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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 Names  
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