Equity Incentive Plans (Tables)

3 Months Ended

Mar. 31, 2017

Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]

Summary of Stock-Based Compensation Expense

The following table summarizes our stock-based compensation expense by line item in the consolidated statements of operations (in thousands):

	Three Months Ended March 31,
	2017		2016
Cost of sales	$	10,031	$	6,403
Research and development		49,192		39,602
Selling, general and administrative		44,494		43,652
Total	$	103,717	$	89,657