Debt - Schedule of Interest Expense (Details) - USD ($)	3 Months Ended				6 Months Ended
	Jun. 30, 2019	Mar. 31, 2019	Jun. 30, 2018	Mar. 31, 2018	Jun. 30, 2019	Jun. 30, 2018
Debt Instrument [Line Items]
Line of credit facility, interest	$ 0		$ 859,229		$ 293,545	$ 1,676,193
Amortization of debt discount and debt issuance costs	625,213		480,257		1,128,929	970,352
Commitment fees on revolving credit facilities	212,481		30,333		313,896	59,667
Total Interest Expense	6,733,156	$ 13,495,159	6,387,011	$ 6,387,011	13,495,159	12,648,080
New Ultraco Debt Facility
Debt Instrument [Line Items]
Debt, interest expense	1,882,295		0		3,340,865	0
Norwegian Bond Debt Facility
Debt Instrument [Line Items]
Debt, interest expense	4,013,167		4,079,166		8,055,667	8,204,167
Ultraco Debt Facility
Debt Instrument [Line Items]
Debt, interest expense	$ 0		$ 938,026		$ 362,257	$ 1,737,701