Significant Accounting Policies - Investments in Unconsolidated Entities (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Mar. 31, 2023
Investments in Unconsolidated Entities
Carrying value	$ 20,305	$ 21,090
Cumulative earnings from unconsolidated entities	14,700
Cumulative distributions received from unconsolidated entities	$ 19,800
Water Services and Land Company No. 1 | Water solutions
Investments in Unconsolidated Entities
Ownership interest	50.00%
Carrying value	$ 15,228	15,036
Water Services and Land Company No. 2 | Water solutions
Investments in Unconsolidated Entities
Ownership interest	10.00%
Carrying value	$ 2,926	3,511
Water Services and Land Company No. 3 | Water solutions
Investments in Unconsolidated Entities
Ownership interest	50.00%
Carrying value	$ 2,026	2,071
Natural Gas Liquids Terminal Company | Liquids logistics
Investments in Unconsolidated Entities
Ownership interest	50.00%
Carrying value	$ 125	164
Aircraft Company | Related Party | Corporate and other
Investments in Unconsolidated Entities
Ownership interest	50.00%
Carrying value	$ 0	$ 308
Gain from excess distributions received from equity method investment	$ 600