Stockholders' Equity (Deficit) - Summary of Stock Option Activity (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020
Equity [Abstract]
Number of shares, Outstanding at December 31, 2020	2,930,248
Number of shares, Granted	3,943,984
Number of shares, Exercised	(151,436)
Number of shares, Cancelled/forfeited	(248,757)
Number of shares, Outstanding at December 31, 2021	6,474,039	2,930,248
Number of shares, Vested or expected to vest at December 31, 2021	6,474,039
Number of shares, Exercisable at December 31, 2021	1,505,832
Weighted Average Exercise Price, Outstanding at December 31, 2020	$ 2.90
Weighted Average Exercise Price, Granted	18.23
Weighted Average Exercise Price, Exercised	1.57
Weighted Average Exercise Price, Cancelled/forfeited	5.44
Weighted Average Exercise Price, Outstanding at December 31, 2021	12.18	$ 2.90
Weighted Average Exercise Price, Vested or expected to vest at December 31, 2021	12.18
Weighted Average Exercise Price, Exercisable at December 31, 2021	$ 3.51
Weighted Average Remaining Contractual Terms (in Years), Outstanding	8 years 6 months	9 years 3 months 18 days
Weighted Average Remaining Contractual Terms (in Years), Vested or excepted to vest at December 31, 2021	8 years 6 months
Weighted Average Remaining Contractual Terms (in Years), Exercisable at December 31, 2021	6 years 1 month 6 days
Aggregate Intrinsic Value, Outstanding	$ 177,130	$ 2,290
Aggregate Intrinsic Value, Vested or excepted to vest at December 31, 2021	177,130
Aggregate Intrinsic Value, Exercisable at December 31, 2021	$ 54,256

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The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan.

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

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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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Number of options outstanding, including both vested and non-vested options.

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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Amount by which current fair value of underlying stock exceeds exercise price of fully vested and expected to vest exercisable or convertible options. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.

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Number of fully vested and expected to vest exercisable options that may be converted into shares under option plan. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.

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Weighted-average exercise price, at which grantee can acquire shares reserved for issuance, for fully vested and expected to vest exercisable or convertible options. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.

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Number of fully vested and expected to vest options outstanding that can be converted into shares under option plan. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.

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Weighted-average exercise price, at which grantee can acquire shares reserved for issuance, for fully vested and expected to vest options outstanding. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.

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Weighted average price at which option holders acquired shares when converting their stock options into shares.

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Weighted average price at which grantees could have acquired the underlying shares with respect to stock options that were terminated.

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Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

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Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Weighted average remaining contractual term for fully vested and expected to vest exercisable or convertible options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.

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Number of share options (or share units) exercised during the current period.

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