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Derivative Financial Instruments (Details) bbl in Thousands, BTU in Billions | 2 Months Ended | 12 Months Ended
--- | --- | ---
Feb. 24, 2022 BTU $ / Barrels $ / EnergyContent bbl | Dec. 31, 2021 BTU $ / EnergyContent $ / Barrels bbl
NYMEX Oil Swap Contract First Quarter, Year 1 [Member] |  |
Derivative Financial Instruments |  |
Derivative, Nonmonetary Notional Amount, Volume | bbl |  | 2,009
Derivative, Swap Type, Average Fixed Price |  | 44.81
NYMEX Oil Swap Contract Second Quarter, Year 1 [Member] |  |
Derivative Financial Instruments |  |
Derivative, Nonmonetary Notional Amount, Volume | bbl |  | 1,953
Derivative, Swap Type, Average Fixed Price |  | 44.75
NYMEX Oil Swap Contract Third Quarter, Year 1 [Member] |  |
Derivative Financial Instruments |  |
Derivative, Nonmonetary Notional Amount, Volume | bbl |  | 1,938
Derivative, Swap Type, Average Fixed Price |  | 44.63
NYMEX Oil Swap Contract Fourth Quarter, Year 1 [Member] |  |
Derivative Financial Instruments |  |
Derivative, Nonmonetary Notional Amount, Volume | bbl |  | 1,923
Derivative, Swap Type, Average Fixed Price |  | 44.58
NYMEX Oil Swap Contract, Year 2 [Member] |  |
Derivative Financial Instruments |  |
Derivative, Nonmonetary Notional Amount, Volume | bbl |  | 1,190
Derivative, Swap Type, Average Fixed Price |  | 45.20
NYMEX Oil Collar Contract First Quarter, Year 1 [Member] |  |
Derivative Financial Instruments |  |
Derivative, Nonmonetary Notional Amount, Volume | bbl |  | 896
Derivative, Floor Price |  | 53.54
Derivative, Ceiling Price |  | 63.73
NYMEX Oil Collar Contract Second Quarter, Year 1 [Member] |  |
Derivative Financial Instruments |  |
Derivative, Nonmonetary Notional Amount, Volume | bbl |  | 894
Derivative, Floor Price |  | 56.94
Derivative, Ceiling Price |  | 64.93
NYMEX Oil Collar Contract Third Quarter, Year 1 [Member] |  |
Derivative Financial Instruments |  |
Derivative, Nonmonetary Notional Amount, Volume | bbl |  | 868
Derivative, Floor Price |  | 61.88
Derivative, Ceiling Price |  | 66.54
NYMEX Oil Collar Contract Fourth Quarter, Year 1 [Member] |  |
Derivative Financial Instruments |  |
Derivative, Nonmonetary Notional Amount, Volume | bbl |  | 584
Derivative, Floor Price |  | 57.91
Derivative, Ceiling Price |  | 61.61
NYMEX Oil Collar Contract, Year 2 [Member] |  |
Derivative Financial Instruments |  |
Derivative, Nonmonetary Notional Amount, Volume | bbl |  | 858
Derivative, Floor Price |  | 60.00
Derivative, Ceiling Price |  | 73.09
NYMEX Oil Roll Differential Swap Contract First Quarter, Year 1 [Member] |  |
Derivative Financial Instruments |  |
Derivative, Nonmonetary Notional Amount, Volume | bbl |  | 2,907
Derivative, Oil Roll Differential Swap, Weighted-Average Contract Price |  | 0.11
NYMEX Oil Roll Differential Swap Contract Second Quarter, Year 1 [Member] |  |
Derivative Financial Instruments |  |
Derivative, Nonmonetary Notional Amount, Volume | bbl |  | 2,841
Derivative, Oil Roll Differential Swap, Weighted-Average Contract Price |  | 0.10
NYMEX Oil Roll Differential Swap Contract Third Quarter, Year 1 [Member] |  |
Derivative Financial Instruments |  |
Derivative, Nonmonetary Notional Amount, Volume | bbl |  | 2,782
Derivative, Oil Roll Differential Swap, Weighted-Average Contract Price |  | 0.11
NYMEX Oil Roll Differential Swap Contract Fourth Quarter, Year 1 [Member] |  |
Derivative Financial Instruments |  |
Derivative, Nonmonetary Notional Amount, Volume | bbl |  | 2,748
Derivative, Oil Roll Differential Swap, Weighted-Average Contract Price |  | 0.10
NYMEX Oil Roll Differential Swap Contract, Year 2 [Member] |  |
Derivative Financial Instruments |  |
Derivative, Nonmonetary Notional Amount, Volume | bbl |  | 1,832
Derivative, Oil Roll Differential Swap, Weighted-Average Contract Price |  | 0.39
WTI Midland NYMEX WTI [Member] | Oil Basis Swap Contract First Quarter, Year 1 [Member] |  |
Derivative Financial Instruments |  |
Derivative, Nonmonetary Notional Amount, Volume | bbl |  | 2,222
Derivative, Oil Basis Swap, Weighted-Average Contract Price |  | 1.15
WTI Midland NYMEX WTI [Member] | Oil Basis Swap Contract Second Quarter, Year 1 [Member] |  |
Derivative Financial Instruments |  |
Derivative, Nonmonetary Notional Amount, Volume | bbl |  | 2,374
Derivative, Oil Basis Swap, Weighted-Average Contract Price |  | 1.15
WTI Midland NYMEX WTI [Member] | Oil Basis Swap Contract Third Quarter, Year 1 [Member] |  |
Derivative Financial Instruments |  |
Derivative, Nonmonetary Notional Amount, Volume | bbl |  | 2,442
Derivative, Oil Basis Swap, Weighted-Average Contract Price |  | 1.15
WTI Midland NYMEX WTI [Member] | Oil Basis Swap Contract Fourth Quarter, Year 1 [Member] |  |
Derivative Financial Instruments |  |
Derivative, Nonmonetary Notional Amount, Volume | bbl |  | 2,462
Derivative, Oil Basis Swap, Weighted-Average Contract Price |  | 1.15
WTI Midland NYMEX WTI [Member] | Oil Basis Swap Contract, Year 2 [Member] |  |
Derivative Financial Instruments |  |
Derivative, Nonmonetary Notional Amount, Volume | bbl |  | 0
Derivative, Oil Basis Swap, Weighted-Average Contract Price |  | 0
NYMEX WTI ICE Brent [Member] | Oil Basis Swap Contract First Quarter, Year 1 [Member] |  |
Derivative Financial Instruments |  |
Derivative, Nonmonetary Notional Amount, Volume | bbl |  | 900
Derivative, Oil Basis Swap, Weighted-Average Contract Price |  | (7.78)
NYMEX WTI ICE Brent [Member] | Oil Basis Swap Contract Second Quarter, Year 1 [Member] |  |
Derivative Financial Instruments |  |
Derivative, Nonmonetary Notional Amount, Volume | bbl |  | 910
Derivative, Oil Basis Swap, Weighted-Average Contract Price |  | (7.78)
NYMEX WTI ICE Brent [Member] | Oil Basis Swap Contract Third Quarter, Year 1 [Member] |  |
Derivative Financial Instruments |  |
Derivative, Nonmonetary Notional Amount, Volume | bbl |  | 920
Derivative, Oil Basis Swap, Weighted-Average Contract Price |  | (7.78)
NYMEX WTI ICE Brent [Member] | Oil Basis Swap Contract Fourth Quarter, Year 1 [Member] |  |
Derivative Financial Instruments |  |
Derivative, Nonmonetary Notional Amount, Volume | bbl |  | 920
Derivative, Oil Basis Swap, Weighted-Average Contract Price |  | (7.78)
NYMEX WTI ICE Brent [Member] | Oil Basis Swap Contract, Year 2 [Member] |  |
Derivative Financial Instruments |  |
Derivative, Nonmonetary Notional Amount, Volume | bbl |  | 0
Derivative, Oil Basis Swap, Weighted-Average Contract Price |  | 0
WTI Houston MEH NYMEX WTI [Member] | Oil Basis Swap Contract First Quarter, Year 1 [Member] |  |
Derivative Financial Instruments |  |
Derivative, Nonmonetary Notional Amount, Volume | bbl |  | 271
Derivative, Oil Basis Swap, Weighted-Average Contract Price |  | 1.25
WTI Houston MEH NYMEX WTI [Member] | Oil Basis Swap Contract Second Quarter, Year 1 [Member] |  |
Derivative Financial Instruments |  |
Derivative, Nonmonetary Notional Amount, Volume | bbl |  | 349
Derivative, Oil Basis Swap, Weighted-Average Contract Price |  | 1.25
WTI Houston MEH NYMEX WTI [Member] | Oil Basis Swap Contract Third Quarter, Year 1 [Member] |  |
Derivative Financial Instruments |  |
Derivative, Nonmonetary Notional Amount, Volume | bbl |  | 335
Derivative, Oil Basis Swap, Weighted-Average Contract Price |  | 1.25
WTI Houston MEH NYMEX WTI [Member] | Oil Basis Swap Contract Fourth Quarter, Year 1 [Member] |  |
Derivative Financial Instruments |  |
Derivative, Nonmonetary Notional Amount, Volume | bbl |  | 374
Derivative, Oil Basis Swap, Weighted-Average Contract Price |  | 1.25
WTI Houston MEH NYMEX WTI [Member] | Oil Basis Swap Contract, Year 2 [Member] |  |
Derivative Financial Instruments |  |
Derivative, Nonmonetary Notional Amount, Volume | bbl |  | 0
Derivative, Oil Basis Swap, Weighted-Average Contract Price |  | 0
IF HSC [Member] | Gas Swaps Contract First Quarter, Year 1 [Member] |  |
Derivative Financial Instruments |  |
Derivative, Swap Type, Average Fixed Price | $ / EnergyContent |  | 2.85
Derivative, Nonmonetary Notional Amount, Energy Measure | BTU |  | 8,208
IF HSC [Member] | Gas Swaps Contract Second Quarter, Year 1 [Member] |  |
Derivative Financial Instruments |  |
Derivative, Swap Type, Average Fixed Price | $ / EnergyContent |  | 2.34
Derivative, Nonmonetary Notional Amount, Energy Measure | BTU |  | 6,808
IF HSC [Member] | Gas Swaps Contract Third Quarter, Year 1 [Member] |  |
Derivative Financial Instruments |  |
Derivative, Swap Type, Average Fixed Price | $ / EnergyContent |  | 2.37
Derivative, Nonmonetary Notional Amount, Energy Measure | BTU |  | 6,934
IF HSC [Member] | Gas Swaps Contract Fourth Quarter, Year 1 [Member] |  |
Derivative Financial Instruments |  |
Derivative, Swap Type, Average Fixed Price | $ / EnergyContent |  | 2.47
Derivative, Nonmonetary Notional Amount, Energy Measure | BTU |  | 6,982
IF HSC [Member] | Gas Swaps Contract, Year 2 [Member] |  |
Derivative Financial Instruments |  |
Derivative, Swap Type, Average Fixed Price | $ / EnergyContent |  | 0
Derivative, Nonmonetary Notional Amount, Energy Measure | BTU |  | 0
IF HSC [Member] | Gas Collar Contract, First Quarter, Year 1 [Member] |  |
Derivative Financial Instruments |  |
Derivative, Floor Price | $ / EnergyContent |  | 0
Derivative, Ceiling Price | $ / EnergyContent |  | 0
Derivative, Nonmonetary Notional Amount, Energy Measure | BTU |  | 0
IF HSC [Member] | Gas Collar Contract, Second Quarter, Year 1 [Member] |  |
Derivative Financial Instruments |  |
Derivative, Floor Price | $ / EnergyContent |  | 0
Derivative, Ceiling Price | $ / EnergyContent |  | 0
Derivative, Nonmonetary Notional Amount, Energy Measure | BTU |  | 0
IF HSC [Member] | Gas Collar Contract, Third Quarter, Year 1 [Member] |  |
Derivative Financial Instruments |  |
Derivative, Floor Price | $ / EnergyContent |  | 0
Derivative, Ceiling Price | $ / EnergyContent |  | 0
Derivative, Nonmonetary Notional Amount, Energy Measure | BTU |  | 0
IF HSC [Member] | Gas Collar Contract, Fourth Quarter, Year 1 [Member] |  |
Derivative Financial Instruments |  |
Derivative, Floor Price | $ / EnergyContent |  | 0
Derivative, Ceiling Price | $ / EnergyContent |  | 0
Derivative, Nonmonetary Notional Amount, Energy Measure | BTU |  | 0
IF HSC [Member] | Gas Collar Contract, Year 2 [Member] |  |
Derivative Financial Instruments |  |
Derivative, Floor Price | $ / EnergyContent |  | 3.38
Derivative, Ceiling Price | $ / EnergyContent |  | 7.75
Derivative, Nonmonetary Notional Amount, Energy Measure | BTU |  | 900
IF WAHA [Member] | Gas Swaps Contract First Quarter, Year 1 [Member] |  |
Derivative Financial Instruments |  |
Derivative, Swap Type, Average Fixed Price | $ / EnergyContent |  | 2.63
Derivative, Nonmonetary Notional Amount, Energy Measure | BTU |  | 4,856
IF WAHA [Member] | Gas Swaps Contract Second Quarter, Year 1 [Member] |  |
Derivative Financial Instruments |  |
Derivative, Swap Type, Average Fixed Price | $ / EnergyContent |  | 2.09
Derivative, Nonmonetary Notional Amount, Energy Measure | BTU |  | 3,079
IF WAHA [Member] | Gas Swaps Contract Third Quarter, Year 1 [Member] |  |
Derivative Financial Instruments |  |
Derivative, Swap Type, Average Fixed Price | $ / EnergyContent |  | 2.19
Derivative, Nonmonetary Notional Amount, Energy Measure | BTU |  | 3,085
IF WAHA [Member] | Gas Swaps Contract Fourth Quarter, Year 1 [Member] |  |
Derivative Financial Instruments |  |
Derivative, Swap Type, Average Fixed Price | $ / EnergyContent |  | 2.22
Derivative, Nonmonetary Notional Amount, Energy Measure | BTU |  | 3,067
IF WAHA [Member] | Gas Swaps Contract, Year 2 [Member] |  |
Derivative Financial Instruments |  |
Derivative, Swap Type, Average Fixed Price | $ / EnergyContent |  | 0
Derivative, Nonmonetary Notional Amount, Energy Measure | BTU |  | 0
IF Tenn TX Z0 [Member] | Gas Swaps Contract First Quarter, Year 1 [Member] |  |
Derivative Financial Instruments |  |
Derivative, Swap Type, Average Fixed Price | $ / EnergyContent |  | 3.22
Derivative, Nonmonetary Notional Amount, Energy Measure | BTU |  | 513
IF Tenn TX Z0 [Member] | Gas Swaps Contract Second Quarter, Year 1 [Member] |  |
Derivative Financial Instruments |  |
Derivative, Swap Type, Average Fixed Price | $ / EnergyContent |  | 0
Derivative, Nonmonetary Notional Amount, Energy Measure | BTU |  | 0
IF Tenn TX Z0 [Member] | Gas Swaps Contract Third Quarter, Year 1 [Member] |  |
Derivative Financial Instruments |  |
Derivative, Swap Type, Average Fixed Price | $ / EnergyContent |  | 0
Derivative, Nonmonetary Notional Amount, Energy Measure | BTU |  | 0
IF Tenn TX Z0 [Member] | Gas Swaps Contract Fourth Quarter, Year 1 [Member] |  |
Derivative Financial Instruments |  |
Derivative, Swap Type, Average Fixed Price | $ / EnergyContent |  | 0
Derivative, Nonmonetary Notional Amount, Energy Measure | BTU |  | 0
IF Tenn TX Z0 [Member] | Gas Swaps Contract, Year 2 [Member] |  |
Derivative Financial Instruments |  |
Derivative, Swap Type, Average Fixed Price | $ / EnergyContent |  | 0
Derivative, Nonmonetary Notional Amount, Energy Measure | BTU |  | 0
NYMEX HH [Member] | Gas Collar Contract, First Quarter, Year 1 [Member] |  |
Derivative Financial Instruments |  |
Derivative, Floor Price | $ / EnergyContent |  | 4.00
Derivative, Ceiling Price | $ / EnergyContent |  | 8.02
Derivative, Nonmonetary Notional Amount, Energy Measure | BTU |  | 859
NYMEX HH [Member] | Gas Collar Contract, Second Quarter, Year 1 [Member] |  |
Derivative Financial Instruments |  |
Derivative, Floor Price | $ / EnergyContent |  | 3.00
Derivative, Ceiling Price | $ / EnergyContent |  | 4.48
Derivative, Nonmonetary Notional Amount, Energy Measure | BTU |  | 1,270
NYMEX HH [Member] | Gas Collar Contract, Third Quarter, Year 1 [Member] |  |
Derivative Financial Instruments |  |
Derivative, Floor Price | $ / EnergyContent |  | 3.25
Derivative, Ceiling Price | $ / EnergyContent |  | 5.45
Derivative, Nonmonetary Notional Amount, Energy Measure | BTU |  | 760
NYMEX HH [Member] | Gas Collar Contract, Fourth Quarter, Year 1 [Member] |  |
Derivative Financial Instruments |  |
Derivative, Floor Price | $ / EnergyContent |  | 3.50
Derivative, Ceiling Price | $ / EnergyContent |  | 4.44
Derivative, Nonmonetary Notional Amount, Energy Measure | BTU |  | 1,908
NYMEX HH [Member] | Gas Collar Contract, Year 2 [Member] |  |
Derivative Financial Instruments |  |
Derivative, Floor Price | $ / EnergyContent |  | 3.00
Derivative, Ceiling Price | $ / EnergyContent |  | 8.76
Derivative, Nonmonetary Notional Amount, Energy Measure | BTU |  | 2,601
IF Tenn TX Z0 NYMEX HH [Member] | Gas Basis Swap Contract, First Quarter, Year 1 [Member] |  |
Derivative Financial Instruments |  |
Derivative, Nonmonetary Notional Amount, Energy Measure | BTU |  | 859
Derivative, Gas Basis Swap Type, Weighted-Average Contract Price | $ / EnergyContent |  | 0.12
IF Tenn TX Z0 NYMEX HH [Member] | Gas Basis Swap Contract, Second Quarter, Year 1 [Member] |  |
Derivative Financial Instruments |  |
Derivative, Nonmonetary Notional Amount, Energy Measure | BTU |  | 1,270
Derivative, Gas Basis Swap Type, Weighted-Average Contract Price | $ / EnergyContent |  | (0.14)
IF Tenn TX Z0 NYMEX HH [Member] | Gas Basis Swap Contract, Third Quarter, Year 1 [Member] |  |
Derivative Financial Instruments |  |
Derivative, Nonmonetary Notional Amount, Energy Measure | BTU |  | 760
Derivative, Gas Basis Swap Type, Weighted-Average Contract Price | $ / EnergyContent |  | (0.14)
IF Tenn TX Z0 NYMEX HH [Member] | Gas Basis Swap Contract, Fourth Quarter, Year 1 [Member] |  |
Derivative Financial Instruments |  |
Derivative, Nonmonetary Notional Amount, Energy Measure | BTU |  | 0
Derivative, Gas Basis Swap Type, Weighted-Average Contract Price | $ / EnergyContent |  | 0
IF Tenn TX Z0 NYMEX HH [Member] | Gas Basis Swap Contract, Year 2 [Member] |  |
Derivative Financial Instruments |  |
Derivative, Nonmonetary Notional Amount, Energy Measure | BTU |  | 0
Derivative, Gas Basis Swap Type, Weighted-Average Contract Price | $ / EnergyContent |  | 0
IF WAHA NYMEX HH [Member] | Gas Basis Swap Contract, First Quarter, Year 1 [Member] |  |
Derivative Financial Instruments |  |
Derivative, Nonmonetary Notional Amount, Energy Measure | BTU |  | 0
Derivative, Gas Basis Swap Type, Weighted-Average Contract Price | $ / EnergyContent |  | 0
IF WAHA NYMEX HH [Member] | Gas Basis Swap Contract, Second Quarter, Year 1 [Member] |  |
Derivative Financial Instruments |  |
Derivative, Nonmonetary Notional Amount, Energy Measure | BTU |  | 0
Derivative, Gas Basis Swap Type, Weighted-Average Contract Price | $ / EnergyContent |  | 0
IF WAHA NYMEX HH [Member] | Gas Basis Swap Contract, Third Quarter, Year 1 [Member] |  |
Derivative Financial Instruments |  |
Derivative, Nonmonetary Notional Amount, Energy Measure | BTU |  | 0
Derivative, Gas Basis Swap Type, Weighted-Average Contract Price | $ / EnergyContent |  | 0
IF WAHA NYMEX HH [Member] | Gas Basis Swap Contract, Fourth Quarter, Year 1 [Member] |  |
Derivative Financial Instruments |  |
Derivative, Nonmonetary Notional Amount, Energy Measure | BTU |  | 0
Derivative, Gas Basis Swap Type, Weighted-Average Contract Price | $ / EnergyContent |  | 0
IF WAHA NYMEX HH [Member] | Gas Basis Swap Contract, Year 2 [Member] |  |
Derivative Financial Instruments |  |
Derivative, Nonmonetary Notional Amount, Energy Measure | BTU |  | 1,849
Derivative, Gas Basis Swap Type, Weighted-Average Contract Price | $ / EnergyContent |  | (0.48)
OPIS Propane Mont Belvieu Non-TET [Member] | NGL Swaps Contract First Quarter, Year 1 [Member] |  |
Derivative Financial Instruments |  |
Derivative, Nonmonetary Notional Amount, Volume | bbl |  | 351
Derivative, Swap Type, Average Fixed Price |  | 28.67
OPIS Propane Mont Belvieu Non-TET [Member] | NGL Swaps Contract Second Quarter, Year 1 [Member] |  |
Derivative Financial Instruments |  |
Derivative, Nonmonetary Notional Amount, Volume | bbl |  | 116
Derivative, Swap Type, Average Fixed Price |  | 33.03
OPIS Propane Mont Belvieu Non-TET [Member] | NGL Swaps Contract Third Quarter, Year 1 [Member] |  |
Derivative Financial Instruments |  |
Derivative, Nonmonetary Notional Amount, Volume | bbl |  | 55
Derivative, Swap Type, Average Fixed Price |  | 29.44
OPIS Propane Mont Belvieu Non-TET [Member] | NGL Swaps Contract Fourth Quarter, Year 1 [Member] |  |
Derivative Financial Instruments |  |
Derivative, Nonmonetary Notional Amount, Volume | bbl |  | 58
Derivative, Swap Type, Average Fixed Price |  | 29.63
OPIS Propane Mont Belvieu Non-TET [Member] | NGL Swaps Contract, Year 2 [Member] |  |
Derivative Financial Instruments |  |
Derivative, Nonmonetary Notional Amount, Volume | bbl |  | 0
Derivative, Swap Type, Average Fixed Price |  | 0
OPIS Propane Mont Belvieu Non-TET [Member] | NGL Collar Contract, First Quarter, Year 1 [Member] |  |
Derivative Financial Instruments |  |
Derivative, Nonmonetary Notional Amount, Volume | bbl |  | 180
Derivative, Floor Price |  | 28.68
Derivative, Ceiling Price |  | 38.25
OPIS Propane Mont Belvieu Non-TET [Member] | NGL Collar Contract, Second Quarter, Year 1 [Member] |  |
Derivative Financial Instruments |  |
Derivative, Nonmonetary Notional Amount, Volume | bbl |  | 253
Derivative, Floor Price |  | 25.94
Derivative, Ceiling Price |  | 31.69
OPIS Propane Mont Belvieu Non-TET [Member] | NGL Collar Contract, Third Quarter, Year 1 [Member] |  |
Derivative Financial Instruments |  |
Derivative, Nonmonetary Notional Amount, Volume | bbl |  | 164
Derivative, Floor Price |  | 24.09
Derivative, Ceiling Price |  | 27.84
OPIS Propane Mont Belvieu Non-TET [Member] | NGL Collar Contract, Fourth Quarter, Year 1 [Member] |  |
Derivative Financial Instruments |  |
Derivative, Nonmonetary Notional Amount, Volume | bbl |  | 173
Derivative, Floor Price |  | 24.11
Derivative, Ceiling Price |  | 28.13
OPIS Propane Mont Belvieu Non-TET [Member] | NGL Collar Contract, Year 2 [Member] |  |
Derivative Financial Instruments |  |
Derivative, Nonmonetary Notional Amount, Volume | bbl |  | 0
Derivative, Floor Price |  | 0
Derivative, Ceiling Price |  | 0
Subsequent Event | NYMEX Oil Swap Contract, Year 1 [Member] |  |
Derivative Financial Instruments |  |
Derivative, Nonmonetary Notional Amount, Volume | bbl | 500 |
Derivative, Swap Type, Average Fixed Price | 83.91 |
Subsequent Event | NYMEX Oil Collar Contract, Year 1 [Member] |  |
Derivative Financial Instruments |  |
Derivative, Nonmonetary Notional Amount, Volume | bbl | 800 |
Derivative, Floor Price | 71.55 |
Derivative, Ceiling Price | 90.50 |
Subsequent Event | NYMEX Oil Roll Differential Swap Contract, Years 1 and 2 [Member] |  |
Derivative Financial Instruments |  |
Derivative, Nonmonetary Notional Amount, Volume | bbl | 3,600 |
Derivative, Oil Roll Differential Swap, Weighted-Average Contract Price | 0.68 |
Subsequent Event | WTI Midland NYMEX WTI [Member] | Oil Basis Swap Contract, Year 2 [Member] |  |
Derivative Financial Instruments |  |
Derivative, Nonmonetary Notional Amount, Volume | bbl | 900 |
Derivative, Oil Basis Swap, Weighted-Average Contract Price | 0.60 |
Subsequent Event | WTI Houston MEH NYMEX WTI [Member] | Oil Basis Swap Contract, Year 2 [Member] |  |
Derivative Financial Instruments |  |
Derivative, Nonmonetary Notional Amount, Volume | bbl | 600 |
Derivative, Oil Basis Swap, Weighted-Average Contract Price | 1.24 |
Subsequent Event | IF WAHA [Member] | Gas Swaps Contract, Year 2 [Member] |  |
Derivative Financial Instruments |  |
Derivative, Swap Type, Average Fixed Price | $ / EnergyContent | 3.98 |
Derivative, Nonmonetary Notional Amount, Energy Measure | BTU | 900 |
Subsequent Event | NYMEX HH [Member] | Gas Collar Contract, Year 2 [Member] |  |
Derivative Financial Instruments |  |
Derivative, Floor Price | $ / EnergyContent | 3.32 |
Derivative, Ceiling Price | $ / EnergyContent | 4.76 |
Derivative, Nonmonetary Notional Amount, Energy Measure | BTU | 8,975 |
Subsequent Event | NYMEX HH [Member] | Gas Swaps Contract, Year 1 [Member] |  |
Derivative Financial Instruments |  |
Derivative, Swap Type, Average Fixed Price | $ / EnergyContent | 4.07 |
Derivative, Nonmonetary Notional Amount, Energy Measure | BTU | 5,557 |
Subsequent Event | IF WAHA NYMEX HH [Member] | Gas Basis Swap Contract, Years 2 and 3 [Member] |  |
Derivative Financial Instruments |  |
Derivative, Nonmonetary Notional Amount, Energy Measure | BTU | 36,608 |
Derivative, Gas Basis Swap Type, Weighted-Average Contract Price | $ / EnergyContent | (0.85) |
Subsequent Event | OPIS Propane Mont Belvieu Non-TET [Member] | NGL Swaps Contract, Year 1 [Member] |  |
Derivative Financial Instruments |  |
Derivative, Nonmonetary Notional Amount, Volume | bbl | 300 |
Derivative, Swap Type, Average Fixed Price | 45.88 |

X
- Definition Derivative, Gas Basis Swap Type, Weighted-Average Contract Price + References No definition available. + Details
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Namespace Prefix: | sm_
Data Type: | srt-types:perUnitItemType
Balance Type: | na
Period Type: | instant

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- Definition Derivative, Oil Basis Swap Type, Weighted-Average Contract Price + References No definition available. + Details
Name: | sm_DerivativeOilBasisSwapTypeWeightedAverageContractPrice
Namespace Prefix: | sm_
Data Type: | srt-types:perUnitItemType
Balance Type: | na
Period Type: | instant

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- Definition Derivative, Oil Roll Differential Swap Type, Weighted-Average Contract Price + References No definition available. + Details
Name: | sm_DerivativeOilRollDifferentialSwapTypeWeightedAverageContractPrice
Namespace Prefix: | sm_
Data Type: | srt-types:perUnitItemType
Balance Type: | na
Period Type: | instant

X
- Definition The cap rate on a price risk derivative such as a cap or collar. A payment or receipt is triggered if the market rate exceeds the cap rate on the contract. + References No definition available. + Details
Name: | us-gaap_DerivativeCapPrice
Namespace Prefix: | us-gaap_
Data Type: | srt-types:perUnitItemType
Balance Type: | na
Period Type: | instant

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- Definition Floor rate on a price risk derivative such as a floor or a collar. A payment or receipt is triggered if the market rate falls below the floor rate on the contract. + References No definition available. + Details
Name: | us-gaap_DerivativeFloorPrice
Namespace Prefix: | us-gaap_
Data Type: | srt-types:perUnitItemType
Balance Type: | na
Period Type: | instant

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_DerivativeLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Nominal energy measure used to calculate payments on a derivative instrument. + References No definition available. + Details
Name: | us-gaap_DerivativeNonmonetaryNotionalAmountEnergyMeasure
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:energyItemType
Balance Type: | na
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