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Goodwill and Intangible Assets - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 31, 2022	Oct. 31, 2021	Oct. 31, 2022	Oct. 31, 2021	Jan. 31, 2022
Intangible Assets, Net (Excluding Goodwill) [Abstract]
Goodwill	$ 439,877		$ 439,877		$ 439,877
Amortization expense	$ 5,000	$ 5,000	$ 15,000	$ 14,000

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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