Leases - Lease Expense (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Lessee, Lease, Description [Line Items]
Sublease Income	$ 8,344	$ 5,607	$ 16,670	$ 6,753
Charter hire expenses
Lessee, Lease, Description [Line Items]
Short-term lease, cost	14,419	3,158	31,558	8,645
Operating lease, expense	6,866	3,012	12,438	6,005
Total charter hire expenses	21,285	6,170	43,996	14,650
General and administrative expenses
Lessee, Lease, Description [Line Items]
Operating lease, expense	$ 212	$ 92	$ 409	$ 276