Acquisitions - Acquired Intangible Assets (Details) - TAS Energy $ in Thousands	Apr. 01, 2020 USD ($)
Acquired Finite-Lived Intangible Assets [Line Items]
Estimated Fair Value	$ 53,400
Backlog
Acquired Finite-Lived Intangible Assets [Line Items]
Estimated Useful Life	1 year
Estimated Fair Value	$ 5,200
Trade Name
Acquired Finite-Lived Intangible Assets [Line Items]
Estimated Useful Life	25 years
Estimated Fair Value	$ 8,200
Customer Relationships
Acquired Finite-Lived Intangible Assets [Line Items]
Estimated Useful Life	10 years
Estimated Fair Value	$ 40,000