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Other Matters - Acquisition and Disposition of Certain Saltwater Disposal Assets (Details) - USD ($) $ in Thousands			3 Months Ended			12 Months Ended
	Mar. 06, 2024	Jun. 21, 2023	Mar. 31, 2025	Dec. 31, 2024	Jun. 30, 2024	Mar. 31, 2026	Mar. 31, 2025	Mar. 31, 2024	Aug. 01, 2024
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations
Total consideration			$ 14,400			$ 6,700	$ 14,400
Cash received from sale of saltwater disposal wells						$ 72,672	$ 42,819	$ 53,246
(Gain) loss on disposal or impairment of assets, net			$ (5,500)
Loss on disposal, statement of income or comprehensive income [extensible enumeration]			Gain/loss on disposal or impairment of assets, net
Non-cash consideration received	$ 3,000			$ 8,100	$ 8,100
Parent Co
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations
Parent ownership interest	51.00%		90.00%				90.00%		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
(Gain) loss on disposal or impairment of assets, net		$ 5,400
Loss on disposal, statement of income or comprehensive income [extensible enumeration]		Gain/loss on disposal or impairment of assets, net