,519	2,681	2,612
Cash and cash equivalents, end of period	$ 2,105	$ 2,519	$ 2,681