Commitments and Contingencies - Narrative (Details)	12 Months Ended
	Dec. 31, 2015 USD ($) claim	Dec. 31, 2014 USD ($)	Dec. 31, 2013 USD ($)
Loss Contingencies [Line Items]
Rent expense	$ 14,400,000	$ 10,700,000	$ 3,700,000
Future minimum sublease rentals	700,000
Letters of credit	1,200,000	1,900,000	$ 900,000
Amounts drawn against letters of credit	$ 0
Number of claims under indemnification provisions | claim	0
Product
Loss Contingencies [Line Items]
Non-cancellable open orders	$ 16,900,000	$ 23,200,000
Software and services
Loss Contingencies [Line Items]
Non-cancellable open orders	$ 35,900,000