Organization and Summary of Significant Accounting Policies - Additional Information (Detail)	12 Months Ended
Jan. 31, 2024 USD ($) Reportingunit	Jan. 31, 2023 USD ($)	Jan. 31, 2022 USD ($)
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Number of reporting unit for goodwill impairment \| Reportingunit	1
Goodwill impairment	$ 0
Impairment of long-lived assets	0
Impairment losses on investment	1,200,000		$ 0
Realized gain on investments recognized		$ 700,000
Deferred revenue recognized	$ 2,200,000
Remaining duration of performance obligation	1 year
Amount of remaining performance obligation	$ 6,900,000
Percentage of remaining performance obligation	96.00%
Description of expected timing to be recognized	expected to be recognized within the next 12 months
Expected dividend yield	0.00%	0.00%	0.00%
Allowance for credit losses	$ 0	$ 0
Write-offs of accounts receivable	$ 0	$ 0	$ 0

Amount of accumulated impairment loss for long-lived assets excluding goodwill.

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Amount of allowance for credit loss on accounts receivable.

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-Topic 944
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-Name Accounting Standards Codification
-Section S99
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Amount of direct write-downs of accounts receivable charged against the allowance.

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Amount of revenue recognized that was previously reported as deferred or unearned revenue.

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Amount of accumulated impairment loss for an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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The amount by which the fair value of an investment is less than the amortized cost basis or carrying amount of that investment at the balance sheet date and the decline in fair value is deemed to be other than temporary, before considering whether or not such amount is recognized in earnings or other comprehensive income.

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Amount of realized gain (loss) on investment.

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Amount of transaction price allocated to performance obligation that has not been recognized as revenue.

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Description of when remaining performance obligation is expected to be recognized as revenue.

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Remaining duration of performance obligation for which optional exemption was applied not to disclose amount of transaction price allocated to and timing of revenue recognition for remaining performance obligation, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Percentage of remaining performance obligation to total remaining performance obligation not recognized as revenue.

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The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term.

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