Revenue Recognition - Rollforward of Deferred Contract Acquisition Costs (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2022	Jan. 31, 2021	Jan. 31, 2020
Deferred Contract Acquisition Costs
Beginning balance	$ 43,206	$ 37,254
Additions to deferred contract acquisition costs	130,206	51,058
Amortization of deferred contract acquisition costs	(39,257)	(40,997)	$ (30,450)
Reversal of deferred contract acquisition costs due to change in sales incentive plan	0	(5,426)
Translation adjustments	(4,005)	1,317
Ending balance	130,150	43,206	37,254
Deferred contract acquisition costs, current	29,926	10,653
Deferred contract acquisition costs, non-current	100,224	32,553
Total deferred contract acquisition costs	$ 130,150	$ 43,206	$ 37,254