Prepaid Expenses and Other Current Assets - Summary of Prepaids and Other Current Assets (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Prepaid Expense And Other Assets Current [Abstract]
Prepaid inventory	$ 10,055	$ 4,361
Restricted cash	9,344	3,250
Prepaid insurance	765	1,504
Other	4,413	1,996
Prepaid and other current assets	$ 24,577	$ 11,111

Amount of asset related to consideration paid in advance for insurance that provides economic benefits within a future period of one year or the normal operating cycle, if longer.

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Name:	us-gaap_PrepaidInsurance
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant