Annual report pursuant to Section 13 and 15(d)

Subsequent Events (Unaudited) (Details)

v3.20.4
Subsequent Events (Unaudited) (Details)
shares in Thousands, $ in Thousands
 1 Months Ended 2 Months Ended 12 Months Ended
Feb. 28, 2021
bbl
Jan. 31, 2021
USD ($)
bbl
Feb. 28, 2021
shares
Dec. 31, 2022
$ / Boe
bbl
Dec. 31, 2021
$ / Boe
bbl
Dec. 31, 2020
USD ($)
Dec. 31, 2019
USD ($)
Dec. 31, 2018
USD ($)
Sep. 30, 2020
USD ($)
Subsequent Event [Line Items]                  
Cash paid for commodity derivative settlements, net | $           $ (98,870) $ 3,789 $ 27,272  
Warrant liability                  
Subsequent Event [Line Items]                  
Derivative liability | $           $ 79,400     $ 23,900
Short call contracts (WTI) | Forecast | Commodity - Oil | Designated as Hedging Instrument                  
Subsequent Event [Line Items]                  
Total volume (Bbls)       1,825,000 0        
Weighted average price (in dollars per share) | $ / Boe       52.18 0        
Collar contracts (WTI) | Forecast | Commodity - Oil | Designated as Hedging Instrument                  
Subsequent Event [Line Items]                  
Total volume (Bbls)       1,355,000 920,000        
Collar contracts (WTI) | Forecast | Call option | Commodity - Oil | Short | Designated as Hedging Instrument                  
Subsequent Event [Line Items]                  
Weighted average price (in dollars per share) | $ / Boe       60.00 60.18        
Collar contracts (WTI) | Forecast | Put option | Commodity - Oil | Long | Designated as Hedging Instrument                  
Subsequent Event [Line Items]                  
Weighted average price (in dollars per share) | $ / Boe       45.00 47.50        
Collar contracts (two-way collars) | Forecast | Commodity - Oil | Designated as Hedging Instrument                  
Subsequent Event [Line Items]                  
Total volume (Bbls)       1,800,000          
Collar contracts (two-way collars) | Forecast | Call option | Commodity - Oil | Short | Designated as Hedging Instrument                  
Subsequent Event [Line Items]                  
Weighted average price (in dollars per share) | $ / Boe       3.88          
Collar contracts (two-way collars) | Forecast | Put option | Commodity - Oil | Long | Designated as Hedging Instrument                  
Subsequent Event [Line Items]                  
Weighted average price (in dollars per share) | $ / Boe       2.78          
Subsequent Event                  
Subsequent Event [Line Items]                  
Shares issued | shares     6,400            
Outstanding warrants received | shares     8,400            
Subsequent Event | Call option | Commodity - Oil | Short | Swap contracts | Designated as Hedging Instrument                  
Subsequent Event [Line Items]                  
Terminated volume (Bbls) 920,000                
Subsequent Event | Oil contracts (Brent ICE) | Commodity - Oil | Swap contracts | Designated as Hedging Instrument                  
Subsequent Event [Line Items]                  
Terminated volume (Bbls)   184,000              
Cash paid for commodity derivative settlements, net | $   $ 3,100              
Locked-in loss | $   $ 2,900              
Subsequent Event | Offsetting oil contracts (Brent ICE) | Commodity - Oil | Swap contracts | Designated as Hedging Instrument                  
Subsequent Event [Line Items]                  
Terminated volume (Bbls)   159,300