v3.26.1
DEBT - Schedule of Debt (Details) - USD ($)
$ in Thousands
Mar. 31, 2026
Dec. 31, 2025
Line of Credit Facility [Line Items]    
Less: unamortized debt discount, premium and debt issuance costs  $ (15,236) $ (9,428)
Total debt, net of unamortized debt discount, premium and debt issuance costs 1,265,764 1,045,570
Less: current portion of long-term debt (850) (21,223)
Total long-term debt 1,264,914 1,024,347
Asset Backed Lending Facility | Line of Credit    
Line of Credit Facility [Line Items]    
Amended and Restated ABL Facility: Summit Holdings’ asset based credit facility due July 2029 116,000 113,000
New Permian Transmission Facility    
Line of Credit Facility [Line Items]    
Legacy Permian Transmission Term Loan: Summit Permian Transmission’s variable rate senior secured term loan due January 2028 340,000 0
Permian Transmission Term Loan | Line of Credit    
Line of Credit Facility [Line Items]    
Legacy Permian Transmission Term Loan: Summit Permian Transmission’s variable rate senior secured term loan due January 2028 0 116,998
2029 Secured Notes | Secured Debt    
Line of Credit Facility [Line Items]    
2029 Secured Notes: 8.625% senior secured second lien notes due October 2029 $ 825,000 $ 825,000
Stated interest rate (as a percent) 8.625%