Common Stock - Additional Information (Detail) - USD ($)	1 Months Ended		9 Months Ended
	Sep. 30, 2022	May 31, 2022	Sep. 30, 2022	Dec. 31, 2021
Class of Stock [Line Items]
Maximum aggregate offering price of common stock, preferred stock, debt securities and warrants	$ 400,000,000.0		$ 400,000,000.0
Available for Issuance and Sale Under Sales Agreement	150,000,000.0		150,000,000.0
2022 ATM facility [Member] | Cowen and Company, LLC [Member] | Maximum [Member]
Class of Stock [Line Items]
Maximum aggregate offering price of common stock, preferred stock, debt securities and warrants	$ 150,000,000.0		$ 150,000,000.0
Common Class A [Member]
Class of Stock [Line Items]
Common stock, Shares authorized	500,000,000		500,000,000	500,000,000
Common stock, Par value	$ 0.001		$ 0.001	$ 0.001
Common stock conversion basis			one
Cash dividends			$ 0
Shares converted	99,238	210,000
Common stock, Shares outstanding	27,607,449		27,607,449	20,968,376
Company shares issued			283,034
Common Class B [Member]
Class of Stock [Line Items]
Common stock, Shares authorized	14,600,000		14,600,000	14,600,000
Common stock, Par value	$ 0.001		$ 0.001	$ 0.001
Cash dividends			$ 0
Shares converted	99,238	210,000
Common stock, Shares outstanding	0		0	309,238