Stockholders' Equity (Tables)

6 Months Ended

Jun. 30, 2016

Equity [Abstract]

Schedule of Stock-Based Compensation Expense

Stock-based compensation expense was as follows:

	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2016		2015		2016		2015
Stock-based compensation expense recognized as:
R&D expense	$	5,858	$	6,109	$	11,895	$	11,920
SG&A expense		8,836		7,969		17,010		15,530
Total	$	14,694	$	14,078	$	28,905	$	27,450

Summary of Changes in Accumulated Other Comprehensive Income (Loss)

The following table summarizes the changes in accumulated other comprehensive loss by component, net of tax:

	Unrealized Gains and Losses on Cash Flow Hedges			Unrealized Gains and Losses on Available-for-Sale Securities			Total
Balance at December 31, 2015		—			—			—
Other comprehensive loss before reclassifications	$	(687	)	$	(6	)	$	(693	)
Amounts reclassified from other comprehensive loss		143			—			143
Net current period other comprehensive loss		(544	)		(6	)		(550	)
Balance at June 30, 2016	$	(544	)	$	(6	)	$	(550	)