Annual report pursuant to Section 13 and 15(d)

Acquisitions - RTS Energy Services Acquisition Narrative (Details)

v3.19.1
Acquisitions - RTS Energy Services Acquisition Narrative (Details) - USD ($)
$ in Thousands
9 Months Ended 12 Months Ended
Jun. 15, 2018
Sep. 30, 2018
Dec. 31, 2018
Dec. 31, 2017
[1]
Dec. 31, 2016
[2]
Business Acquisition [Line Items]          
Cash paid to acquire a business     $ 20,824 $ 42,008 $ 0
RTS Energy Services LLC          
Business Acquisition [Line Items]          
Cash paid to acquire a business $ 7,600 $ 500      
Consideration receivable $ 500        
Acquisition related costs     $ 100    
[1] Financial information includes the results attributable to Sturgeon for the entire period presented. See Note 4.
[2] Financial information has been recast to include results attributable to Sturgeon. See Note 4.