Quarterly report pursuant to Section 13 or 15(d)

Goodwill and Intangible Assets - Schedule Of Changes in Goodwill (Details)

v3.20.1
Goodwill and Intangible Assets - Schedule Of Changes in Goodwill (Details) - USD ($)
$ in Thousands
 3 Months Ended 12 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Dec. 31, 2019
Dec. 31, 2018
Goodwill [Roll Forward]        
Goodwill, gross period start $ 104,448 $ 104,448 $ 104,448  
Accumulated impairment losses (91,840)   (36,867) $ (3,203)
Goodwill, Total 12,608   67,581 101,245
Acquisitions 0   0  
Goodwill, Impairment Loss (54,973) 0 (33,664)  
Goodwill, gross period end 104,448   104,448  
Infrastructure        
Goodwill [Roll Forward]        
Goodwill, gross period start 3,828 3,828 3,828  
Accumulated impairment losses (434)   (434) 0
Goodwill, Total 3,394   3,394 3,828
Acquisitions 0   0  
Goodwill, Impairment Loss 0   (434)  
Goodwill, gross period end 3,828   3,828  
Pressure Pumping        
Goodwill [Roll Forward]        
Goodwill, gross period start 86,043 86,043 86,043  
Accumulated impairment losses (76,829)   (23,423) 0
Goodwill, Total 9,214   62,620 86,043
Acquisitions 0   0  
Goodwill, Impairment Loss (53,406)   (23,423)  
Goodwill, gross period end 86,043   86,043  
Sand        
Goodwill [Roll Forward]        
Goodwill, gross period start 2,684 2,684 2,684  
Accumulated impairment losses (2,684)   (2,684) 0
Goodwill, Total 0   0 2,684
Acquisitions 0   0  
Goodwill, Impairment Loss 0   (2,684)  
Goodwill, gross period end 2,684   2,684  
Other        
Goodwill [Roll Forward]        
Goodwill, gross period start 11,893 $ 11,893 11,893  
Accumulated impairment losses (11,893)   (10,326) (3,203)
Goodwill, Total 0   1,567 $ 8,690
Acquisitions 0   0  
Goodwill, Impairment Loss (1,567)   (7,123)  
Goodwill, gross period end $ 11,893   $ 11,893