Other Long-Term Liabilities - Schedule of Other Long-Term Liabilities (Detail) - USD ($) $ in Thousands	Oct. 31, 2020	Jan. 31, 2020
Other Liabilities Disclosure [Abstract]
Unrecognized tax benefits, including interest	$ 8,953	$ 8,261
Deferred tax liabilities, non-current	1,287	1,288
Software license liabilities, non-current	7,230	8,159
Other long-term liabilities	537	68
Total other long-term liabilities	$ 18,007	$ 17,776