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Liquidity and Capital Resources (Details) - USD ($) $ in Thousands		12 Months Ended
	Mar. 10, 2022	Dec. 31, 2021	Dec. 31, 2020
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Net loss		$ 88,602	$ 52,697
Net cash used in operating activities		72,587	48,111
Accumulated deficit		299,548	210,946
Cash		71,791	66,417
Research and development tax credit receivable		15,695
Accounts receivable		1,464	331
Related Party Transaction [Line Items]
Proceeds from related party promissory notes		$ 110,000	$ 0
2022 Note | Chief Executive Officer | Subsequent event
Related Party Transaction [Line Items]
Proceeds from related party promissory notes	$ 25,000

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