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Common Stock and Warrants - Additional Information (Detail) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
	Aug. 06, 2020	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022
Class Of Stock [Line Items]
Common stock, shares outstanding		129,194,842		129,194,842		127,604,000
Change in fair value of warrant liability		$ 0	$ 0	$ 0	$ (1,801)
Warrants
Class Of Stock [Line Items]
Cash Settlement of warrants					$ 8,500
Number of common stock warrants exercised			1,882,600		1,882,600
Warrants | Other Income, Net
Class Of Stock [Line Items]
Change in fair value of warrant liability					$ 1,800
2020 ATM Agreement
Class Of Stock [Line Items]
Remaining proceeds from common stock, under sales agreement				$ 120,000
Maximum
Class Of Stock [Line Items]
Common stock sales agreement aggregate sales proceeds	$ 120,000
Maximum | 2020 ATM Agreement
Class Of Stock [Line Items]
Commission on gross sales proceeds of common stock	3.00%

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