Quarterly report pursuant to Section 13 or 15(d)

Related-Party Transactions - Narrative (Details)

v3.20.1
Related-Party Transactions - Narrative (Details)
$ in Thousands, shares in Millions
1 Months Ended 3 Months Ended 9 Months Ended 12 Months Ended
Apr. 30, 2020
USD ($)
Sep. 30, 2019
USD ($)
property
Sep. 30, 2018
USD ($)
Sep. 30, 2019
USD ($)
property
Sep. 30, 2018
USD ($)
Dec. 31, 2018
USD ($)
shares
Related Party Transaction [Line Items]            
Operating leases           $ 892
Payable to related parties   $ 0   $ 0   10
Service revenue   541,847 $ 434,041 1,617,521 $ 1,279,148  
Related party leasing            
Related Party Transaction [Line Items]            
Expenses with related party       100    
Improvements   $ 1,300   $ 1,300    
Number of properties adjacent to corporate office subject to leases | property   5   5    
Construction and purchase agreement            
Related Party Transaction [Line Items]            
Construction and purchase obligation           2,300
Related party transportation services            
Related Party Transaction [Line Items]            
Expenses with related party       $ 200 300  
Related party equipment rental            
Related Party Transaction [Line Items]            
Expenses with related party       100 100  
Property one | Related party leasing            
Related Party Transaction [Line Items]            
Expenses with related party       30    
Property two | Related party leasing            
Related Party Transaction [Line Items]            
Expenses with related party       30    
Property three | Related party leasing            
Related Party Transaction [Line Items]            
Expenses with related party       100    
Property four | Related party leasing            
Related Party Transaction [Line Items]            
Expenses with related party       100    
Property five | Related party leasing            
Related Party Transaction [Line Items]            
Expenses with related party       200    
Drilling yard | Related party leasing            
Related Party Transaction [Line Items]            
Operating leases   $ 100   100    
Pioneer and Pioneer Pumping Services            
Related Party Transaction [Line Items]            
Payable to related parties   0   $ 0   109,800
Asset acquisition cost           $ 110,000
Consideration transferred ( in shares ) | shares           16.6
Service term ( in years) ( up to )       10 years    
Service revenue provided   120,700 $ 17,800 $ 407,800 56,000  
Reimbursement for retention bonuses paid       2,900    
Reimbursements for severance payments       2,500    
Receivable from related parties   $ 76,100   $ 76,100   $ 15,700
Subsequent Event | Corporate offices | Related party leasing            
Related Party Transaction [Line Items]            
Payments to acquire buildings $ 1,500          
Oil and gas service | PT Petroleum, LLC            
Related Party Transaction [Line Items]            
Service revenue         $ 16,700