Balance Sheet Details - Prepaid Expenses and Other Current Assets (Details) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Deferred Costs Capitalized Prepaid And Other Assets Disclosure [Abstract]
Non-trade receivables	$ 8,609	$ 7,689
Prepaid expenses	35,550	33,174
Derivative assets	4,735	10,396
Other current assets	1,812	1,593
Total	$ 50,706	$ 52,852