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Acquisitions - Estimated Fair Value of the Assets Acquired and Liabilities Assumed (Details) - USD ($)
$ in Thousands
1 Months Ended
Sep. 30, 2019
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Estimated fair value of the assets acquired and liabilities assumed        
Goodwill   $ 205,439 $ 206,008 $ 282,410
Pipeline Integrity Management Software Company        
Consideration transferred:        
Cash paid $ 4,380      
Working capital adjustments (152)      
Fair value of contingent consideration 1,342      
Total consideration 5,570      
Estimated fair value of the assets acquired and liabilities assumed        
Current net assets 142      
Other assets 34      
Property, plant and equipment 65      
Intangibles 3,594      
Goodwill 1,735      
Net assets acquired $ 5,570