XML 38 R28.htm IDEA: XBRL DOCUMENT
v3.22.2.2

Disaggregation of oil, gas, and NGL production revenue (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2022 | Sep. 30, 2021 | Sep. 30, 2022 | Sep. 30, 2021
Segment Reporting Information [Line Items] |  |  |  |
Revenue from Contract with Customer, Including Assessed Tax | $ 827,558 | $ 759,813 | $ 2,676,656 | $ 1,745,547
Revenue, Remaining Performance Obligation, Amount | 0 |  | 0 |
Midland Basin |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenue from Contract with Customer, Including Assessed Tax | 545,065 | 597,256 | 1,813,985 | 1,397,306
South Texas |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenue from Contract with Customer, Including Assessed Tax | $ 282,493 | $ 162,557 | $ 862,671 | $ 348,241
Revenue Benchmark | Geographic Concentration Risk |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Relative percentage | 100.00% | 100.00% | 100.00% | 100.00%
Revenue Benchmark | Geographic Concentration Risk | Midland Basin |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Relative percentage | 66.00% | 79.00% | 68.00% | 80.00%
Revenue Benchmark | Geographic Concentration Risk | South Texas |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Relative percentage | 34.00% | 21.00% | 32.00% | 20.00%
Oil production revenue |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenue from Contract with Customer, Including Assessed Tax | $ 525,933 | $ 558,394 | $ 1,800,254 | $ 1,300,539
Oil production revenue | Midland Basin |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenue from Contract with Customer, Including Assessed Tax | 420,838 | 501,071 | 1,449,660 | 1,191,668
Oil production revenue | South Texas |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenue from Contract with Customer, Including Assessed Tax | 105,095 | 57,323 | 350,594 | 108,871
Gas production revenue |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenue from Contract with Customer, Including Assessed Tax | 234,553 | 148,960 | 645,929 | 326,953
Gas production revenue | Midland Basin |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenue from Contract with Customer, Including Assessed Tax | 123,912 | 96,082 | 363,728 | 205,323
Gas production revenue | South Texas |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenue from Contract with Customer, Including Assessed Tax | 110,641 | 52,878 | 282,201 | 121,630
NGL production revenue |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenue from Contract with Customer, Including Assessed Tax | 67,072 | 52,459 | 230,473 | 118,055
NGL production revenue | Midland Basin |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenue from Contract with Customer, Including Assessed Tax | 315 | 103 | 597 | 315
NGL production revenue | South Texas |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenue from Contract with Customer, Including Assessed Tax | $ 66,757 | $ 52,356 | $ 229,876 | $ 117,740

X
- Definition For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 42 -URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e9054-108599 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 18 -URI https://asc.fasb.org/extlink&oid=99393423&loc=d3e6351-108592 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 20 -URI https://asc.fasb.org/extlink&oid=123594938&loc=d3e13531-108611 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 21 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=123594938&loc=d3e13537-108611 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 20 -URI https://asc.fasb.org/extlink&oid=99393423&loc=d3e6404-108592 + Details
Name: | us-gaap_ConcentrationRiskPercentage1
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount, including tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value-added and excise. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 41 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e9038-108599 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI https://asc.fasb.org/extlink&oid=126920106&loc=SL49130545-203045 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 32 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e8933-108599 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 32 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e8933-108599 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 30 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e8906-108599 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e8736-108599 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e8736-108599 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126920106&loc=SL49130543-203045 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 42 -URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e9054-108599 Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 40 -URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e9031-108599 Reference 11: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 924 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 11.L) -URI https://asc.fasb.org/extlink&oid=6472922&loc=d3e499488-122856 + Details
Name: | us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of transaction price allocated to performance obligation that has not been recognized as revenue. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 13 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126920106&loc=SL49130556-203045 + Details
Name: | us-gaap_RevenueRemainingPerformanceObligation
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
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_SegmentReportingInformationLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | srt_StatementGeographicalAxis=sm_MidlandBasinMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementGeographicalAxis=sm_SouthTexasMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ConcentrationRiskByBenchmarkAxis=us-gaap_SalesRevenueNetMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ConcentrationRiskByTypeAxis=us-gaap_GeographicConcentrationRiskMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=sm_OilRevenueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=sm_NaturalGasRevenueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=sm_OilandCondensateRevenueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |