Number of shares issuable under share-based payment arrangement.

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Percentage of increase in number of shares of capital stock reserved for issuance.

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Period for increase in number of shares of common stock reserved for issuance.

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Period of share based compensation arrangement by share based payment award anniversary.

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Share based compensation arrangement by share based payment award remaining options vesting period.

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Share based compensation arrangement by share based payment first offering period.

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Share based compensation arrangement by share based payment first offering period commencement date.

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Sharebased compensation arrangement by sharebased payment award options grant date fair value.

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

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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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Weighted average grant-date fair value of options vested.

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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) - USD ($)	1 Months Ended		12 Months Ended
	Feb. 28, 2021	Oct. 31, 2019	Dec. 31, 2021	Dec. 31, 2020
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Share base compensation expense			$ 8,678,000	$ 3,807,000
Service-based RSUs \| Employee
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Vesting period	3 years
Shares granted	56,545
Total grant date fair value	$ 1,300,000
Share base compensation expense			$ 300,000
Restricted Stock Units (RSUs)
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Cancelled shares			11,651
Outstanding			44,894
Performance RSUs \| Executive Officer
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Shares granted	61,500
Total grant date fair value	$ 1,400,000
Share base compensation expense			$ 800,000
Anniversary period	1 year
ESPP Purchases
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of common shares issuable under the plan (in shares)		225,188
Percentage of increase in number of shares of capital stock issued and outstanding		1.00%
Percent of purchase shares of common stock		85.00%
First offering period		6 months
Commencement date of first six month offering period		Jan. 01, 2020
Number of shares of common stock available for issuance under ESPP			544,410
2019 Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of common shares issuable under the plan (in shares)			2,844,193
Percentage of increase in number of shares of capital stock issued and outstanding			4.00%
Common stock reserved and available for issuance as future option grants			1,428,304
Vesting period			4 years
Percentage of option vesting			25.00%
Terms of award			The board of directors determines the period over which options become exercisable and options generally vest over a four-year period, with 25% of options vesting on the first anniversary of employment, and thereafter, the remaining options vesting quarterly, over the following 36-month period. The options will expire within ten years from the date of grant.
Remaining option vesting period			36 months
Expiration period			10 years
Unrecognized stock option granted under plan			$ 17,900,000
Unrecognized weighted average period			2 years 3 months 18 days
Shares granted			830,013
Cancelled shares			133,454
Outstanding			2,406,668	1,898,395
2020 Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Estimated total grant date fair value of options vested			$ 7,000,000.0
Weighted average fair value options granted			$ 16.18	$ 21.88
Maximum \| ESPP Purchases
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Period for increase in number of shares of common stock reserved for issuance		10 years
Maximum \| 2019 Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Period for increase in number of shares of common stock reserved for issuance			10 years