Share-based Compensation Arrangement by Share-based Payment Award, Duration Of Offering Periods

No definition available.

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- Definition

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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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

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.

+ References

No definition available.

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- Definition

The highest percentage of annual salary that an employee is permitted to utilize with respect to the plan.

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- Definition

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

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- Definition

The increase or decrease in number of shares reserved for issuance under stock option agreements awarded under the plan that validly exist and are outstanding, including vested options.

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- Definition

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

+ 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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Equity Incentive Plans - 2017 Employee Stock Purchase Plan (Details) - USD ($) $ in Thousands	1 Months Ended	12 Months Ended
	Apr. 30, 2020	Jan. 31, 2022	Jan. 31, 2021	Jan. 31, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares available for issuance, period increase (in shares)	3,000,000
Stock-based compensation expense		$ 251,069	$ 149,313	$ 75,776
Share-based payment arrangement, nonvested award, excluding option, cost not yet recognized, amount		$ 5,100
Common Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares issued (in shares)		85,401	134,930	154,988
Class A Common Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares issued (in shares)			134,930	154,988
Employee Stock Purchase Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Maximum employee contribution rate		15.00%
Duration of separate offering periods		6 months
Purchase price of common stock, as a percent		85.00%
Shares available for issuance, period increase (in shares)	608,985
Reserved for future issuance (in shares)		2,476,888
Stock-based compensation expense		$ 9,400	$ 7,000	$ 5,100