Leases - Summary of Components of Leases Expense (Details) - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2021	Mar. 31, 2020
Leases [Abstract]
Operating lease cost		$ 905	$ 3,223
Finance lease cost:
Amortization of finance lease assets	[1]	8
Interest on lease liabilities	[2]	2
Short-term lease costs		173	102
Total Lease expense		$ 1,088	$ 3,325

[1] Included in amortization costs in the consolidated statements of loss

[2] Included in interest expense in the consolidated statements of loss