Debt - Interest Rates (Details)	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
New Ultraco Debt Facility
Debt Instrument [Line Items]
Commitment fee percentage	40.00%	40.00%
Norwegian Bond Debt Facility
Debt Instrument [Line Items]
Interest rate		8.25%
Super Senior Facility
Debt Instrument [Line Items]
Commitment fee percentage		40.00%
Super Senior Facility | Senior Subordinated Notes
Debt Instrument [Line Items]
Interest rate		2.58%
Minimum | Convertible Bond Debt
Debt Instrument [Line Items]
Interest rate	5.00%	500.00%
Minimum | New Ultraco Debt Facility
Debt Instrument [Line Items]
Interest rate	2.35%	2.62%
Minimum | Super Senior Facility | Senior Subordinated Notes
Debt Instrument [Line Items]
Interest rate		2.24%
Weighted Average | Convertible Bond Debt
Debt Instrument [Line Items]
Interest rate	5.49%	10.14%
Weighted Average | New Ultraco Debt Facility
Debt Instrument [Line Items]
Interest rate		3.22%
Weighted Average | New Ultraco Debt Facility | Senior Subordinated Notes
Debt Instrument [Line Items]
Interest rate	3.05%
Weighted Average | Norwegian Bond Debt Facility
Debt Instrument [Line Items]
Interest rate		8.84%
Maximum | New Ultraco Debt Facility
Debt Instrument [Line Items]
Interest rate	2.98%	2.72%