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Balance Sheet Components - Additional Information (Details) - USD ($) $ in Thousands, shares in Millions	3 Months Ended			9 Months Ended
	Oct. 31, 2025	Oct. 31, 2024	Apr. 30, 2024	Oct. 31, 2025	Oct. 31, 2024	Jan. 31, 2025	Mar. 08, 2024	Dec. 31, 2018
Balance Sheet Components [Line Items]
Amortization expense for deferred sales commissions	$ 2,700	$ 2,500		$ 7,800	$ 7,300
Gain on note conversion					$ 980
Fair value of GTC preferred stock	3,300			3,300
Global Telecom Corporation \| Convertible Promissory Note
Balance Sheet Components [Line Items]
Investment in privately-held company								$ 1,300
Global Telecom Corporation \| Preferred Stock
Balance Sheet Components [Line Items]
Fair value of GTC preferred stock	$ 3,300			$ 3,300		$ 3,300
Global Telecom Corporation \| Preferred Stock \| Equity Financing
Balance Sheet Components [Line Items]
Carrying value of convertible promissory note							$ 2,300
Outstanding principal and unpaid interests converted to shares							8.2
Gain on note conversion			$ 1,000