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Share-Based Compensation - Summary of Other Information Related to Stock Options (Detail) - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2024	Jan. 31, 2023	Jan. 31, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Net cash proceeds from the exercise of stock options	$ 594	$ 376	$ 3,290
Employee Stock Option
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Intrinsic value of awards exercised	129	23	1,156
Net cash proceeds from the exercise of stock options	$ 594	$ 376	$ 3,290

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Amount of cash inflow from exercise of option under share-based payment arrangement.

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