Related Party Transactions (Tables)

6 Months Ended

Jun. 30, 2024

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 are as follows:

	Three Months Ended June 30,				Six Months Ended June 30,
	2024		2023		2024		2023
(in millions)
Affiliate services
Oil and gas gathering services	$	165.3	$	152.7	$	324.6	$	297.3
Processing and storage services		135.2		121.6		270.6		235.4
Terminaling and export services		29.6		26.2		57.0		51.4
Water gathering and disposal services		28.4		21.4		55.7		41.2
Total affiliate services	$	358.5	$	321.9	$	707.9	$	625.3
Third-party services		6.1		1.6		11.4		2.5
Total revenues from contracts with customers	$	364.6	$	323.5	$	719.3	$	627.8
Other income		0.9		0.5		1.8		1.2
Total revenues	$	365.5	$	324.0	$	721.1	$	629.0

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 pass-through revenues are included in Affiliate services and the related pass-through costs are included in Operating and maintenance expenses in the accompanying unaudited consolidated statements of operations.

	Three Months Ended June 30,					Six Months Ended June 30,
	2024		2023			2024		2023
(in millions)
Electricity and other related fees	$	13.6	$	11.5		$	27.0	$	22.5
Produced water trucking and disposal costs		9.5		8.7			19.3		17.0
Rail transportation costs		-		(1.6	)		-		(3.4	)
Total	$	23.1	$	18.6		$	46.3	$	36.1

For the three and six months ended June 30, 2024 and 2023, 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.

	Three Months Ended June 30,				Six Months Ended June 30,
	2024		2023		2024		2023
(in millions)
Operating and maintenance expenses	$	20.5	$	19.5	$	39.6	$	37.4
General and administrative expenses		3.5		3.8		7.0		7.7
Total	$	24.0	$	23.3	$	46.6	$	45.1

Summary of Activity Related to Agreements with Related Party

For the three and six months ended June 30, 2024 and 2023, we had the following activity related to our agreements with LM4:

	Three Months Ended June 30,				Six Months Ended June 30,
	2024		2023		2024		2023
(in millions)
Processing fee incurred	$	8.6	$	5.8	$	15.4	$	10.8
Earnings from equity investments		3.7		1.7		6.4		3.3
Distributions received from equity investments		3.9		1.8		7.4		4.4