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Common Stock, Preferred Stock and Warrants - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Thousands		1 Months Ended	3 Months Ended			6 Months Ended
	Aug. 06, 2020	Aug. 31, 2019	Jun. 30, 2022	Mar. 31, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021
Class Of Stock [Line Items]
Common stock, shares outstanding			126,439,073			126,439,073		122,945,000
Issuance of common stock and preferred stock (in shares)		18,525,000
Common stock, par value		$ 0.001	$ 0.001			$ 0.001		$ 0.001
Cash Settlement of warrants				$ 8,500
Number of common stock warrants exercised				1,882,600
Change in fair value of warrant liability			$ 0		$ (2,097)	$ (1,801)	$ 23,455
Warrants | Other Income, Net
Class Of Stock [Line Items]
Change in fair value of warrant liability						1,800
Bain Life Sciences
Class Of Stock [Line Items]
Net cash proceeds received from issuance or sale of equity		$ 35,000
Offering
Class Of Stock [Line Items]
Net cash proceeds received from issuance or sale of equity		$ 65,600
2017 ATM Agreement
Class Of Stock [Line Items]
Remaining proceeds from common stock, under sales agreement						$ 120,500
Series B Convertible Preferred Stock
Class Of Stock [Line Items]
Issuance of common stock and preferred stock (in shares)		4,840
Preferred stock, par value		$ 0.001
Maximum
Class Of Stock [Line Items]
Common stock sales agreement aggregate sales proceeds	$ 150,000
Maximum | Offering
Class Of Stock [Line Items]
Warrant issued		5,841,250
Maximum | 2017 ATM Agreement
Class Of Stock [Line Items]
Commission on gross sales proceeds of common stock	3.00%

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