Consolidated Statements of Operations (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Income Statement [Abstract]
Revenues	$ 253,873us-gaap_SalesRevenueNet	$ 137,143us-gaap_SalesRevenueNet	$ 82,299us-gaap_SalesRevenueNet
Costs and expenses:
Sales and marketing	66,201us-gaap_SellingAndMarketingExpense	37,347us-gaap_SellingAndMarketingExpense	26,892us-gaap_SellingAndMarketingExpense
Operations and support	62,509us-gaap_OtherCostAndExpenseOperating	34,173us-gaap_OtherCostAndExpenseOperating	18,165us-gaap_OtherCostAndExpenseOperating
Technology (exclusive of amortization)	25,185grub_TechnologyCosts	15,357grub_TechnologyCosts	10,172grub_TechnologyCosts
General and administrative	32,307us-gaap_GeneralAndAdministrativeExpense	21,907us-gaap_GeneralAndAdministrativeExpense	12,249us-gaap_GeneralAndAdministrativeExpense
Depreciation and amortization	22,687us-gaap_DepreciationAndAmortization	13,470us-gaap_DepreciationAndAmortization	6,089us-gaap_DepreciationAndAmortization
Total costs and expenses	208,889us-gaap_CostsAndExpenses	122,254us-gaap_CostsAndExpenses	73,567us-gaap_CostsAndExpenses
Income before provision for income taxes	44,984	14,889	8,732
Provision for income taxes	20,721us-gaap_IncomeTaxExpenseBenefit	8,142us-gaap_IncomeTaxExpenseBenefit	813us-gaap_IncomeTaxExpenseBenefit
Net income	24,263us-gaap_NetIncomeLoss	6,747us-gaap_NetIncomeLoss	7,919us-gaap_NetIncomeLoss
Preferred stock tax distributions	(320)	(1,073)	(402)
Net income attributable to common stockholders	$ 23,943	$ 5,674	$ 7,517
Net income per share attributable to common stockholders:
Basic	$ 0.33us-gaap_EarningsPerShareBasic	$ 0.14us-gaap_EarningsPerShareBasic	$ 0.24us-gaap_EarningsPerShareBasic
Diluted	$ 0.30us-gaap_EarningsPerShareDiluted	$ 0.12us-gaap_EarningsPerShareDiluted	$ 0.19us-gaap_EarningsPerShareDiluted
Weighted-average shares used to compute net income per share attributable to common stockholders:
Basic	73,571	40,681	31,320
Diluted	81,698	56,645	42,666

Salaries and benefits, stock-based compensation expense and bonuses for salaried employees and contractors engaged in the design, development, maintenance and testing of the Company's platform including its websites, mobile applications and other products. Technology expenses also include facilities costs allocated on a headcount basis but do not include amortization of capitalized website and software development costs.

No definition available.