Property, Plant and Equipment (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2022	Dec. 31, 2021	Mar. 31, 2022
Property, Plant and Equipment
Gross property, plant and equipment	$ 3,401,273		$ 3,401,273		$ 3,349,396
Accumulated depreciation	(1,000,765)		(1,000,765)		(887,006)
Net property, plant and equipment	2,400,508		2,400,508		2,462,390
Finance lease, right-of-use asset	100		100
Depreciation expense	50,005	$ 48,404	145,862	$ 156,855
Capitalized interest expense	250	$ 149	740	$ 805
Gain (loss) on sales and write-downs of certain assets	8,614		17,065
Water solutions
Property, Plant and Equipment
Gain (loss) on sales and write-downs of certain assets	9,467		20,137
Crude oil logistics
Property, Plant and Equipment
Gain (loss) on sales and write-downs of certain assets	(213)		(1,909)
Liquids logistics
Property, Plant and Equipment
Gain (loss) on sales and write-downs of certain assets	54		51
Corporate and Other
Property, Plant and Equipment
Gain (loss) on sales and write-downs of certain assets	(694)		(1,214)
Natural gas liquids terminal and storage assets
Property, Plant and Equipment
Gross property, plant and equipment	176,894		$ 176,894		173,199
Natural gas liquids terminal and storage assets | Minimum
Property, Plant and Equipment
Useful life			2 years
Natural gas liquids terminal and storage assets | Maximum
Property, Plant and Equipment
Useful life			30 years
Pipeline and related facilities
Property, Plant and Equipment
Gross property, plant and equipment	265,642		$ 265,642		265,643
Pipeline and related facilities | Minimum
Property, Plant and Equipment
Useful life			30 years
Pipeline and related facilities | Maximum
Property, Plant and Equipment
Useful life			40 years
Vehicles and railcars
Property, Plant and Equipment
Gross property, plant and equipment	92,851		$ 92,851		93,126
Vehicles and railcars | Minimum
Property, Plant and Equipment
Useful life			3 years
Vehicles and railcars | Maximum
Property, Plant and Equipment
Useful life			25 years
Water treatment facilities and equipment
Property, Plant and Equipment
Gross property, plant and equipment	2,111,554		$ 2,111,554		2,040,687
Water treatment facilities and equipment | Minimum
Property, Plant and Equipment
Useful life			3 years
Water treatment facilities and equipment | Maximum
Property, Plant and Equipment
Useful life			30 years
Crude oil tanks and related equipment
Property, Plant and Equipment
Gross property, plant and equipment	237,310		$ 237,310		236,805
Crude oil tanks and related equipment | Minimum
Property, Plant and Equipment
Useful life			2 years
Crude oil tanks and related equipment | Maximum
Property, Plant and Equipment
Useful life			30 years
Barges and towboats
Property, Plant and Equipment
Gross property, plant and equipment	146,023		$ 146,023		138,778
Barges and towboats | Minimum
Property, Plant and Equipment
Useful life			5 years
Barges and towboats | Maximum
Property, Plant and Equipment
Useful life			30 years
Information technology equipment
Property, Plant and Equipment
Gross property, plant and equipment	38,111		$ 38,111		48,664
Information technology equipment | Minimum
Property, Plant and Equipment
Useful life			3 years
Information technology equipment | Maximum
Property, Plant and Equipment
Useful life			7 years
Buildings and leasehold improvements
Property, Plant and Equipment
Gross property, plant and equipment	149,342		$ 149,342		151,071
Buildings and leasehold improvements | Minimum
Property, Plant and Equipment
Useful life			3 years
Buildings and leasehold improvements | Maximum
Property, Plant and Equipment
Useful life			40 years
Land
Property, Plant and Equipment
Gross property, plant and equipment	92,840		$ 92,840		100,038
Tank bottoms and line fill
Property, Plant and Equipment
Gross property, plant and equipment	39,794		39,794		30,443
Other
Property, Plant and Equipment
Gross property, plant and equipment	12,138		$ 12,138		15,252
Other | Minimum
Property, Plant and Equipment
Useful life			3 years
Other | Maximum
Property, Plant and Equipment
Useful life			20 years
Construction in progress
Property, Plant and Equipment
Gross property, plant and equipment	$ 38,774		$ 38,774		$ 55,690