Common stock additional capital shares reserved for future issuance.

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Eligible employees contribution percentage.

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Number of equity incentive plans.

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Participants accrue rights to purchase maximum common stock amount.

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Percentage of shares outstanding used to calculate annual increase in number of shares that can be issued.

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Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Amount of cost to be recognized for nonvested award under share-based payment arrangement. Excludes share and unit options.

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Amount of cost to be recognized for option under share-based payment arrangement.

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Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.

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The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

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Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.

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Description of terms of award under share-based payment arrangement.

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Percentage of vesting of award under share-based payment arrangement.

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Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable.

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Purchase price of common stock expressed as a percentage of its fair value.

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Stock-Based Compensation - Additional Information (Details)	3 Months Ended			9 Months Ended
	Sep. 30, 2022 USD ($) shares	Mar. 31, 2022 USD ($)	Sep. 30, 2021 USD ($)	Sep. 30, 2022 USD ($) Plan $ / shares shares	Sep. 30, 2021 USD ($) $ / shares	Jan. 01, 2022 shares
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of equity incentive plans \| Plan				2
Aggregate intrinsic value of outstanding options	$ 12,100,000			$ 12,100,000
Aggregate intrinsic value of exercisable options	7,100,000			7,100,000
Stock-based compensation expense	6,442,000		$ 7,033,000	$ 19,299,000	$ 15,156,000
Stock Options
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Weighted-average grant date fair value of options granted \| $ / shares				$ 5.72	$ 24.88
Aggregate intrinsic value of options exercised				$ 1,100,000
Stock-based compensation expense		$ 6,100,000	6,700,000	18,300,000	$ 14,400,000
Total unrecognized compensation expense related to unvested stock option awards	56,500,000			$ 56,500,000
Total unrecognized compensation expense, weighted-average period				2 years 6 months 29 days
Unvested Restricted Stock Awards
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Award vesting period				4 years
Stock-based compensation expense	200,000		300,000	$ 600,000	700,000
Total unrecognized compensation expense, weighted-average period				1 year 3 months
Share-based payment arrangement, nonvested award, unrecognized expense	700,000			$ 700,000
Restricted Stock Units (RSUs)
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Award vesting period				4 years
Stock-based compensation expense	74,000			$ 156,000
Total unrecognized compensation expense, weighted-average period				3 years 4 months 9 days
Share-based payment arrangement, nonvested award, unrecognized expense	$ 900,000			$ 900,000
2020 Equity Incentive Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of shares available for future grants \| shares	5,347,757			5,347,757
Terms of award				The Company’s stock options vest based on the terms in each award agreement, generally over four-year periods with 25% of options vesting after 1 year and then monthly thereafter, and have a term of ten years.
Award term				10 years
Percentage of shares outstanding used to calculate annual increase in number of shares that can be issued				5.00%
2020 Employee Stock Purchase Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of shares available for future grants \| shares	1,342,050			1,342,050
Percentage of shares outstanding used to calculate annual increase in number of shares that can be issued				1.00%
Stock-based compensation expense	$ 100,000		$ 100,000	$ 300,000	$ 100,000
Common stock additional capital shares reserved for future issuance \| shares						476,023
Eligible employees purchase common stock percentage of lower of fair market value				85.00%
Participants accrue rights to purchase maximum common stock amount				$ 25,000
Maximum \| 2020 Equity Incentive Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Award vesting period				4 years
Maximum \| 2020 Employee Stock Purchase Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Eligible employees contribution percentage				15.00%
Minimum \| 2020 Equity Incentive Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Award vesting period				1 year
Vesting After One Year \| Unvested Restricted Stock Awards
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Percentage of stock options vested				25.00%
Vesting After One Year \| Restricted Stock Units (RSUs)
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Percentage of stock options vested				25.00%
Vesting After One Year \| 2020 Equity Incentive Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Percentage of stock options vested				25.00%