Revenues (Details) - USD ($)	3 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
Revenues	$ 62,950,738	$ 73,165,324
Net pool revenues - related party
Revenues	55,162,246	66,929,421
Time charter revenues
Revenues	5,346,139	5,086,004
Other revenues, net
Revenues	$ 2,442,353	$ 1,149,899