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Derivative Instruments - Narrative (Detail)
$ in Thousands
1 Months Ended 2 Months Ended 11 Months Ended 12 Months Ended
Nov. 19, 2020
$ / bbl
MMBbls
bbl
Dec. 31, 2020
USD ($)
$ / bbl
Jun. 30, 2020
USD ($)
Nov. 19, 2020
USD ($)
$ / bbl
Nov. 19, 2020
USD ($)
$ / bbl
Dec. 31, 2021
USD ($)
$ / bbl
bbl
Dec. 31, 2019
USD ($)
Derivative [Line Items]              
Payments for derivative modifications | $   $ 0     $ 0 $ 220,889 $ 0
Minimum | Minimum Hedge Volume Commitment, Year One              
Derivative [Line Items]              
Total notional amount of oil barrels (in Bbls) | MMBbls 10,303            
Minimum target price (in usd per bbl) 43.04     43.04 43.04    
Minimum | Minimum Hedge Volume Commitment, Year Two              
Derivative [Line Items]              
Total notional amount of oil barrels (in Bbls) | bbl 6,761            
Minimum target price (in usd per bbl) 43.94     43.94 43.94    
Minimum | Minimum Hedge Volume Commitment, Year Three              
Derivative [Line Items]              
Total notional amount of oil barrels (in Bbls) | bbl 4,945            
Minimum target price (in usd per bbl) 44.79     44.79 44.79    
2022 Fixed price swaps | Crude oil | NYMEX WTI              
Derivative [Line Items]              
Weighted average prices (in dollars per barrel / dollars per btu)   40.89       70.00  
Total notional amount of oil barrels (in Bbls) | bbl           6,935,000  
2023 Fixed price swaps | Crude oil | NYMEX WTI              
Derivative [Line Items]              
Weighted average prices (in dollars per barrel / dollars per btu)   43.68       50.00  
Total notional amount of oil barrels (in Bbls) | bbl           5,110,000  
Three-way Costless Collar Contracts | Crude oil              
Derivative [Line Items]              
Derivative settlements | $     $ 25,300 $ 37,400