Annual report pursuant to Section 13 and 15(d)

RELATED???PARTY TRANSACTIONS (Details)

v3.20.4
RELATED‑PARTY TRANSACTIONS (Details)
1 Months Ended 12 Months Ended
Dec. 31, 2018
USD ($)
Apr. 30, 2020
USD ($)
Dec. 31, 2020
USD ($)
property
Dec. 31, 2019
USD ($)
Dec. 31, 2018
USD ($)
Executive officer and former executive officer and director          
Related Party Transaction [Line Items]          
Payable to related parties     $ 0 $ 0  
Receivable from related parties     0 0  
Pioneer and Pioneer Pumping Services          
Related Party Transaction [Line Items]          
Reimbursement from former executive officer, for the use of personnel to operate transportation equipment     2,700,000 4,200,000  
Payable to related parties     0 0  
Receivable from related parties     41,700,000 61,700,000  
Revenue from related parties     335,400,000 524,200,000 $ 76,000,000.0
Reimbursements for severance payments       2,500,000  
Related party leasing          
Related Party Transaction [Line Items]          
Expenses with related party     $ 100,000    
Related party leasing | Former executive officer and director          
Related Party Transaction [Line Items]          
Number of properties adjacent to corporate office subject to leases | property     5    
Related party leasing | Pioneer and Pioneer Pumping Services          
Related Party Transaction [Line Items]          
Amounts of transaction with related party       100,000  
Related party leasing | Corporate Offices          
Related Party Transaction [Line Items]          
Payments to acquire buildings   $ 1,500,000      
Related party leasing | Property 1 | Former executive officer and director          
Related Party Transaction [Line Items]          
Expenses with related party     $ 30,000.00    
Related party leasing | Property 2 | Former executive officer and director          
Related Party Transaction [Line Items]          
Expenses with related party     30,000.00    
Related party leasing | Property 3 | Former executive officer and director          
Related Party Transaction [Line Items]          
Expenses with related party     100,000    
Related party leasing | Property 4 | Former executive officer and director          
Related Party Transaction [Line Items]          
Expenses with related party     100,000    
Related party leasing | Property 5 | Former executive officer and director          
Related Party Transaction [Line Items]          
Expenses with related party     200,000    
Related party leasing | Drilling Yard | Former executive officer          
Related Party Transaction [Line Items]          
Expenses with related party     100,000    
Related party transportation services | Former executive officer          
Related Party Transaction [Line Items]          
Expenses with related party     0 200,000 400,000
Reimbursement from former executive officer, for the use of personnel to operate transportation equipment         50,000.00
Related party equipment rental | Former executive officer          
Related Party Transaction [Line Items]          
Expenses with related party     0 $ 200,000 200,000
Equipment maintenance and repair services | Executive officer          
Related Party Transaction [Line Items]          
Expenses with related party     $ 1,200,000    
Asset acquisition | Pioneer and Pioneer Pumping Services          
Related Party Transaction [Line Items]          
Consideration for asset acquisition $ 16,600,000        
Payments acquire assets, gross $ 110,000,000.0        
Oil and Gas Service | PT Petroleum, LLC          
Related Party Transaction [Line Items]          
Revenue from related parties         $ 16,700,000