Quarterly report pursuant to Section 13 or 15(d)

CRUDE OIL AND NATURAL GAS PROPERTIES - Narrative (Details)

v3.19.3
CRUDE OIL AND NATURAL GAS PROPERTIES - Narrative (Details)
3 Months Ended 9 Months Ended 12 Months Ended
Jul. 01, 2019
USD ($)
well
$ / shares
shares
Oct. 01, 2018
USD ($)
$ / shares
shares
Sep. 17, 2018
USD ($)
$ / shares
shares
Jul. 27, 2018
USD ($)
a
well
Jul. 17, 2018
USD ($)
well
a
Jun. 04, 2018
USD ($)
$ / shares
shares
Apr. 25, 2018
well
a
Sep. 30, 2019
USD ($)
Sep. 30, 2018
USD ($)
Sep. 30, 2019
USD ($)
Sep. 30, 2018
USD ($)
Sep. 30, 2019
USD ($)
Sep. 30, 2019
USD ($)
Asset Acquisition [Line Items]                          
Total fair value of consideration transferred               $ 19,100,000   $ 36,300,000      
Cash consideration                   $ 210,642,000 $ 125,487,000    
Anticipated future period over which excluded costs will become subject to depletion                   5 years      
Leases expired               800,000 $ 3,100,000 $ 2,500,000 $ 8,100,000    
VEN Bakken LLC                          
Asset Acquisition [Line Items]                          
Total fair value of consideration transferred $ 312,434,000                        
Development costs incurred prior to closing               9,200,000   $ 11,300,000      
Number of net PDP wells acquired (in wells) | well 90.1                        
Number of net PDNP wells acquired (in wells) | well 3.3                        
Net mineral acres acquired (in acres) | well 18,000                        
Unadjusted cash consideration $ 172,100,000                        
Cash consideration $ 172,066,000                        
Number of shares issued (in shares) | shares 5,602,147                        
Value of shares transferred $ 11,708,000                        
Share price (in dollars per share) | $ / shares $ 2.09                        
Revenue               26,100,000          
Earnings               $ 10,000,000.0          
Transaction costs $ 1,800,000                        
VEN Bakken LLC | Senior Unsecured Notes                          
Asset Acquisition [Line Items]                          
Value of debt used in asset acquisition $ 128,700,000                        
Interest rate 6.00%                        
Principal amount $ 130,000,000.0                        
W Energy Acquisition                          
Asset Acquisition [Line Items]                          
Total fair value of consideration transferred   $ 341,633,000                      
Number of net PDP wells acquired (in wells) | well       27.2                  
Number of net PDNP wells acquired (in wells) | well       5.9                  
Net mineral acres acquired (in acres) | a       10,633                  
Cash consideration   97,838,000   $ 117,100,000                  
Adjustment to consideration transferred   $ 2,200,000                   $ 17,000,000.0  
Number of shares issued (in shares) | shares   51,476,961                      
Value of shares transferred   $ 220,836,000                      
Share price (in dollars per share) | $ / shares   $ 4.29                      
Contingent consideration   $ 22,959,000                      
Pivotal Entities                          
Asset Acquisition [Line Items]                          
Total fair value of consideration transferred     $ 146,134,000   $ 68,400,000                
Number of net PDP wells acquired (in wells) | well         20.8                
Number of net PDNP wells acquired (in wells) | well         2.2                
Net mineral acres acquired (in acres) | a         444                
Cash consideration     48,189,000                    
Adjustment to consideration transferred     $ 7,800,000                   $ 12,400,000
Number of shares issued (in shares) | shares     25,753,578                    
Value of shares transferred     $ 88,592,000                    
Share price (in dollars per share) | $ / shares     $ 3.44                    
Contingent consideration     $ 9,353,000                    
Salt Creek Oil and Gas, LLC                          
Asset Acquisition [Line Items]                          
Total fair value of consideration transferred           $ 59,978,000              
Number of gross PDP wells acquired (in wells) | well             64            
Number of net PDP wells acquired (in wells) | well             5.5            
Number of gross PDNP wells acquired (in wells) | well             31            
Number of net PDNP wells acquired (in wells) | well             1.5            
Net mineral acres acquired (in acres) | a             1,319            
Cash consideration           $ 44,738,000              
Number of shares issued (in shares) | shares           6,000,000.0              
Value of shares transferred           $ 15,240,000              
Share price (in dollars per share) | $ / shares           $ 2.54