Goodwill and Intangible Assets, net (Tables)

3 Months Ended

Mar. 31, 2014

Goodwill And Intangible Assets Disclosure [Abstract]

Schedule of Changes in Carrying Amount of Goodwill

The changes in the carrying amount of goodwill for the three months ended March 31, 2014 are as follows:

Balance as of December 31, 2013	$	13,823
Acquisitions		25,866
Balance as of March 31, 2014	$	39,689

Schedule of Intangible Assets

Intangible assets consist of the following at March 31, 2014:

	Gross Carrying Amount		Accumulated Amortization			Net
Patents and related technologies	$	34,772	$	(8,403	)	$	26,369
In-process research and development		14,900		—			14,900
Total	$	49,672	$	(8,403	)	$	41,269

Intangible assets consist of the following at December 31, 2013:

	Gross Carrying Amount		Accumulated Amortization			Net
Patents and related technologies	$	34,772	$	(7,716	)	$	27,056
In-process research and development		14,900		—			14,900
Total	$	49,672	$	(7,716	)	$	41,956