Inventory (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Inventory Disclosure [Abstract]
Raw materials	$ 59,151	$ 10,923
Work in process	132,068	73,519
Finished goods	11,197	10,768
Deferred costs	36,162	33,651
Total Inventories	238,578	128,861
Inventory write-downs and reserves	$ 10,600	$ 6,000	$ 9,100