Acquisitions - Schedule of Acquired Intangible Assets (Details) - USD ($) $ in Thousands	Jan. 29, 2021	Apr. 04, 2021	Dec. 31, 2020
Business Acquisition [Line Items]
Goodwill		$ 1,284,913	$ 1,251,938
OTN Systems N.V.
Business Acquisition [Line Items]
Total intangible assets subject to amortization	$ 33,500
Goodwill	39,337
Total intangible assets	$ 72,837
Amortization Period	5 years 10 months 24 days
OTN Systems N.V. | Goodwill
Business Acquisition [Line Items]
Goodwill	$ 39,337
OTN Systems N.V. | Developed technologies
Business Acquisition [Line Items]
Total intangible assets subject to amortization	$ 20,000
Amortization Period	5 years
OTN Systems N.V. | Customer relationships
Business Acquisition [Line Items]
Total intangible assets subject to amortization	$ 7,500
Amortization Period	12 years
OTN Systems N.V. | Sales backlog
Business Acquisition [Line Items]
Total intangible assets subject to amortization	$ 3,500
Amortization Period	10 months 24 days
OTN Systems N.V. | Trademarks
Business Acquisition [Line Items]
Total intangible assets subject to amortization	$ 1,500
Amortization Period	2 years
OTN Systems N.V. | Non-compete agreements
Business Acquisition [Line Items]
Total intangible assets subject to amortization	$ 1,000
Amortization Period	2 years