Nature of the Business and Basis of Presentation - Additional Information (Details) $ in Thousands			1 Months Ended	12 Months Ended
	Oct. 06, 2020 USD ($) shares	Sep. 25, 2020	Jun. 30, 2021 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)
Class Of Stock [Line Items]
Net loss				$ 83,892	$ 66,335	$ 34,099
Accumulated deficit				267,715	$ 183,823
Net proceeds from issuance of follow-on after deducting expenses and underwriting discounts and commissions			$ 169,500
Cash, cash equivalents and marketable securities				$ 451,500
Reverse stock split		one-for-8.4335		one-for-8.4335
Stock split conversion ratio		0.118574732		0.118574732
IPO
Class Of Stock [Line Items]
Initial public offering closing date	Oct. 06, 2020
Outstanding shares of preferred stock automatically converted | shares	30,355,379
Common Stock | IPO
Class Of Stock [Line Items]
Initial public offering closing date	Oct. 06, 2020
Outstanding shares of preferred stock automatically converted | shares	30,355,379
Net proceeds after deducting expenses and underwriting discounts and commissions	$ 191,200