Income Taxes - Schedule of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Jan. 31, 2021	Feb. 02, 2020
Deferred tax assets:
Net operating loss carryforwards	$ 308,250	$ 232,155
Tax credit carryover	104,247	76,209
Accruals and reserves	22,263	11,489
Deferred revenue	69,886	60,473
Stock-based compensation expense	28,310	31,906
Depreciation and amortization	120	18,893
Charitable contribution carryforwards	229	2,835
Interest expense limitation (163(j))	110	0
ASC 842 lease liabilities	33,302	25,197
Total deferred tax assets	566,717	459,157
Valuation allowance	(484,437)	(385,791)
Total deferred tax assets, net of valuation allowance	82,280	73,366
Deferred tax liabilities:
Deferred commissions	(41,526)	(30,628)
Convertible debt	(8,147)	(11,226)
ASC 842 right-of-use assets	(29,183)	(23,502)
Acquired intangibles and goodwill	(8,727)	(10,421)
Other	(2,230)	(1,729)
Total deferred tax liabilities	(89,813)	(77,506)
Net deferred tax liabilities	$ (7,533)	$ (4,140)