Related Party Transactions (Tables)

12 Months Ended

Dec. 31, 2023

Related Party Transactions [Abstract]

Summary of Revenues From Contracts With Customers Including Affiliated Services and Third-party Services on Disaggregated Basis

Revenues from contracts with customers, including affiliated services and third-party services, on a disaggregated basis were as follows:

	Year Ended December 31,
	2023		2022		2021
(in millions)
Affiliate services
Oil and gas gathering services	$	633.8	$	600.8	$	540.4
Processing and storage services		496.0		470.8		435.7
Terminaling and export services		114.4		124.5		137.5
Water gathering and disposal services		93.9		77.1		90.2
Total affiliate services	$	1,338.1	$	1,273.2	$	1,203.8
Third-party services		8.0		-		-
Total revenues from contracts with customers	$	1,346.1	$	1,273.2	$	1,203.8
Other income		2.5		2.0		-
Total revenues	$	1,348.6	$	1,275.2	$	1,203.8

Summary of MVC Shortfall Fees Earned

The following table presents MVC shortfall fees earned during each period:

	Year Ended December 31,
	2023			2022		2021
(in millions)
Oil and gas gathering services	$	8.2		$	93.0	$	43.0
Processing and storage services		(0.3	)		34.9		4.4
Terminaling and export services		3.2			32.0		32.8
Water gathering disposal services		-			0.4		6.8
Total	$	11.1		$	160.3	$	87.0

Summary of Third-party Pass-through Costs for Which Revenues in Amount Equal to Costs are Recognized and Classification of Charges between Operating and Maintenance Expenses and General and Administrative Expenses

The following table presents third-party pass-through costs for which we recognize revenues in an amount equal to the costs. These third-party costs are included in Operating and maintenance expenses in the accompanying consolidated statements of operations.

	Year Ended December 31,
	2023			2022		2021
(in millions)
Electricity and other related fees	$	47.8		$	44.8	$	50.3
Produced water trucking and disposal costs		38.5			33.1		37.0
Rail transportation costs		(3.4	)		3.5		0.1
Total	$	82.9		$	81.4	$	87.4

For the years ended December 31, 2023, 2022 and 2021, we had the following charges from Hess. The classification of these charges between operating and maintenance expenses and general and administrative expenses is based on the fundamental nature of the services being performed for our operations.

	Year Ended December 31,
	2023		2022		2021
(in millions)
Operating and maintenance expenses	$	79.7	$	71.2	$	63.6
General and administrative expenses		17.5		15.9		15.4
Total	$	97.2	$	87.1	$	79.0

Summary of Activity Related to Agreements with Related Party

For the years ended December 31, 2023, 2022 and 2021, we had the following activity related to our agreements with LM4:

	Year Ended December 31,
	2023		2022		2021
(in millions)
Processing fee incurred	$	24.0	$	20.5	$	27.7
Earnings from equity investments	$	7.7	$	5.3	$	10.6
Distributions received from equity investments	$	11.4	$	13.0	$	17.4