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Acquisitions and Dispositions - Estimated Fair Value of the Assets Acquired and Liabilities Assumed (Details) - USD ($)
$ in Thousands
1 Months Ended
Sep. 30, 2019
Mar. 31, 2020
Dec. 31, 2019
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net [Abstract]      
Goodwill   $ 196,289 $ 282,410
Acquisition that Provides Pipeline Integrity Management Software      
Business Combination, Consideration Transferred [Abstract]      
Cash paid $ 4,380    
Working capital adjustments (152)    
Fair value of contingent consideration 1,142    
Total consideration 5,370    
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net [Abstract]      
Current net assets 142    
Other assets 34    
Property, plant and equipment 65    
Intangibles 3,594    
Goodwill 1,535    
Net assets acquired $ 5,370