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Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.

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Amount, before accumulated amortization, of right-of-use asset from finance lease.

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Amount of gain (loss) on sale or disposal of assets, including but not limited to property plant and equipment, intangible assets and equity in securities of subsidiaries or equity method investee.

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Amount of gain (loss) from the difference between the sale price or salvage price and the book value of an asset that was sold or retired, and gain (loss) from the write down of assets from their carrying value to fair value.

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Amount of excess (deficiency) of insurance recovery over the loss incurred from an insured event.

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Amount of interest capitalized during the period.

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Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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The charge against earnings resulting from the aggregate write down of tangible assets from their carrying value to their fair value.

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Property, Plant and Equipment (Details) $ in Thousands	12 Months Ended
Property, Plant and Equipment (Details) $ in Thousands	Mar. 31, 2024 USD ($)	Mar. 31, 2023 USD ($)	Mar. 31, 2022 USD ($)
Property, Plant and Equipment
Gross property, plant and equipment	$ 3,107,976	$ 3,121,564
Accumulated depreciation	(1,011,274)	(898,184)
Net property, plant and equipment	2,096,702	2,223,380
Finance lease, right-of-use asset	100	100
Depreciation expense	198,542	196,129	$ 203,783
Capitalized interest expense	1,561	945	916
(Gain) loss on sales and write-downs of certain assets	40,318	84,509	36,624
Gain on disposal or impairment of assets, net	$ (115,936)	(86,888)	(94,254)
Natural Gas Liquids Terminals
Property, Plant and Equipment
Number of terminals sold	3
Corporate and other
Property, Plant and Equipment
(Gain) loss on sales and write-downs of certain assets	$ (720)	(1,214)	0
Gain on disposal or impairment of assets, net	(700)
Water solutions
Property, Plant and Equipment
(Gain) loss on sales and write-downs of certain assets	38,938	56,644	28,068
Asset impairment charges	35,900	21,800	22,300
Gain on disposal or impairment of assets, net	6,900	26,300
Gain from insurance recovery	(3,900)	(2,100)
Water solutions \| Inactive saltwater disposal facilities
Property, Plant and Equipment
Asset impairment charges			5,800
Crude oil logistics
Property, Plant and Equipment
(Gain) loss on sales and write-downs of certain assets	2,910	18,944	(3,194)
Asset impairment charges		20,000
Gain on disposal or impairment of assets, net	2,900		(5,500)
Crude oil logistics \| Write down of certain crude assets
Property, Plant and Equipment
(Gain) loss on sales and write-downs of certain assets			2,200
Liquids logistics
Property, Plant and Equipment
(Gain) loss on sales and write-downs of certain assets	(810)	10,135	11,750
Asset impairment charges		10,000
Gain on disposal or impairment of assets, net	(800)		$ 11,800
Water treatment facilities and equipment
Property, Plant and Equipment
Gross property, plant and equipment	$ 2,055,565	2,040,792
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
Pipeline and related facilities
Property, Plant and Equipment
Gross property, plant and equipment	$ 266,129	265,253
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
Crude oil tanks and related equipment
Property, Plant and Equipment
Gross property, plant and equipment	$ 226,048	221,881
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
Natural gas liquids terminal and storage assets
Property, Plant and Equipment
Gross property, plant and equipment	$ 167,633	160,939
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
Buildings and leasehold improvements
Property, Plant and Equipment
Gross property, plant and equipment	$ 122,878	130,119
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
Vehicles and railcars (1)
Property, Plant and Equipment
Gross property, plant and equipment	$ 91,715	92,640
Vehicles and railcars (1) \| Minimum
Property, Plant and Equipment
Useful life	3 years
Vehicles and railcars (1) \| Maximum
Property, Plant and Equipment
Useful life	25 years
Land
Property, Plant and Equipment
Gross property, plant and equipment	$ 70,270	89,474
Information technology equipment
Property, Plant and Equipment
Gross property, plant and equipment	$ 33,907	35,884
Information technology equipment \| Minimum
Property, Plant and Equipment
Useful life	3 years
Information technology equipment \| Maximum
Property, Plant and Equipment
Useful life	7 years
Tank bottoms and linefill (2)
Property, Plant and Equipment
Gross property, plant and equipment	$ 28,269	40,001
Other
Property, Plant and Equipment
Gross property, plant and equipment	$ 2,552	10,908
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	$ 43,010	$ 33,673