Other Matters - Sale of Certain Saltwater Disposal Assets (Details) - USD ($) $ in Thousands				12 Months Ended
	Dec. 08, 2023	Jul. 25, 2023	Mar. 31, 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
Loan receivable from sale of saltwater disposal wells			$ 8,592	$ 4,776	8,592
Midland Assets
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations
Total consideration			13,600		13,600
Cash received from sale of saltwater disposal wells			5,000
Loan receivable from sale of saltwater disposal wells			8,600		$ 8,600
Loss on disposal			$ 18,800
Anticline Assets
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations
Total consideration		$ 8,700
Cash received from sale of saltwater disposal wells		900
Loss on disposal		21,200
Consideration allocated to termination of contract		$ 7,800
Permian Assets
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations
Total consideration	$ 12,000
Loss on disposal	$ 1,300