Consolidated Statements of Changes in Stockholders' Equity and Redeemable Common Stock (USD $) In Thousands, except Share data	Total		Common stock	Preferred Stock	Treasury Stock	Additional Paid-in Capital	Accumulated Other Comprehensive Income (Loss)	Retained Earnings	Redeemable Common Stock
Balance, beginning at Dec. 31, 2011	$ 131,971		$ 3	$ 1		$ 86,414	$ (142)	$ 45,695
Balance, beginning (in shares) at Dec. 31, 2011			31,319,911	11,185,683
Net income	7,919							7,919
Common stock repurchase	(858)				(858)
Common stock repurchase (Shares)			(131,607)		131,607
Currency translation	115						115
Capital contribution from stockholders	6,000					6,000
Stock-based compensation	2,364					2,364
Preferred stock tax distributions	(1,588)							(1,588)
Stock option exercises, net of withholdings and other	116					116
Stock option exercises, net of withholdings and other (in shares)			29,860
Deferred tax effects attributable to merger of partnership interest or resulting from partnership status	(8,151)					(8,151)
Balance, ending at Dec. 31, 2012	137,888		3	1	(858)	86,743	(27)	52,026
Balance, ending (in shares) at Dec. 31, 2012			31,218,164	11,185,683	131,607
Net income	6,747							6,747
Common stock repurchase	(1,367)				(1,367)
Common stock repurchase (Shares)			(176,082)		176,082
Treasury share reissuance					2,225	(2,225)
Treasury share reissuance (shares)			307,689		(307,689)
Currency translation	159						159
Stock-based compensation	4,933					4,933
Equity issued from merger with GrubHub Holdings Inc.	421,485		2	1		421,482
Equity issued from merger with GrubHub Holdings Inc. (shares)			23,318,580	8,098,430
Preferred stock tax distributions	(1,893)							(1,893)
Redeemable common stock	(18,415)					(18,415)			18,415
Redeemable common stock (shares)			(1,344,236)						1,344,236
Stock option exercises, net of withholdings and other	1,418					1,418
Stock option exercises, net of withholdings and other (in shares)			433,322
Deferred tax effects attributable to merger of partnership interest or resulting from partnership status	6,420					6,420
Balance, ending, redeemable stock at Dec. 31, 2013	18,415								18,415
Balance, ending at Dec. 31, 2013	557,375		5	2		500,356	132	56,880
Balance, ending, redeemable stock (in shares) at Dec. 31, 2013	1,344,236								1,344,236
Balance, ending (in shares) at Dec. 31, 2013			53,757,437	19,284,113
Net income	24,263							24,263
Currency translation	(394)						(394)
Termination of put rights of redeemable common stock, in connection with the IPO	34,950					34,950			(34,950)
Termination of put rights of redeemable common stock in connection with the IPO (in shares)			1,344,236						(1,344,236)
Conversion of preferred stock upon IPO			2	(2)
Conversion of preferred stock upon IPO (in shares)			19,284,113	(19,284,113)
Issuance of common stock, net of issuance costs	142,541		1			142,540
Issuance of common stock, net of issuance costs (in shares)			5,250,000
Change in fair value of redeemable common stock	(16,535)					(16,535)			16,535
Stock-based compensation	9,530					9,530
Tax benefit related to stock-based compensation	12,975					12,975
Preferred stock tax distributions	(320)							(320)
Stock option exercises, net of withholdings and other	9,376					9,376
Stock option exercises, net of withholdings and other (in shares)	2,554,699	[1]	2,416,651
Common stock repurchases and retirements	(3,239)					(3,239)
Common stock repurchases and retirements (in shares)			(147,112)
Balance, ending at Dec. 31, 2014	$ 770,522		$ 8			$ 689,953	$ (262)	$ 80,823
Balance, ending, redeemable stock (in shares) at Dec. 31, 2014	0
Balance, ending (in shares) at Dec. 31, 2014			81,905,325

[1] Included 138,048 shares of restricted common stock owned by officers of the Company that contained forfeiture provisions.