Income Taxes - Schedule of Current and Deferred Income Tax Provision (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2021	Jan. 31, 2020	Jan. 31, 2019
Current:
Federal	$ 0	$ 0	$ 0
State	1,023	14	80
Foreign	3,933	2,226	685
Total current income tax expense	4,956	2,240	765
Deferred:
Federal	689	0	0
State	248	0	0
Foreign	(175)	(1,183)	0
Deferred income tax expense (benefit), total	762	(1,183)	0
Total provision for income taxes	$ 5,718	$ 1,057	$ 765