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Derivative Instruments - Schedule of Outstanding Commodity Derivative Instruments (Detail) $ in Thousands | 12 Months Ended
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Dec. 31, 2020 USD ($) MMBTU $ / bbl bbl
Derivative [Line Items] |
Fair value assets (liability) | $ (94,091)
Crude oil | 2021 Fixed Price Swaps | NYMEX WTI |
Derivative [Line Items] |
Total notional amount of oil barrels (in Bbls) | bbl | 9,748,000
Average swap price (in dollars per barrel / dollars per btu) | $ / bbl | 42.09
Fair value assets (liability) | $ (59,262)
Crude oil | 2022 Fixed Price Swaps | NYMEX WTI |
Derivative [Line Items] |
Total notional amount of oil barrels (in Bbls) | bbl | 7,245,000
Average swap price (in dollars per barrel / dollars per btu) | $ / bbl | 42.66
Fair value assets (liability) | $ (27,759)
Crude oil | 2023 Fixed Price Swaps | NYMEX WTI |
Derivative [Line Items] |
Total notional amount of oil barrels (in Bbls) | bbl | 5,265,000
Average swap price (in dollars per barrel / dollars per btu) | $ / bbl | 43.57
Fair value assets (liability) | $ (10,054)
Crude oil | 2024 Fixed-price Swaps | NYMEX WTI |
Derivative [Line Items] |
Total notional amount of oil barrels (in Bbls) | bbl | 434,000
Average swap price (in dollars per barrel / dollars per btu) | $ / bbl | 43.68
Fair value assets (liability) | $ (613)
Natural gas | 2021 Fixed Price Swaps | NYMEX HH |
Derivative [Line Items] |
Total notional amount of natural gas (in MMBtu) | MMBTU | 14,600,000
Average swap price (in dollars per barrel / dollars per btu) | $ / bbl | 2.84
Fair value assets (liability) | $ 2,785
Natural gas | 2022 Fixed Price Swaps | NYMEX HH |
Derivative [Line Items] |
Total notional amount of natural gas (in MMBtu) | MMBTU | 5,430,000
Average swap price (in dollars per barrel / dollars per btu) | $ / bbl | 2.82
Fair value assets (liability) | $ 812

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- Definition Fair value of the assets less the liabilities of a derivative or group of derivatives. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=121572278&loc=d3e13433-108611 + Details
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