Equity-Based Compensation - Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Equity-based compensation expense
Total equity-based compensation expense	$ 17,237	$ 8,625	$ 8,004
Income tax effect	(4,885)
After-tax effect of equity-based compensation expense	12,352	8,625	8,004
Cost of Sales
Equity-based compensation expense
Total equity-based compensation expense	371	122	121
Research and Development Expense
Equity-based compensation expense
Total equity-based compensation expense	2,992	1,596	2,149
Selling, General and Administrative Expenses [Member]
Equity-based compensation expense
Total equity-based compensation expense	$ 13,874	$ 6,907	$ 5,734