Description of Business And Basis Of Presentation - Additional Information (Detail) - USD ($) $ in Thousands		3 Months Ended
	May 11, 2022	Mar. 31, 2022	Mar. 31, 2021	May 12, 2022	Dec. 31, 2021
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Accumulated deficit		$ (697,787)			$ (642,542)
Net loss		(55,245)	$ (39,466)
Net cash flows operating activities		(47,760)	$ (35,268)
Cash and cash equivalents		$ 37,277			$ 85,836
Subsequent Event [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Cash and cash equivalents				$ 36,100
Customer advances				6,100
Subsequent Event [Member] | Chief Executive Officer [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Other Secured Financings	$ 10,000			$ 10,000
Debt Instrument, Maturity Date	Nov. 11, 2022