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)
a in Thousands
3 Months Ended 9 Months Ended
Jul. 01, 2019
USD ($)
well
a
Sep. 30, 2020
USD ($)
Sep. 30, 2019
USD ($)
Sep. 30, 2020
USD ($)
Sep. 30, 2019
USD ($)
Asset Acquisition [Line Items]          
Impairment expense   $ 199,489,000 $ 0 $ 962,205,000 $ 0
Anticipated future period over which excluded costs will become subject to depletion       5 years  
Leases expired   700,000 800,000 $ 2,700,000 2,500,000
Independent Transactions          
Asset Acquisition [Line Items]          
Consideration transferred   $ 5,500,000 $ 9,900,000 $ 12,900,000 $ 25,000,000.0
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        
Value of shares transferred 11,708,000        
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