XML 43 R32.htm IDEA: XBRL DOCUMENT
v3.24.2.u1

Dividends (Details) | Jun. 30, 2024 $ / shares
--- | ---
Dividends [Abstract] |
Common Stock, Dividends, Annual Rate Per Share | $ 0.80
Common Stock, Dividends, Quarterly Rate Per Share | $ 0.20

X
- Definition Common Stock, Dividends, Annual Rate Per Share + References No definition available. + Details
Name: | sm_CommonStockDividendsAnnualRatePerShare
Namespace Prefix: | sm_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition Common Stock, Dividends, Quarterly Rate Per Share + References No definition available. + Details
Name: | sm_CommonStockDividendsQuarterlyRatePerShare
Namespace Prefix: | sm_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | instant

X
- References No definition available. + Details
Name: | us-gaap_DividendsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration