Other Income (Expense), Net - Summary of Other Income (Expense), Net (Details) - USD ($)	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Other Income and Expenses [Abstract]
Interest income	$ 10,571,000	$ 4,971,000	$ 2,895,000
Interest expense	(50,882,000)	(6,797,000)	0
Net loss on foreign exchange and foreign currency derivative contracts	(15,017,000)	(3,284,000)	(1,626,000)
Net realized gain on sales of marketable securities	72,000	117,000	127,000
Net unrealized loss on other derivative financial instrument	(8,800,000)	0	0
Other non-operating income, net	268,000	63,000	20,000
Total other income (expense), net	(63,788,000)	(4,930,000)	1,416,000
Interest costs capitalized	$ 1,300,000	$ 0	$ 0