Stock-Based Compensation - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Thousands	6 Months Ended
Jun. 30, 2022	Jun. 30, 2021
Share-Based Payment Arrangement [Abstract]
Aggregate intrinsic value of options exercised		$ 1,729
Exercise of stock options, shares	0
Options Granted, Weighted-average grant-date fair value	$ 1.23	$ 9.31
Total fair value of restricted stock units vested	$ 4	$ 4
Unrecognized stock-based compensation expenses	$ 27,456
Unrecognized stock-based compensation expense, period for recognition	2 years 7 months 6 days

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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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Fair value of share-based awards for which the grantee gained the right by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash.

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

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