Organization - Additional Information (Detail) $ / shares in Units, $ in Thousands					9 Months Ended
	Apr. 21, 2021 shares	Apr. 20, 2021 USD ($) $ / shares shares	Apr. 19, 2021 shares	Apr. 12, 2021	Sep. 30, 2021 USD ($) $ / shares shares	Dec. 31, 2020 USD ($) $ / shares shares
Class Of Stock [Line Items]
Forward stock split ratio				8.84
Preferred stock converted to common stock			7,064,925
Proceeds from IPO net of underwriting discounts and commissions and offering costs | $					$ 152,753
Common stock, shares authorized					300,000,000	25,300,080
Common stock, par value | $ / shares					$ 0.0001	$ 0.0001
Preferred stock, shares authorized					10,000,000	0
Preferred stock, par value | $ / shares					$ 0.0001	$ 0.0001
Accumulated deficit | $					$ (35,032)	$ (8,175)
Cash, cash equivalents, restricted cash, and investments | $					$ 191,900
IPO
Class Of Stock [Line Items]
Issuance of common stock, net of offering costs (in shares)		9,000,000
Initial public offering, price per share | $ / shares		$ 17.00
Shares issued in connection with underwriters exercise of option to purchase additional shares	823,532
Preferred stock converted to common stock		7,064,925
Proceeds from IPO net of underwriting discounts and commissions and offering costs | $		$ 152,800
Common stock, shares authorized		300,000,000
Common stock, par value | $ / shares		$ 0.0001
Preferred stock, shares authorized		10,000,000
Preferred stock, par value | $ / shares		$ 0.0001