Organization and Summary of Significant Accounting Policies - Additional Information (Detail)	12 Months Ended
Jan. 31, 2023 USD ($) Reportingunit	Jan. 31, 2022 USD ($)	Jan. 31, 2021 USD ($)
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Number of reporting unit for goodwill impairment \| Reportingunit	1
Goodwill impairment	$ 0	$ 0	$ 0
Impairment of long-lived assets	0
Impairment losses on investment	$ 0	$ 0	$ 0
Expected dividend yield	0.00%	0.00%	0.00%
Allowance for credit losses	$ 0	$ 0	$ 0
Write-offs of accounts receivable	$ 0	$ 0	$ 0

Number of reporting unit for goodwill impairment.

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Amount of allowance for credit loss on accounts receivable.

+ References

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Amount of direct write-downs of accounts receivable charged against the allowance.

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- Definition

Amount of loss from the write-down of an asset representing the 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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The aggregate amount of write-downs for impairments recognized during the period for long lived assets held for use (including those held for disposal by means other than sale).

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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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