Leases - Operating Lease Right-of-Use Asset and Lease Liabilities (Details) - USD ($)	Sep. 30, 2023	Mar. 31, 2023
Leases
Operating lease right-of-use assets	$ 207,234,723	$ 158,179,398
Current portion of long-term operating lease liabilities	31,471,560	23,407,555
Long-term operating lease liabilities	175,777,685	134,782,483
Office Leases
Leases
Operating lease right-of-use assets	1,410,623	1,654,498
Current portion of long-term operating lease liabilities	444,385	436,810
Long-term operating lease liabilities	980,760	1,228,328
Time Charter-in VLGCs
Leases
Operating lease right-of-use assets	205,824,100	156,524,900
Current portion of long-term operating lease liabilities	31,027,175	22,970,745
Long-term operating lease liabilities	$ 174,796,925	$ 133,554,155