Income Taxes - Summary of Income Taxes (Detail) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Oct. 31, 2021	Oct. 31, 2020	Oct. 31, 2021	Oct. 31, 2020
Income Tax Disclosure [Abstract]
Loss before income taxes	$ (804)	$ (15,576)	$ (16,089)	$ (43,922)
Provision (benefit) for income taxes	$ (1,560)	$ 1,502	$ 1,129	$ 3,375
Effective tax rate	194.20%	(9.60%)	(7.00%)	(7.70%)

Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.

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+ Details

- Definition

Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

+ References + Details