Share-based compensation arrangement by share-based payment award offering period.

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Share-based compensation arrangement by share-based payment award purchase period.

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Share-based compensation arrangement by share-based payment award, shares subject to repurchase.

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- Definition

Share based compensation by share based payment award common stock granted in period, term.

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- Definition

Share-based payment arrangement, withheld on behalf of employees for future purchase.

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

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Aggregate number of common shares reserved for future issuance.

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- Definition

Aggregate carrying value as of the balance sheet date of the liabilities for stock option plans and other equity-based compensation arrangements payable within one year (or the operating cycle, if longer).

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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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- Definition

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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No definition available.

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- Definition

Number of shares authorized for issuance under share-based payment arrangement.

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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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Gross number of share options (or share units) granted during the period.

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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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- Definition

Maximum number of shares that may be issued in accordance with the plan as a proportion of outstanding capital stock.

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No definition available.

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- Definition

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

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Number of shares issued during the period as a result of an employee stock purchase plan.

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Stock-based Compensation - Additional Information (Details) - USD ($)	1 Months Ended	2 Months Ended	3 Months Ended
	Jul. 31, 2021	Sep. 30, 2021	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Common stock reserved for future issuance			43,208,831		34,381,274
Share-based compensation, shares subject to repurchase			948,179		1,115,105
Stock-based compensation			$ 6,845,000	$ 4,442,000
Accrued Expenses and Other Current Liabilities
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Share-based compensation, liabilities associated with shares issued with repurchase rights			$ 1,500,000		$ 1,700,000
Minimum
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Share-based compensation, common stock grant in period, term			5 years
Stock Options
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Common stock reserved for future issuance			25,892,271		17,393,396
Stock vesting period			4 years
Weighted-average grant date fair value of options granted			$ 2.94	$ 8.36
Unrecognized compensation cost related to unvested stock option grants			$ 72,000,000.0
Unrecognized compensation cost expected to be recognized as expense, period			2 years 10 months 13 days
Intrinsic value of options exercised			$ 517,000	$ 3,400,000
Share-based compensation, options granted that vest based on performance milestone			9,025,337
Stock Options \| Minimum \| At the Time Option is Granted
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Percentage of fair market value of common stock			100.00%
Stock Options \| Minimum \| For Holders of More Than 10% of Company's Total Combined Voting Power of All Classes of Stock
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Percentage of fair market value of common stock			110.00%
Stock Options \| Maximum
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Share-based compensation, plan expiration period			10 years
2018 Equity Incentive Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Share-based compensation, options granted that vest based on performance milestone		0
2021 Incentive Award Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Common stock reserved for future issuance			14,846,946
Shares of common stock, authorized for issuance	15,150,000
Percentage of outstanding common stock maximum	5.00%
ESPP
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Common stock reserved for future issuance	1,260,000
Unrecognized compensation cost related to unvested stock option grants			$ 2,200,000
Unrecognized compensation cost expected to be recognized as expense, period			1 year 2 months 26 days
Stock-based compensation			$ 707,000	$ 501,000
Share-based payment arrangement, withheld on behalf of employees for future purchase			$ 418,000		$ 74,000
Offering period	24 months
Purchase period	6 months
Shares issued under ESPP			0	0
ESPP \| Minimum
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Percentage of fair market value of common stock	85.00%