Goodwill and Acquired Intangible Assets - Additional Information (Details) - USD ($)	12 Months Ended
Jan. 31, 2022	Jan. 31, 2021
Finite Lived Intangible Assets [Line Items]
Goodwill	$ 74,466,000	$ 18,740,000
Goodwill impairment	0	0
Acquired intangible assets	17,708,000	0
Cost of Revenue
Finite Lived Intangible Assets [Line Items]
Acquired intangible assets amortization	$ 5,100,000	$ 0

The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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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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