REGULATORY MATTERS (Tables)

12 Months Ended

Dec. 31, 2016

Banking and Thrift [Abstract]

Schedule of Compliance with Regulatory Capital Requirements under Banking Regulations

										To Be Well
										Capitalized Under
						For Capital				Prompt Corrective
		Actual				Adequacy Purposes				Action Provisions
(Dollars in thousands)		Amount		Ratio		Amount		Ratio		Amount		Ratio
As of December 31, 2016:
Total Capital to risk-weighted assets
	Company	$	529,990	12.80	%	$	331,177	8.00	%		N/A	N/A
	Sandy Spring Bank	$	508,593	12.33	%	$	330,023	8.00	%	$	412,529	10.00	%
Tier 1 Capital to risk-weighted assets
	Company	$	485,923	11.74	%	$	248,383	6.00	%		N/A	N/A
	Sandy Spring Bank	$	434,526	10.53	%	$	247,517	6.00	%	$	330,023	8.00	%
Common Equity Tier 1 Capital to risk-
	weighted assets
	Company	$	455,923	11.01	%	$	186,287	4.50	%		N/A	N/A
	Sandy Spring	$	434,526	10.53	%	$	185,638	4.50	%	$	268,144	6.50	%
Tier 1 Leverage
	Company	$	485,923	10.14	%	$	191,776	4.00	%		N/A	N/A
	Sandy Spring Bank	$	434,526	9.09	%	$	191,304	4.00	%	$	239,130	5.00	%
As of December 31, 2015:
Total Capital to risk-weighted assets
	Company	$	519,179	14.25	%	$	291,444	8.00	%		N/A	N/A
	Sandy Spring Bank	$	505,510	13.90	%	$	290,920	8.00	%	$	363,650	10.00	%
Tier 1 Capital to risk-weighted assets
	Company	$	478,284	13.13	%	$	218,583	6.00	%		N/A	N/A
	Sandy Spring Bank	$	429,615	11.81	%	$	218,190	6.00	%	$	290,920	8.00	%
Common Equity Tier 1 Capital to risk-
	weighted assets
	Company	$	443,284	12.17	%	$	163,937	4.50	%		N/A	N/A
	Sandy Spring	$	429,615	11.81	%	$	163,642	4.50	%	$	236,372	6.50	%
Tier 1 Leverage
	Company	$	478,284	10.60	%	$	180,463	4.00	%		N/A	N/A
	Sandy Spring Bank	$	429,615	9.53	%	$	180,279	4.00	%	$	225,349	5.00	%