Stockholders' Equity - Summary of Changes in Stockholders' Equity (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Increase (Decrease) in Stockholder's Equity [Roll Forward]
Stockholders' equity attributable to parent, beginning balance	$ 124,383
Stock-based compensation	12,521
Reclassification of stock-compensation liability award	450
Stock option exercises	628
Foreign currency translation adjustment	686	$ 342
Unrealized loss on derivative	(216)	(1,511)
Net (loss) income attributable to non-controlling interest	226	(7,730)
Net loss attributable to Endurance International Group	(35,388)	$ 21,811
Stockholders' equity attributable to parent, ending balance	$ 103,290