Leases - Operating Lease Right-of-Use Asset and Lease Liabilities (Details) - USD ($)	Sep. 30, 2024	Mar. 31, 2024
Leases
Operating lease right-of-use assets	$ 175,790,541	$ 191,700,338
Current portion of long-term operating lease liabilities	33,671,870	32,491,122
Long-term operating lease liabilities	142,135,644	159,226,326
Office Leases
Leases
Operating lease right-of-use assets	993,616	1,194,974
Current portion of long-term operating lease liabilities	423,275	448,317
Long-term operating lease liabilities	587,314	763,767
Time Charter-in VLGCs
Leases
Operating lease right-of-use assets	174,796,925	190,505,364
Current portion of long-term operating lease liabilities	33,248,595	32,042,805
Long-term operating lease liabilities	$ 141,548,330	$ 158,462,559