NET DEFERRED TAX ASSET AND INCOME TAXES - Components of Salisbury's net deferred tax assets (Details) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Income Tax Disclosure [Abstract]
Allowance for loan losses	$ 1,259,000	$ 1,162,000
Interest on non-performing loans	220,000	156,000
Accrued deferred compensation	46,000	50,000
Post-retirement benefits	15,000	15,000
Other real estate owned property write-down	7,000
Capital loss carry forward	349,000	349,000
Unrecognized pension expense	242,000	1,060,000
Write-down of securities	1,388,000	1,388,000
Alternative minimum tax	591,000	751,000
Net unrealized holding loss on available-for-sale securities
Gross deferred tax assets	4,117,000	4,931,000
Valuation allowance	(349,000)	(349,000)
Gross deferred tax assets, net	3,768,000	4,582,000
Deferred loan costs, net	(351,000)	(342,000)
Goodwill and core deposit intangible asset	(736,000)	(725,000)
Accelerated depreciation	(1,171,000)	(1,254,000)
Mark-to-market purchase accounting adjustments	(17,000)	(28,000)
Mortgage servicing rights	(353,000)	(255,000)
Prepaid pension	(234,000)	(453,000)
Net unrealized holding gain on available-for-sale securities	(1,496,000)	(696,000)
Gross deferred tax liabilities	(4,358,000)	(3,753,000)
Net deferred tax asset	$ (590,000)	$ 829,000