EQUITY COMPENSATION (Details) $ in Millions		6 Months Ended
May 07, 2026 shares	Jun. 30, 2026 USD ($) director shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based payment award, target payout (as a percent)		1
SMC Long Term Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Units remaining available (in shares)		700,000
Phantom Share Units And Associated Distribution Equivalent Rights \| SMLP LTIP
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Units granted (in shares)		177,854
Grant date fair value \| $		$ 5.4
Vesting period (in years)		3 years
Performance Units \| SMLP LTIP
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Units granted (in shares)		120,283
Grant date fair value \| $		$ 4.6
Vesting period (in years)		3 years
Common Stock \| SMLP LTIP
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Grant date fair value \| $		$ 0.7
Common units issued (in shares)		22,398
Number of directors \| director		6
Common Stock \| SMC Long Term Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Awards granted (in shares)	424,000
Restricted Stock \| SMC Long Term Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unvested shares (in shares)		700,000

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