Income Taxes - Schedule of Current and Deferred Income Tax Provision (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2020	Jan. 31, 2019	Jan. 31, 2018
Current:
Federal	$ 0	$ 0	$ 0
State	14	80	46
Foreign	2,226	685	258
Total current income tax expense	2,240	765	304
Deferred:
Federal	0	0	0
State	0	0	0
Foreign	(1,183)	0	0
Deferred income tax expense (benefit), total	(1,183)	0	0
Total provision for income taxes	$ 1,057	$ 765	$ 304