Summary of Significant Accounting Policies (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Dec. 31, 2016
Inventory, net
Raw materials	$ 83,751	$ 84,431
Work-in-progress	13,288	1,204
Finished goods	12,422	17,960
Total inventory	109,461	103,595
Accounting Standards Update 2016-09
Inventory, net
Decrease in deferred tax liabilities	7,100
Decrease in capital in excess	1,900
Reclassification | Accounting Standards Update 2016-09
Inventory, net
Increase in retained earnings	7,100
Accrued liabilities
Inventory, net
Deferred Revenue	259,700	255,600
Other long-term liabilities
Inventory, net
Deferred Revenue	262,800	321,000
Other current assets
Inventory, net
Deferred expenses	73,000	63,400
Other long term assets
Inventory, net
Deferred expenses	$ 59,600	$ 69,500