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
Mar. 31, 2021	Mar. 31, 2020
Related Party Transaction [Line Items]
Reimbursement revenue	$ 288.8	$ 290.6
Hess
Related Party Transaction [Line Items]
Total	18.8	49.3
Hess \| Produced Water Trucking and Disposal Costs
Related Party Transaction [Line Items]
Reimbursement revenue	9.4	16.6
Hess \| Electricity Fees
Related Party Transaction [Line Items]
Reimbursement revenue	9.3	9.5
Hess \| Rail Transportation Costs
Related Party Transaction [Line Items]
Reimbursement revenue	$ 0.1	$ 23.2

Amount, including tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value-added and excise.

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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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+ Details