Annual report pursuant to Section 13 and 15(d)

SIGNIFICANT ACCOUNTING POLICIES - Additional Information (Details)

v3.20.4
SIGNIFICANT ACCOUNTING POLICIES - Additional Information (Details)
12 Months Ended
Dec. 31, 2020
USD ($)
segment
Dec. 31, 2019
USD ($)
Dec. 31, 2018
USD ($)
Dec. 31, 2011
USD ($)
Dec. 31, 2017
USD ($)
Property, Plant and Equipment [Line Items]          
Number of reportable segments | segment 1        
Accrued revenue $ 8,600,000 $ 37,000,000.0      
Revenue, remaining performance obligation, amount   47,500,000      
Allowance for doubtful accounts 1,497,000 1,049,000 $ 100,000   $ 443,000
Loss on disposal of assets 58,136,000 106,811,000 59,220,000    
Impairment expense     0    
Goodwill 0 9,425,000 9,425,000    
Advertising expense 400,000 1,200,000 1,300,000    
Amortization of deferred debt issuance costs 543,000 542,000 403,000    
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2021-01-01          
Property, Plant and Equipment [Line Items]          
Revenue, remaining performance obligation, amount $ 14,700,000        
Revenue, remaining performance obligation, expected timing of satisfaction, period 1 month        
Technology Stimulation Services, LLC          
Property, Plant and Equipment [Line Items]          
Consideration transferred       $ 24,400,000  
Property, plant, and equipment       15,000,000.0  
Goodwill       $ 9,400,000  
Goodwill impairment expense $ 9,400,000 0 0    
Pressure Pumping          
Property, Plant and Equipment [Line Items]          
Loss on disposal of assets 56,659,000 106,178,000 59,962,000    
Impairment expense 27,500,000        
Goodwill   9,425,000 9,425,000    
Drilling          
Property, Plant and Equipment [Line Items]          
Impairment expense 1,100,000        
All Other          
Property, Plant and Equipment [Line Items]          
Loss on disposal of assets $ 1,477,000 633,000 (742,000)    
Goodwill   0 $ 0    
All Other | Drilling          
Property, Plant and Equipment [Line Items]          
Impairment expense   1,200,000      
All Other | Flowback          
Property, Plant and Equipment [Line Items]          
Impairment expense   $ 2,200,000