Stock-Based Compensation - Summary of Stock Option Award Activity (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended	12 Months Ended
Mar. 31, 2022	Dec. 31, 2021
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]
Number of Stock Options, Outstanding balance	3,026,464
Number of Stock Options, Granted	681,704
Number of Stock Options, Exercised	(73,784)
Number of Stock Options, Forfeited	(206,800)
Number of Stock Options, Outstanding balance	3,427,584	3,026,464
Number of Stock Options, Options expected to vest	2,262,393
Number of Stock Options, Exercisable	1,165,191
Weighted-Average Exercise Price, Outstanding balance	$ 10.84
Grant dates at weighted average fair value	4.05
Weighted-Average Exercise Price, Exercised	3.22
Weighted-Average Exercise Price, Forfeited	9.58
Weighted-Average Exercise Price,Outstanding balance	9.73	$ 10.84
Weighted-Average Exercise Price, Options expected to vest	8.03
Weighted-Average Exercise Price, Exercisable	$ 13.03
Weighted-Average Remaining Contractual Term, Outstanding balance	8 years 6 months 29 days	8 years 6 months 3 days
Weighted-Average Remaining Contractual Term, Exercisable	7 years 6 months 10 days
Weighted-Average Remaining Contractual Term, Options expected to vest	9 years 1 month 13 days
Aggregate Intrinsic Value, Outstanding		$ 6,403

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The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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

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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 options outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents 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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