Stockholders' Equity - Additional Information (Detail)	Jul. 31, 2021 USD ($)
Maximum [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Securities offered	$ 250,000,000
2021 Sales Agreement [Member] \| Cantor Fitzgerald Co [Member] \| Minimum [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Securities offered	$ 75,000,000

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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+ Details