Related Party Transactions (Tables)

12 Months Ended

Dec. 31, 2019

Related Party Transactions [Abstract]

Revenue from Contracts with Customers on Disaggregated Basis

Revenue from contracts with customers on a disaggregated basis was as follows:

	Year Ended December 31,
	2019		2018		2017
(in millions)
Oil and gas gathering services	$	345.6	$	324.9	$	271.6
Water gathering and disposal services		77.3		50.3		13.9
Processing and storage services		294.7		251.4		227.3
Terminaling and export services		130.0		85.4		66.7
Total revenues from contracts with customers	$	847.6	$	712.0	$	579.5
Other income		0.7		0.7		-
Total revenues	$	848.3	$	712.7	$	579.5

Summary of Classification of Charges between Operating and Maintenance Expenses and General and Administrative Expenses

	Year Ended December 31,
	2019		2018		2017
(in millions)
Operating and maintenance expenses	$	53.1	$	50.2	$	57.3
General and administrative expenses		15.5		7.8		6.7
Total	$	68.6	$	58.0	$	64.0