Organization and Summary of Significant Accounting Policies - Additional Information (Detail)	12 Months Ended
	Jan. 31, 2025 USD ($) Reportingunit	Jan. 31, 2024 USD ($)	Jan. 31, 2023 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	0	$ 1,200,000
Realized gain on investments recognized			$ 700,000
Allowance for credit losses	0	0
Write-offs of accounts receivable	$ 0	$ 0	$ 0