Quarterly report pursuant to Section 13 or 15(d)

Derivative Instruments and Hedging Activities - Schedule of Gain or Loss on Derivative Contracts (Details)

v3.21.2
Derivative Instruments and Hedging Activities - Schedule of Gain or Loss on Derivative Contracts (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Derivative Instruments, Gain (Loss) [Line Items]        
(Gain) loss on derivative contracts $ 107,169 $ 27,038 $ 512,155 $ (97,966)
Not Designated as Hedging Instrument        
Derivative Instruments, Gain (Loss) [Line Items]        
(Gain) loss on derivative contracts 107,169 27,038 512,155 (97,966)
Not Designated as Hedging Instrument | (Gain) loss on contingent consideration arrangements        
Derivative Instruments, Gain (Loss) [Line Items]        
(Gain) loss on derivative contracts (3,297) 715 (680) (855)
Not Designated as Hedging Instrument | September 2020 Warrants liability        
Derivative Instruments, Gain (Loss) [Line Items]        
(Gain) loss on derivative contracts 0 0 55,390 0
Not Designated as Hedging Instrument | Commodity - Oil        
Derivative Instruments, Gain (Loss) [Line Items]        
(Gain) loss on derivative contracts 67,198 16,606 393,792 (118,348)
Not Designated as Hedging Instrument | Commodity - Natural gas        
Derivative Instruments, Gain (Loss) [Line Items]        
(Gain) loss on derivative contracts 33,026 7,296 48,539 18,819
Not Designated as Hedging Instrument | Commodity - Natural gas liquids        
Derivative Instruments, Gain (Loss) [Line Items]        
(Gain) loss on derivative contracts $ 10,242 $ 2,421 $ 15,114 $ 2,418