Annual report pursuant to Section 13 and 15(d)

FAIR VALUE MEASUREMENTS - Additional Information (Details)

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FAIR VALUE MEASUREMENTS - Additional Information (Details)
1 Months Ended 3 Months Ended 12 Months Ended
Mar. 31, 2020
USD ($)
Mar. 31, 2020
USD ($)
Dec. 31, 2020
USD ($)
hydraulic_horse_power
hp
Dec. 31, 2019
USD ($)
hydraulic_horse_power
Dec. 31, 2018
USD ($)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]          
Impairment expense         $ 0
Net carrying value of property and equipment     $ 880,477,000 $ 1,047,535,000  
Deposit on property and equipment     6,100,000 6,100,000  
Additions or disposals of goodwill     $ 0 $ 0 0
DuraStim          
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]          
Purchase options, property and equipment     108,000 108,000  
Pressure Pumping          
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]          
Asset retirement obligation, pressure pumping equipment | hydraulic_horse_power     150,000    
Carrying value of impaired assets to be disposed     $ 21,300,000    
Drilling          
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]          
Impairment expense     1,100,000    
Net carrying value of property and equipment     1,800,000    
Pumping Reportable Segment          
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]          
Goodwill impairment expense $ 9,400,000 $ 9,400,000   $ 0 0
All Other          
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]          
Impairment of property and equipment       $ 3,400,000 $ 0
All Other | Hydraulic Fracturing and Flowback and Drilling Segments          
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]          
Impairment of property and equipment     $ 28,600,000