Acquisitions - Summary of Intangible Assets (Details) - Alpha $ in Thousands	Dec. 07, 2018 USD ($)
Business Acquisition [Line Items]
Other intangible assets	$ 332,000
Customer relationships
Business Acquisition [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	14 years
Acquired intangible assets	$ 221,000
Technology
Business Acquisition [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	10 years
Acquired intangible assets	$ 55,000
Trademarks
Business Acquisition [Line Items]
Acquired indefinite-lived intangible assets	$ 56,000