Other Long-Term Liabilities - Schedule of Other Long-Term Liabilities (Detail) - USD ($) $ in Thousands	Apr. 30, 2021	Jan. 31, 2021
Other Liabilities Disclosure [Abstract]
Unrecognized tax benefits, including interest	$ 9,052	$ 8,966
Deferred tax liabilities, non-current	1,287	1,288
Software license liabilities, non-current	4,226	6,259
Other long-term liabilities	301	299
Total other long-term liabilities	$ 14,866	$ 16,812