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Other Matters - Acquisition and Disposition of Certain Saltwater Disposal Assets (Details) - USD ($) $ in Thousands			12 Months Ended
	Mar. 06, 2024	Jun. 21, 2023	Mar. 31, 2024	Mar. 31, 2023	Mar. 31, 2022
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations
Cash received from sale of saltwater disposal wells			$ 53,246	$ 45,978	$ 18,500
Non-cash consideration received	$ 3,000
Parent
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations
Ownership percentage in assets	51.00%
Eagle Ford Assets
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations
Total consideration		$ 3,000
Cash received from sale of saltwater disposal wells		50
Loan receivable from sale of saltwater disposal wells		2,950
Loss on disposal		$ 5,400