Acquisitions - Schedule of Acquired Intangible Assets (Details) - USD ($) $ in Thousands			12 Months Ended
	Feb. 08, 2018	May 31, 2017	Dec. 31, 2018
Developed technology
Acquired Finite And Indefinite Lived Intangible Assets [Line Items]
Amortization Period			6 years 6 months
Customer relationships
Acquired Finite And Indefinite Lived Intangible Assets [Line Items]
Amortization Period			18 years 5 months
Trademarks
Acquired Finite And Indefinite Lived Intangible Assets [Line Items]
Amortization Period			7 years 11 months
Snell Advanced Media
Acquired Finite And Indefinite Lived Intangible Assets [Line Items]
Total intangible assets subject to amortization	$ 51,000
Total intangible assets not subject to amortization	102,715
Total intangible assets	$ 153,715
Amortization Period	6 years 2 months
Snell Advanced Media | Goodwill
Acquired Finite And Indefinite Lived Intangible Assets [Line Items]
Total intangible assets not subject to amortization	$ 102,715
Snell Advanced Media | Developed technology
Acquired Finite And Indefinite Lived Intangible Assets [Line Items]
Total intangible assets subject to amortization	$ 36,500
Amortization Period	5 years
Snell Advanced Media | Customer relationships
Acquired Finite And Indefinite Lived Intangible Assets [Line Items]
Total intangible assets subject to amortization	$ 11,000
Amortization Period	12 years
Snell Advanced Media | Trademarks
Acquired Finite And Indefinite Lived Intangible Assets [Line Items]
Total intangible assets subject to amortization	$ 1,600
Amortization Period	11 months
Snell Advanced Media | Sales backlog
Acquired Finite And Indefinite Lived Intangible Assets [Line Items]
Total intangible assets subject to amortization	$ 1,900
Amortization Period	3 months 18 days
Thinklogical Holdings LLC
Acquired Finite And Indefinite Lived Intangible Assets [Line Items]
Total intangible assets subject to amortization		$ 73,400
Total intangible assets not subject to amortization		70,654
Total intangible assets		$ 144,054
Amortization Period		9 years 7 months 6 days
Thinklogical Holdings LLC | Goodwill
Acquired Finite And Indefinite Lived Intangible Assets [Line Items]
Total intangible assets not subject to amortization		$ 70,654
Thinklogical Holdings LLC | Developed technology
Acquired Finite And Indefinite Lived Intangible Assets [Line Items]
Total intangible assets subject to amortization		$ 62,600
Amortization Period		10 years
Thinklogical Holdings LLC | Customer relationships
Acquired Finite And Indefinite Lived Intangible Assets [Line Items]
Total intangible assets subject to amortization		$ 6,500
Amortization Period		8 years
Thinklogical Holdings LLC | Trademarks
Acquired Finite And Indefinite Lived Intangible Assets [Line Items]
Total intangible assets subject to amortization		$ 2,900
Amortization Period		10 years
Thinklogical Holdings LLC | Sales backlog
Acquired Finite And Indefinite Lived Intangible Assets [Line Items]
Total intangible assets subject to amortization		$ 1,400
Amortization Period		3 months 19 days