Leases - Supplemental Balance Sheet Information Related to Leases (Detail) - USD ($) $ in Thousands	Oct. 31, 2020	Jan. 31, 2020	Oct. 31, 2019
Operating Leases
Lease right-of-use assets	$ 52,824	$ 49,132	$ 24,055
Lease liabilities	10,429		6,401
Lease liabilities, noncurrent	47,965		19,261
Total operating lease liabilities	58,394		25,662
Finance Leases
Property and equipment, at cost	1,738		1,738
Accumulated depreciation	(1,738)		(978)
Property and equipment, net	0		760
Lease liabilities	621		1,029
Lease liabilities, noncurrent	0		621
Total finance lease liabilities	$ 621		$ 1,650
Weighted Average Remaining Lease Term
Operating leases	7 years		5 years 2 months 12 days
Finance leases	7 months 6 days		1 year 7 months 6 days
Weighted Average Discount Rate
Operating leases	4.00%		4.30%
Finance leases	4.30%		4.30%
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List]	veev:OperatingAndFinanceLeaseLiabilityCurrent	veev:OperatingAndFinanceLeaseLiabilityCurrent
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List]	veev:OperatingAndFinanceLeaseLiabilityNoncurrent	veev:OperatingAndFinanceLeaseLiabilityNoncurrent
Finance Lease, Liability, Current, Statement of Financial Position [Extensible List]	veev:OperatingAndFinanceLeaseLiabilityCurrent	veev:OperatingAndFinanceLeaseLiabilityCurrent
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List]	veev:OperatingAndFinanceLeaseLiabilityNoncurrent	veev:OperatingAndFinanceLeaseLiabilityNoncurrent