Goodwill and Acquired Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2014

Goodwill And Intangible Assets Disclosure [Abstract]

Components of Acquired Intangible Assets (Finite Lived)

The components of acquired intangible assets as of December 31, 2014 and 2013 were as follows:

	December 31, 2014							December 31, 2013
	Gross Carrying Amount		Accumulated Amortization			NetCarrying Value		GrossCarrying Amount		Accumulated Amortization			NetCarrying Value
	(in thousands)
Developed technology	$	5,143	$	(2,392	)	$	2,751	$	5,143	$	(677	)	$	4,466
Customer and vendor relationships, databases		191,979		(30,067	)		161,912		191,979		(17,680	)		174,299
Total amortizable intangible assets		197,122		(32,459	)		164,663		197,122		(18,357	)		178,765
Indefinite-lived trademarks		89,676		—			89,676		89,676		—			89,676
Total acquired intangible assets	$	286,798	$	(32,459	)	$	254,339	$	286,798	$	(18,357	)	$	268,441

The components of the acquired intangibles added during the year ended December 31, 2013 were as follows:

	December 31, 2013
	Amount		Weighted-Average Amortization Period (years)
Developed technology	$	5,143		3
Customer and vendor relationships, databases		167,450		16.4
Indefinite-lived trademarks		85,276	Indefinite
	$	257,869

Components of Acquired Intangible Assets (Infinite Lived)

The components of acquired intangible assets as of December 31, 2014 and 2013 were as follows:

	December 31, 2014							December 31, 2013
	Gross Carrying Amount		Accumulated Amortization			NetCarrying Value		GrossCarrying Amount		Accumulated Amortization			NetCarrying Value
	(in thousands)
Developed technology	$	5,143	$	(2,392	)	$	2,751	$	5,143	$	(677	)	$	4,466
Customer and vendor relationships, databases		191,979		(30,067	)		161,912		191,979		(17,680	)		174,299
Total amortizable intangible assets		197,122		(32,459	)		164,663		197,122		(18,357	)		178,765
Indefinite-lived trademarks		89,676		—			89,676		89,676		—			89,676
Total acquired intangible assets	$	286,798	$	(32,459	)	$	254,339	$	286,798	$	(18,357	)	$	268,441

The components of the acquired intangibles added during the year ended December 31, 2013 were as follows:

	December 31, 2013
	Amount		Weighted-Average Amortization Period (years)
Developed technology	$	5,143		3
Customer and vendor relationships, databases		167,450		16.4
Indefinite-lived trademarks		85,276	Indefinite
	$	257,869

Changes in Carrying Amount of Goodwill

The changes in the carrying amount of goodwill for the years ended December 31, 2014 and 2013 were as follows.

	Goodwill		Accumulated Impairment Losses		Net Book Value
	(in thousands)
Balance as of December 31, 2012	$	113,442	$	—	$	113,442
Acquisition of GrubHub Holdings Inc.		239,346		—		239,346
Balance as of December 31, 2013		352,788		—		352,788
Balance as of December 31, 2014	$	352,788	$	—	$	352,788

Estimated Future Amortization of Acquired Intangible Assets

Estimated future amortization expense of acquired intangible assets as of December 31, 2014 was as follows:

	(in thousands)
2015	$	14,102
2016		13,344
2017		12,068
2018		12,068
2019		10,656
Thereafter		102,425
Total	$	164,663