Vessels - Vessel and Vessel Improvements (Details) - Vessels and Vessel Improvements	6 Months Ended
	Jun. 30, 2020 USD ($)
Movement in Property, Plant and Equipment [Roll Forward]
Vessels and vessel improvements, beginning balance	$ 835,959,084
Purchase of Vessel and vessel improvements	510,029
Scrubbers and BWTS	38,587,819
Depreciation expense	(21,140,013)
Vessels and vessel improvements, ending balance	$ 853,916,919