Income Taxes (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jul. 31, 2022	Jul. 31, 2021	Jul. 31, 2022	Jul. 31, 2021
Valuation Allowance [Line Items]
Provision for income taxes	$ 4,090,000	$ 1,746,000	$ 8,879,000	$ 3,133,000
Effective tax rate	(3.50%)	(1.80%)	(3.80%)	(0.90%)
Unrecognized tax benefits which would impact the effective tax rate if recognized	$ 2,400,000		$ 2,400,000
Liability pertaining to uncertain tax positions	500,000		500,000
Japan
Valuation Allowance [Line Items]
Deferred tax valuation allowance	$ 0		$ 0