Quarterly report pursuant to Section 13 or 15(d)

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

v3.20.2
Goodwill and Intangible Assets - Schedule Of Changes in Goodwill (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2020
Mar. 31, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Dec. 31, 2019
Dec. 31, 2018
Goodwill [Roll Forward]              
Goodwill, gross period start   $ 104,448   $ 104,448 $ 104,448 $ 104,448  
Accumulated impairment losses $ (91,840)     (91,840)   (36,867) $ (3,203)
Goodwill, Total 12,608     12,608   67,581 101,245
Acquisitions       0   0  
Goodwill, Impairment Loss 0 (55,000) $ (3,194) (54,973) (3,194) (33,664)  
Goodwill, gross period end 104,448     104,448   104,448  
Infrastructure              
Goodwill [Roll Forward]              
Goodwill, gross period start   3,828   3,828 3,828 3,828  
Accumulated impairment losses (434)     (434)   (434) 0
Goodwill, Total 3,394     3,394   3,394 3,828
Acquisitions       0   0  
Goodwill, Impairment Loss       0   (434)  
Goodwill, gross period end 3,828     3,828   3,828  
Pressure Pumping              
Goodwill [Roll Forward]              
Goodwill, gross period start   86,043   86,043 86,043 86,043  
Accumulated impairment losses (76,829)     (76,829)   (23,423) 0
Goodwill, Total 9,214     9,214   62,620 86,043
Acquisitions       0   0  
Goodwill, Impairment Loss       (53,406)   (23,423)  
Goodwill, gross period end 86,043     86,043   86,043  
Sand              
Goodwill [Roll Forward]              
Goodwill, gross period start   2,684   2,684 2,684 2,684  
Accumulated impairment losses (2,684)     (2,684)   (2,684) 0
Goodwill, Total 0     0   0 2,684
Acquisitions       0   0  
Goodwill, Impairment Loss       0   (2,684)  
Goodwill, gross period end 2,684     2,684   2,684  
Other              
Goodwill [Roll Forward]              
Goodwill, gross period start   $ 11,893   11,893 $ 11,893 11,893  
Accumulated impairment losses (11,893)     (11,893)   (10,326) (3,203)
Goodwill, Total 0     0   1,567 $ 8,690
Acquisitions       0   0  
Goodwill, Impairment Loss       (1,567)   (7,123)  
Goodwill, gross period end $ 11,893     $ 11,893   $ 11,893