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Related Party Transactions - Summary of Third-party Pass-through Costs for Which Revenues in Amount Equal to Costs are Recognized (Detail) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2020 | Sep. 30, 2019 | Sep. 30, 2020 | Sep. 30, 2019
Related Party Transaction [Line Items] |  |  |  |  |  |
Reimbursement revenue | $ 264.7 | $ 214.9 | [1] | $ 825.1 | $ 594.5 | [1]
Hess |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |
Total | 29.3 | 34.8 |  | 124.6 | 87.5 |
Hess | Rail Transportation Costs |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |
Reimbursement revenue | 5.0 | 12.0 |  | 49.3 | 24.1 |
Hess | Produced Water Trucking and Disposal Costs |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |
Reimbursement revenue | 14.0 | 14.5 |  | 45.6 | 40.2 |
Hess | Electricity Fees |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |
Reimbursement revenue | $ 10.3 | $ 8.3 |  | $ 29.7 | $ 23.2 |
[1] | The financial information presented in this report has been retrospectively adjusted for the acquisition of Hess Infrastructure Partners LP.

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