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Equity-Based Compensation - Additional Information (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Aug. 20, 2020
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Equity-based compensation expense	$ 24,972	$ 5,190	$ 1,196
Research and Development Expense
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Equity-based compensation expense	11,731	2,305	688
General and Administrative Expense
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Equity-based compensation expense	13,241	2,885	508
Stock Options
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Intrinsic value of stock options exercised	$ 67,600	$ 1,600	$ 100
Weighted-average fair value of options granted	$ 29.95	$ 8.35	$ 1.69
Unrecognized stock-based compensation expense	$ 66,100
Unrecognized compensation cost, recognition period	2 years 8 months 12 days
Equity-based compensation expense	$ 23,789	$ 4,948	$ 592
Stock Options \| Research and Development Expense
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Equity-based compensation expense	11,161	2,084	380
Stock Options \| General and Administrative Expense
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Equity-based compensation expense	$ 12,628	2,864	212
Restricted Stock
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Unrecognized compensation cost, recognition period	1 year
Granted	12,500
Unrecognized stock-based compensation expense	$ 100
Equity-based compensation expense	$ 900	$ 200	$ 400
2020 Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of shares authorized for issuance under plan				4,457,370
Maximum number of shares to be issued, percentage	4.00%
Shares remaining available for future grants	3,082,121
2020 ESPP
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of shares authorized for issuance under plan				445,653
Shares remaining available for future grants	864,864
Share-based compensation, description	The 2020 ESPP provides that the number of shares reserved and available for issuance will automatically increase on January 1, 2021 and each January 1 thereafter through January 1, 2030, by the least of (i) 438,898 shares of common stock, (ii) 1% of the Company’s outstanding number of shares of common stock on the immediately preceding December 31 or (iii) such lesser number of shares of common stock as determined by the administrator of the 2020 ESPP.
2020 ESPP \| Lesser of Potential Outcome 1
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of additional shares authorized	438,898
2020 ESPP \| Lesser of Potential Outcome 2
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Maximum number of shares to be issued, percentage	1.00%
2018 Plan \| Restricted Stock
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Granted	12,500