CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	12 Months Ended
	Dec. 30, 2015	Dec. 31, 2014	Dec. 25, 2013
Statement of Comprehensive Income [Abstract]
Net income	$ 3,124	$ 2,118	$ 5,423
Other comprehensive loss
Unrealized holding losses on available-for-sale securities	(11)	0	0
Income tax benefit	0	0	0
OTHER COMPREHENSIVE LOSS, NET OF TAX	(11)	0	0
COMPREHENSIVE INCOME	3,113	2,118	5,423
Less: comprehensive loss attributable to non-controlling interests	(6)	0	0
COMPREHENSIVE INCOME ATTRIBUTABLE TO SHAKE SHACK INC.	$ 3,119	$ 2,118	$ 5,423