Quarterly report pursuant to Section 13 or 15(d)

Derivative Instruments - Commodity Derivative Positions (Detail)

v3.21.2
Derivative Instruments - Commodity Derivative Positions (Detail)
Jun. 30, 2021
bbl
$ / bbl
Crude Oil | Swap | Third Quarter 2021 [Domain]  
Derivative Instruments Related to Oil and Gas Production [Line Items]  
Derivative, Swap Type, Average Fixed Price 45.54
Derivative, Nonmonetary Notional Amount | bbl 815
Crude Oil | Swap | Fourth Quarter 2021 [Domain]  
Derivative Instruments Related to Oil and Gas Production [Line Items]  
Derivative, Swap Type, Average Fixed Price 45.54
Derivative, Nonmonetary Notional Amount | bbl 815
Crude Oil | 2-Way Collars [Domain] | Third Quarter 2021 [Domain]  
Derivative Instruments Related to Oil and Gas Production [Line Items]  
Derivative, Average Floor Price 44.27
Derivative, Average Cap Price 59.21
Derivative, Nonmonetary Notional Amount | bbl 14,130
Crude Oil | 2-Way Collars [Domain] | Fourth Quarter 2021 [Domain]  
Derivative Instruments Related to Oil and Gas Production [Line Items]  
Derivative, Average Floor Price 42.00
Derivative, Average Cap Price 54.92
Derivative, Nonmonetary Notional Amount | bbl 9,783
Crude Oil | 2-Way Collars [Domain] | First Quarter 2022  
Derivative Instruments Related to Oil and Gas Production [Line Items]  
Derivative, Average Floor Price 40.00
Derivative, Average Cap Price 53.49
Derivative, Nonmonetary Notional Amount | bbl 5,417
Crude Oil | 2-Way Collars [Domain] | Second Quarter 2022  
Derivative Instruments Related to Oil and Gas Production [Line Items]  
Derivative, Average Floor Price 40.00
Derivative, Average Cap Price 52.47
Derivative, Nonmonetary Notional Amount | bbl 4,533
Crude Oil | 2-Way Collars [Domain] | Third Quarter 2022  
Derivative Instruments Related to Oil and Gas Production [Line Items]  
Derivative, Average Floor Price 40.00
Derivative, Average Cap Price 52.47
Derivative, Nonmonetary Notional Amount | bbl 4,484
Crude Oil | 2-Way Collars [Domain] | Fourth Quarter 2022  
Derivative Instruments Related to Oil and Gas Production [Line Items]  
Derivative, Average Floor Price 40.00
Derivative, Average Cap Price 52.47
Derivative, Nonmonetary Notional Amount | bbl 4,484
Crude Oil | 2-Way Collars [Domain] | First Quarter 2023  
Derivative Instruments Related to Oil and Gas Production [Line Items]  
Derivative, Average Floor Price 40.00
Derivative, Average Cap Price 50.00
Derivative, Nonmonetary Notional Amount | bbl 2,917
Crude Oil | 2-Way Collars [Domain] | Second Quarter 2023  
Derivative Instruments Related to Oil and Gas Production [Line Items]  
Derivative, Average Floor Price 40.00
Derivative, Average Cap Price 50.00
Derivative, Nonmonetary Notional Amount | bbl 2,885
Crude Oil | CMA Roll Basis Swap [Domain] | Third Quarter 2021 [Domain]  
Derivative Instruments Related to Oil and Gas Production [Line Items]  
Derivative, CMA Roll Basis Swap, Price 0.17
Derivative, Nonmonetary Notional Amount | bbl 17,935
Crude Oil | CMA Roll Basis Swap [Domain] | Fourth Quarter 2021 [Domain]  
Derivative Instruments Related to Oil and Gas Production [Line Items]  
Derivative, CMA Roll Basis Swap, Price 0.17
Derivative, Nonmonetary Notional Amount | bbl 17,935
Crude Oil | CMA Roll Basis Swap [Domain] | First Quarter 2022  
Derivative Instruments Related to Oil and Gas Production [Line Items]  
Derivative, CMA Roll Basis Swap, Price 0.63
Derivative, Nonmonetary Notional Amount | bbl 6,667
Crude Oil | CMA Roll Basis Swap [Domain] | Second Quarter 2022  
Derivative Instruments Related to Oil and Gas Production [Line Items]  
Derivative, CMA Roll Basis Swap, Price 0.63
Derivative, Nonmonetary Notional Amount | bbl 6,593
Natural Gas [Member] | 2-Way Collars [Domain] | Third Quarter 2021 [Domain]  
Derivative Instruments Related to Oil and Gas Production [Line Items]  
Derivative, Average Floor Price 2.607
Derivative, Average Cap Price 3.117
Derivative, Nonmonetary Notional Amount | bbl 9,783
Natural Gas [Member] | 2-Way Collars [Domain] | Fourth Quarter 2021 [Domain]  
Derivative Instruments Related to Oil and Gas Production [Line Items]  
Derivative, Average Floor Price 2.607
Derivative, Average Cap Price 3.117
Derivative, Nonmonetary Notional Amount | bbl 9,783
Natural Gas [Member] | 2-Way Collars [Domain] | Second Quarter 2022  
Derivative Instruments Related to Oil and Gas Production [Line Items]  
Derivative, Average Floor Price 2.500
Derivative, Average Cap Price 3.220
Derivative, Nonmonetary Notional Amount | bbl 13,187
Natural Gas [Member] | 2-Way Collars [Domain] | Third Quarter 2022  
Derivative Instruments Related to Oil and Gas Production [Line Items]  
Derivative, Average Floor Price 2.500
Derivative, Average Cap Price 3.220
Derivative, Nonmonetary Notional Amount | bbl 13,043
Natural Gas [Member] | 2-Way Collars [Domain] | Fourth Quarter 2022  
Derivative Instruments Related to Oil and Gas Production [Line Items]  
Derivative, Average Floor Price 2.500
Derivative, Average Cap Price 3.220
Derivative, Nonmonetary Notional Amount | bbl 13,043
Natural Gas [Member] | 2-Way Collars [Domain] | Second Quarter 2023  
Derivative Instruments Related to Oil and Gas Production [Line Items]  
Derivative, Average Floor Price 2.500
Derivative, Average Cap Price 2.682
Derivative, Nonmonetary Notional Amount | bbl 11,538
Natural Gas [Member] | 2-Way Collars [Domain] | Third Quarter 2023  
Derivative Instruments Related to Oil and Gas Production [Line Items]  
Derivative, Average Floor Price 2.500
Derivative, Average Cap Price 2.682
Derivative, Nonmonetary Notional Amount | bbl 11,413
Natural Gas [Member] | 2-Way Collars [Domain] | Fourth Quarter 2023  
Derivative Instruments Related to Oil and Gas Production [Line Items]  
Derivative, Average Floor Price 2.500
Derivative, Average Cap Price 2.682
Derivative, Nonmonetary Notional Amount | bbl 11,413
Natural Gas [Member] | Sold Put | Third Quarter 2021 [Domain]  
Derivative Instruments Related to Oil and Gas Production [Line Items]  
Derivative, Swap Type, Average Fixed Price 2.000
Derivative, Nonmonetary Notional Amount | bbl 6,522
Natural Gas [Member] | Sold Put | Fourth Quarter 2021 [Domain]  
Derivative Instruments Related to Oil and Gas Production [Line Items]  
Derivative, Swap Type, Average Fixed Price 2.000
Derivative, Nonmonetary Notional Amount | bbl 6,522
Natural Gas Liquids | Swap | Third Quarter 2021 [Domain]  
Derivative Instruments Related to Oil and Gas Production [Line Items]  
Derivative, Swap Type, Average Fixed Price 0.2288
Derivative, Nonmonetary Notional Amount | bbl 35,870
Natural Gas Liquids | Swap | Second Quarter 2022  
Derivative Instruments Related to Oil and Gas Production [Line Items]  
Derivative, Swap Type, Average Fixed Price 0.2500
Derivative, Nonmonetary Notional Amount | bbl 28,022
Natural Gas Liquids | Swap | Third Quarter 2022  
Derivative Instruments Related to Oil and Gas Production [Line Items]  
Derivative, Swap Type, Average Fixed Price 0.2500
Derivative, Nonmonetary Notional Amount | bbl 27,717
Natural Gas Liquids | Swap | Fourth Quarter 2022  
Derivative Instruments Related to Oil and Gas Production [Line Items]  
Derivative, Swap Type, Average Fixed Price 0.2500
Derivative, Nonmonetary Notional Amount | bbl 27,717
Natural Gas Liquids | Swap | Second Quarter 2023  
Derivative Instruments Related to Oil and Gas Production [Line Items]  
Derivative, Swap Type, Average Fixed Price 0.2288
Derivative, Nonmonetary Notional Amount | bbl 98,901