v3.26.1
EARNINGS PER SHARE (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
 3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Numerator for basic and diluted EPS:    
Net income (loss) $ (3,166) $ 4,634
Less: Net income attributable to Subsidiary Series A Preferred Units (1,930) (3,592)
Less: Net income attributable to Series A Preferred Stock (3,113) (3,918)
Add: Net loss attributable to noncontrolling interest 2,914 989
Net loss attributable to Summit Midstream Corporation $ (5,295) $ (1,887)
Denominator for basic and diluted EPS:    
Weighted-average number of shares outstanding – basic (in shares) 12,329 11,767
Effect of assumed conversion and elimination of noncontrolling interest and net income (in shares) 0 0
Weighted-average number of shares outstanding – diluted (in shares) 12,329 11,767
Net loss per share:    
Common stock – basic (in dollars per share) $ (0.43) $ (0.16)
Common stock – diluted (in dollars per share) (0.43) (0.16)
Common Class B    
Net loss per share:    
Common stock – basic (in dollars per share) 0 0
Common stock – diluted (in dollars per share) $ 0 $ 0
Nonvested anti-dilutive restricted shares excluded from the calculation of diluted EPS and Class B Common Stock (in shares) 6,524 6,535
Restricted Stock    
Net loss per share:    
Nonvested anti-dilutive restricted shares excluded from the calculation of diluted EPS and Class B Common Stock (in shares) 236 462
Common Units    
Denominator for basic and diluted EPS:    
Effect of nonvested restricted stock units (in shares) 0 0