Quarterly report pursuant to Section 13 or 15(d)

Derivative Instruments - Commodity Derivative Positions (Detail)

v3.21.1
Derivative Instruments - Commodity Derivative Positions (Detail)
Mar. 31, 2021
bbl
$ / bbl
Crude Oil | Swap | Second Quarter 2021 [Domain]  
Derivative Instruments Related to Oil and Gas Production [Line Items]  
Derivative, Swap Type, Average Fixed Price 55.89
Derivative, Nonmonetary Notional Amount | bbl 3,297
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] | Second Quarter 2021 [Domain]  
Derivative Instruments Related to Oil and Gas Production [Line Items]  
Derivative, Average Floor Price 43.82
Derivative, Average Cap Price 54.67
Derivative, Nonmonetary Notional Amount | bbl 12,088
Crude Oil | 2-Way Collars [Domain] | Third Quarter 2021 [Domain]  
Derivative Instruments Related to Oil and Gas Production [Line Items]  
Derivative, Average Floor Price 41.80
Derivative, Average Cap Price 56.09
Derivative, Nonmonetary Notional Amount | bbl 10,870
Crude Oil | 2-Way Collars [Domain] | Fourth Quarter 2021 [Domain]  
Derivative Instruments Related to Oil and Gas Production [Line Items]  
Derivative, Average Floor Price 40.40
Derivative, Average Cap Price 52.10
Derivative, Nonmonetary Notional Amount | bbl 8,152
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 2,855
Crude Oil | Sold Put | Second Quarter 2021 [Domain]  
Derivative Instruments Related to Oil and Gas Production [Line Items]  
Derivative, Swap Type, Average Fixed Price 29.83
Derivative, Nonmonetary Notional Amount | bbl 4,945
Crude Oil | Sold Put | Third Quarter 2021 [Domain]  
Derivative Instruments Related to Oil and Gas Production [Line Items]  
Derivative, Swap Type, Average Fixed Price 35.14
Derivative, Nonmonetary Notional Amount | bbl 5,707
Crude Oil | Sold Put | Fourth Quarter 2021 [Domain]  
Derivative Instruments Related to Oil and Gas Production [Line Items]  
Derivative, Swap Type, Average Fixed Price 35.14
Derivative, Nonmonetary Notional Amount | bbl 5,707
Crude Oil | CMA Roll Basis Swap [Domain] | Second 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 18,132
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
Natural Gas [Member] | 2-Way Collars [Domain] | Second 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 9,890
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] | Sold Put | Second 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 6,593
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 | Second Quarter 2021 [Domain]  
Derivative Instruments Related to Oil and Gas Production [Line Items]  
Derivative, Swap Type, Average Fixed Price 0.2263
Derivative, Nonmonetary Notional Amount | bbl 36,264
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