Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurement - Additional Information (Details)

v3.20.2
Fair Value Measurement - Additional Information (Details)
3 Months Ended 9 Months Ended 12 Months Ended
Mar. 31, 2020
USD ($)
Sep. 30, 2019
USD ($)
Sep. 30, 2020
USD ($)
hp
Sep. 30, 2019
USD ($)
Dec. 31, 2019
USD ($)
hp
Property, Plant and Equipment [Line Items]          
Deposit on property and equipment     $ 6,100,000   $ 6,100,000
Goodwill, period increase (decrease)     0 $ 0  
Permian drilling assets          
Property, Plant and Equipment [Line Items]          
Impairment expense     1,100,000    
Nonrecurring Basis          
Property, Plant and Equipment [Line Items]          
Impairment expense     0   3,405,000
Goodwill, impairment loss     0   $ 0
Hydraulic fracturing and drilling segments          
Property, Plant and Equipment [Line Items]          
Impairment of property and equipment     7,200,000 0  
Pumping reportable segment          
Property, Plant and Equipment [Line Items]          
Goodwill, impairment loss $ 9,400,000 $ 0 $ 9,400,000 $ 0  
DuraStim          
Property, Plant and Equipment [Line Items]          
Purchase options, property and equipment | hp     108,000   108,000