Debt - Schedule of Debt (Details) - USD ($)	Jun. 30, 2019	Dec. 31, 2018
Debt Instrument [Line Items]
Long-term debt	$ 340,391,329
Current portion of long-term debt	(29,679,587)	$ (29,176,230)
Total long-term debt	302,741,735	301,583,347
Norwegian Bond Debt Facility
Debt Instrument [Line Items]
Long-term debt	192,000,000
Total long-term debt	179,151,901	182,469,155
New Ultraco Debt Facility
Debt Instrument [Line Items]
Long-term debt	148,391,329
Total long-term debt	123,589,834	0
New First Lien Facility
Debt Instrument [Line Items]
Total long-term debt	0	48,189,307
Ultraco Debt Facility
Debt Instrument [Line Items]
Total long-term debt	0	70,924,885
Senior Subordinated Notes | Norwegian Bond Debt Facility
Debt Instrument [Line Items]
Long-term debt	192,000,000	196,000,000
Debt discount and debt issuance costs	(4,848,099)	(5,530,845)
Current portion of long-term debt	(8,000,000)	(8,000,000)
Long-term Debt	179,151,901	182,469,155
Term Loan | New Ultraco Debt Facility
Debt Instrument [Line Items]
Long-term debt	148,391,329	0
Debt discount and debt issuance costs	(3,121,908)	0
Current portion of long-term debt	(21,679,587)	0
Long-term Debt	123,589,834	0
Term Loan | Ultraco Debt Facility
Debt Instrument [Line Items]
Long-term debt	0	82,600,000
Debt discount and debt issuance costs	0	(1,248,885)
Current portion of long-term debt	0	(10,426,230)
Long-term Debt	0	70,924,885
Line of Credit | New First Lien Facility
Debt Instrument [Line Items]
Long-term debt	0	60,000,000
Debt discount and debt issuance costs	0	(1,060,693)
Current portion of long-term debt	0	(10,750,000)
Long-term Debt	$ 0	$ 48,189,307