Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2021	Jan. 31, 2020	Jan. 31, 2019
Income Tax Contingency [Line Items]
Total unrecognized tax benefits that, if recognized, would affect the company's effective tax rate	$ 2,264	$ 2,162	$ 2,183
Accrued interest and penalties related to unrecognized tax benefits	427	$ 430	$ 442
Deferred Tax Liability Not Recognized, Amount of Unrecognized Deferred Tax Liability, Undistributed Earnings of Foreign Subsidiaries	0
United States
Income Tax Contingency [Line Items]
Pre-tax book income, domestic	25,356
Foreign Tax Authority
Income Tax Contingency [Line Items]
Pre-tax book income, foreign	$ (6,181)