Condensed Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Apr. 30, 2023	Jan. 31, 2023	Apr. 30, 2022
Statement Of Financial Position [Abstract]
Accounts receivable, allowance for doubtful accounts	$ 1,453	$ 1,496	$ 1,153
Preferred shares, par value	$ 0.0001	$ 0.0001	$ 0.0001
Preferred shares, shares authorized	10,000,000	10,000,000	10,000,000
Preferred shares, shares issued	0	0	0
Common shares, par value	$ 0.0001	$ 0.0001	$ 0.0001
Common shares, shares authorized	200,000,000	200,000,000	200,000,000
Common shares, shares issued	92,677,835	92,180,709	94,434,621
Common shares, shares outstanding	92,677,835	92,180,709	94,434,621

Amount of allowance for credit loss on accounts receivable, classified as current.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
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-Section 50
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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