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Fair Value Measurements - Narrative (Details) - USD ($)
$ in Thousands
Dec. 31, 2023
Dec. 31, 2022
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Fair Value $ 6,267,476 $ 6,153,284
Carrying value of total debt 5,795,113 5,678,965
Senior notes    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Carrying value of total debt 4,500,000 5,600,000
Senior notes | Significant other observable inputs (Level 2)    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Fair Value 4,900,000 6,100,000
Note payable | Note payable to EQM    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Fair Value 91,063 95,667
Carrying value of total debt 88,483 94,320
Note payable | Note payable to EQM | Significant unobservable inputs (Level 3)    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Fair Value $ 91,000 $ 96,000