XML 52 R41.htm IDEA: XBRL DOCUMENT
v3.24.2.u1

Derivative Financial Instruments Gains and Losses (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023
Derivative Instruments, (Gain) Loss [Line Items] |  |  |  |
Net derivative settlement (gain) loss | $ (16,523) | $ (15,636) | $ (29,797) | $ (20,712)
Net derivative (gain) loss | (12,118) | (11,674) | 16,027 | (63,003)
Oil Contracts |  |  |  |
Derivative Instruments, (Gain) Loss [Line Items] |  |  |  |
Net derivative settlement (gain) loss | 1,161 | 472 | (1,364) | 6,698
Net derivative (gain) loss | (1,271) | (17,518) | 35,828 | (46,685)
Gas Contracts |  |  |  |
Derivative Instruments, (Gain) Loss [Line Items] |  |  |  |
Net derivative settlement (gain) loss | (17,684) | (14,550) | (29,904) | (25,852)
Net derivative (gain) loss | (11,505) | 10,560 | (26,333) | (10,218)
NGL Contracts |  |  |  |
Derivative Instruments, (Gain) Loss [Line Items] |  |  |  |
Net derivative settlement (gain) loss | 0 | (1,558) | 1,471 | (1,558)
Net derivative (gain) loss | $ 658 | $ (4,716) | $ 6,532 | $ (6,100)

X
- Definition Realized (gain) or loss recognized in earnings from the settlement of derivative instruments not designated as hedges. + References No definition available. + Details
Name: | sm_DerivativeSettlementGainOrLoss
Namespace Prefix: | sm_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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 Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 815 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4E -Publisher FASB -URI https://asc.fasb.org/1943274/2147480434/815-10-50-4E + Details
Name: | us-gaap_DerivativeInstrumentsGainLossLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Aggregate net gain (loss) on all derivative instruments recognized in earnings during the period, before tax effects. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4A -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480434/815-10-50-4A + Details
Name: | us-gaap_GainLossOnDerivativeInstrumentsNetPretax
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=sm_OilContractsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=sm_GasContractsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=sm_NGLContractsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |