Share-based Compensation Arrangement by Share-based Payment Award, Award Cliff Vesting Period

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- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Maximum Number of Shares Available for Issue on the Exercise of Incentive Stock Options

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No definition available.

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- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Number of Additional Shares Allowable Under The Plan

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- Definition

Share-Based Compensation Arrangement By Share-based Payment Award, Period For Increase in Shares

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- Definition

Share-Based Compensation Arrangement By Share-based Payment Award, Purchase Period

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- Definition

Share-based Payment Arrangement, Plan Modification, Option, Exercise Price

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- Definition

Aggregate number of common shares reserved for future issuance.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
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- Definition

Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
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- Definition

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.

+ References

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- Definition

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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- Definition

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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- Definition

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

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- Definition

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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- Definition

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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-Publisher FASB
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- Definition

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

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

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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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- Definition

An excess of the fair value of the modified award over the fair value of the award immediately before the modification.

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- Definition

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

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No definition available.

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STOCK-BASED COMPENSATION - Narrative (Details) - USD ($) $ / shares in Units, $ in Thousands		1 Months Ended	12 Months Ended
	Jun. 27, 2020	Sep. 30, 2021	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock reserved for future issuance (in shares)			33,769,619	91,057,891
Options outstanding (in shares)			16,370,673	15,611,571
Aggregate intrinsic value of options exercised			$ 33,991	$ 1,700	$ 5,500
Unrecognized compensation cost related to unvested share-based compensation arrangements granted			$ 26,800
Weighted-average fair value of options granted (in dollars per share)			$ 4.42	$ 4.80	$ 5.64
Stock-based compensation, exercise price (in dollars per share)	$ 4.12
Incremental stock-based compensation expense	$ 100		$ 300	$ 300
Previously Reported
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options outstanding (in shares)				15,612,071
Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation cost, period for recognition			2 years 6 months 18 days
RSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation cost, period for recognition			2 years 8 months 4 days
Award vesting period			4 years
Award cliff vesting period			1 year
Unrecognized compensation cost related to outstanding unvested restricted stock units			$ 3,400
2021 Equity Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation, number of shares authorized (in shares)			14,495,829
Stock-based compensation, period for increase in shares		10 years
Percent of outstanding shares		4.00%
Shares available for issuance (in shares)			14,306,487	0
Options outstanding (in shares)			189,342	0
2021 Equity Incentive Plan \| Class A Common Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation, number of shares authorized (in shares)		32,349,192
Stock-based compensation, maximum number of shares available for issue on the exercise of incentive stock options (in shares)		100,000,000
2021 Employee Stock Purchase Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares available for issuance (in shares)			2,932,232	0
2021 Employee Stock Purchase Plan \| 2021 ESPP
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation, period for increase in shares		10 years
Percent of outstanding shares		1.00%
Stock-based compensation, number of additional shares allowable under the plan (in shares)		2,850,000
Stock-based compensation, purchase period		6 months
2021 Employee Stock Purchase Plan \| Class A Common Stock \| 2021 ESPP
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock reserved for future issuance (in shares)		2,932,232
Stock-based compensation, discount percentage from market price, beginning of period		85.00%
2015 Equity Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation, number of shares authorized (in shares)				26,918,466
Shares available for issuance (in shares)			0	4,455,401
Options outstanding (in shares)			16,181,331	15,611,571