EQUITY COMPENSATION (Details) $ in Millions	6 Months Ended
Jun. 30, 2025 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)	600,000
Time Based Restricted Stock Units \| SMLP LTIP
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted units (in shares)	129,637
Grant date fair value \| $	$ 4.7
Vesting period (in years)	3 years
Performance Units \| SMLP LTIP
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted units (in shares)	90,081
Grant date fair value \| $	$ 4.4
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
Issued units (in shares)	18,372
Number of directors \| director	6
Restricted Stock \| SMC Long Term Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unvested restricted units granted (in shares)	700,000

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