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

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Disclosure of the weighted average expected dividend for an entity using a valuation technique with different dividend rates during the contractual term.

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Stock-Based Compensation - Secondary Stock Sales Narrative (Details) - USD ($)	1 Months Ended			3 Months Ended	12 Months Ended
	Jul. 31, 2021	Jun. 30, 2021	May 31, 2021	Jan. 31, 2022	Jan. 31, 2022	Jan. 31, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Sale of stock, consideration received on transaction	$ 1,400,000,000
Share-based payment arrangement, expense					$ 87,889,000	$ 15,912,000
Stock options outstanding
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expected dividend yield					$ 0
Private Placement
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Sale of stock, number of shares issued in transaction (in shares)	1,428,568
Private Placement \| Common Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Sale of stock, number of shares issued in transaction (in shares)		305,724	85,403
Sale of stock, price per share (in USD per share)			$ 23.00
Sale of stock, consideration received on transaction		$ 8,700,000	$ 2,000,000
Share-based payment arrangement, expense				$ 0
Private Placement \| Common Stock \| Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Sale of stock, price per share (in USD per share)		$ 21.00
Private Placement \| Common Stock \| Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Sale of stock, price per share (in USD per share)		$ 52.00