Share-based Compensation Arrangement by Share-based Payment Award, Amount Withheld For Employee Stock Purchase Plan

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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

Aggregate number of common shares reserved for future issuance.

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- Definition

Face amount or stated value per share of common stock.

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- Definition

The maximum number of common shares permitted to be issued by an entity's charter and bylaws.

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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 nonvested award under share-based payment arrangement. Excludes share and unit options.

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- Definition

Amount of cost to be recognized for option under share-based payment arrangement.

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- Definition

Discount rate from fair value on purchase date that participants pay for shares.

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- Definition

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

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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.

+ References

No definition available.

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- Definition

Number of shares issued during the period as a result of an employee stock purchase plan.

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Stockholders’ Equity and Stock Option Plans - Narrative (Details) - USD ($) $ / shares in Units, $ in Millions	9 Months Ended
	Sep. 30, 2021	Dec. 31, 2020	Dec. 11, 2020	Nov. 30, 2020
Class of Stock [Line Items]
Share-based payment arrangement, nonvested award, excluding option, cost not yet recognized, amount	$ 14.7
Discount from market price, purchase date	85.00%
Amount withheld for employee stock purchase plan	$ 1.5
Share-based Payment Arrangement, Option
Class of Stock [Line Items]
Share-based payment arrangement, nonvested award, option, cost not yet recognized, amount	$ 19.0
Share-based payment arrangement, nonvested award, cost not yet recognized, period for recognition	2 years 10 months 28 days
Restricted Stock Units (RSUs)
Class of Stock [Line Items]
Share-based payment arrangement, nonvested award, cost not yet recognized, period for recognition	3 years 5 months 4 days
Employee Stock
Class of Stock [Line Items]
Common stock reserved for issuance (in shares)	834,866
Share-based payment arrangement, nonvested award, cost not yet recognized, period for recognition	8 months 1 day
Share-based payment arrangement, nonvested award, excluding option, cost not yet recognized, amount	$ 2.4
Percentage of outstanding stock maximum	1.00%
Class A
Class of Stock [Line Items]
Common stock shares authorized	1,000,000,000	1,000,000,000	1,000,000,000
Common stock par value (in usd per share)	$ 0.0001	$ 0.0001	$ 0.0001
Common stock reserved for issuance (in shares)	6,414,228
Issuance of common stock related to employee stock purchase plan (in shares)	155,015
Class A \| Employee Stock
Class of Stock [Line Items]
Common stock reserved for issuance (in shares)				500,000
Number of shares authorized	7,500,000
Class B
Class of Stock [Line Items]
Common stock shares authorized	1,000,000,000	1,000,000,000	1,000,000,000
Common stock par value (in usd per share)	$ 0.0001	$ 0.0001	$ 0.0001