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Related Party Transactions - Summary of MVC Shortfall Fees Earned (Detail) - Hess - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2021 | Jun. 30, 2020 | Jun. 30, 2021 | Jun. 30, 2020
Related Party Transaction [Line Items] |  |  |  |
Total MVC shortfall fees | $ 18.7 | $ 3.1 | $ 32.1 | $ 4.1
Oil and Gas Gathering Services |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Total MVC shortfall fees | 9.4 | 2.9 | 16.9 | 2.9
Terminaling and Export Services |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Total MVC shortfall fees | 7.7 |  | 12.7 |
Water Gathering and Disposal Services |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Total MVC shortfall fees | $ 1.6 | $ 0.2 | $ 2.5 | $ 1.2

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- Definition Minimum volume commitments shortfall fee payments earned. + References No definition available. + Details
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- Details
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