CONSOLIDATED STATEMENTS OF CHANGES IN PARTNERS' CAPITAL - USD ($) $ in Millions	Total	Prior To Restructuring	After Restructuring	Limited Partner Class A Shares	Limited Partner Common Unitholders Public	Limited Partner Common Unitholders Affiliate	Limited Partner Subordinated Unitholders Affiliate	Limited Partner Prior To Restructuring Common Unitholders Public	Limited Partner Prior To Restructuring Common Unitholders Affiliate	Limited Partner Prior To Restructuring Subordinated Unitholders Affiliate	Limited Partner After Restructuring Class A Shares	General Partner	General Partner Prior To Restructuring	Noncontrolling Interest	Noncontrolling Interest Prior To Restructuring	Noncontrolling Interest After Restructuring	Accumulated Other Comprehensive Income	Accumulated Other Comprehensive Income Prior To Restructuring	Net Parent Investment	Net Parent Investment Prior To Restructuring
Balance, beginning of period at Dec. 31, 2018	$ 1,876.1				$ 357.1	$ 39.5	$ 105.3					$ 14.9		$ 2,194.1			$ 1.2		$ (836.0)
Net income	317.7	$ 325.0						$ 20.8	$ 12.9	$ 33.5			$ 3.4		$ 309.4					$ (55.0)
Equity-based compensation		1.3	$ 0.2					1.3			$ 0.2
Distributions to unitholders		$ (85.4)						$ (26.8)	$ (16.0)	$ (42.6)
Distributions to general partner													$ 3.8							(3.8)
Distributions to noncontrolling interest															200.6					(200.6)
Contributions from noncontrolling interest															$ 76.3					$ (76.3)
Acquisition of Hess Water Services	(225.0)																		(225.0)
Equity exchange related to Restructuring				$ 81.4	$ (352.4)	$ (36.4)	$ (96.2)					$ (14.5)		(569.8)					$ 987.9
Cash consideration related to Restructuring	(601.8)													(601.8)
Recognition of Deferred Tax Asset	49.8			50.0										(0.2)
Other comprehensive income (loss)	(0.8)		$ (7.3)								$ (0.5)					$ (6.8)	(0.8)
Balance, end of period at Dec. 31, 2019	1,332.1			131.1										1,200.6			0.4
Net income	484.9			24.0										460.9
Equity-based compensation	1.5			1.5
Distributions to unitholders	(493.7)			(31.6)										(462.1)
Acquisition of Hess Water Services	1.6													1.6
Other comprehensive income (loss)	(0.4)																$ (0.4)
Balance, end of period at Dec. 31, 2020	1,326.0			125.0										1,201.0
Net income	617.8			46.4										571.4
Equity-based compensation	1.4			1.4
Distributions to unitholders	(529.0)			(49.4)										(479.6)
Recognition of Deferred Tax Asset	89.0			89.0
Sale of shares held by Sponsors				52.4										(52.4)
Class B unit repurchase	(750.0)			(60.4)										(689.6)
Transaction costs	(2.1)			(0.3)										(1.8)
Balance, end of period at Dec. 31, 2021	$ 753.1			$ 204.1										$ 549.0