Quarterly report pursuant to Section 13 or 15(d)

CRUDE OIL AND NATURAL GAS PROPERTIES - Narrative (Details)

v3.20.2
CRUDE OIL AND NATURAL GAS PROPERTIES - Narrative (Details)
$ / shares in Units, a in Thousands
3 Months Ended 6 Months Ended
Jul. 01, 2019
USD ($)
well
a
$ / shares
shares
Jun. 30, 2020
USD ($)
Jun. 30, 2019
USD ($)
Jun. 30, 2020
USD ($)
Jun. 30, 2019
USD ($)
Asset Acquisition [Line Items]          
Impairment Expense   $ 762,716,000 $ 0 $ 762,716,000 $ 0
Anticipated future period over which excluded costs will become subject to depletion       5 years  
Leases expired   400,000 1,000,000.0 $ 2,000,000.0 1,800,000
Independent Transactions          
Asset Acquisition [Line Items]          
Consideration transferred   25,900,000 $ 11,300,000 400,000 $ 19,700,000
Development costs incurred prior to closing   $ 100,000   $ 18,400,000  
VEN Bakken LLC          
Asset Acquisition [Line Items]          
Consideration transferred $ 315,280,000        
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) | a 18        
Cash consideration transferred $ 174,912,000        
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        
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