Consolidated Statements of Stockholders’ Equity - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock	Additional Paid-In Capital	Accumulated Other Comprehensive Income (Loss)	Accumulated Deficit	Unvested restricted stock Common Stock	Restricted Stock Units	Restricted Stock Units Common Stock	Restricted Stock Units Additional Paid-In Capital
Beginning balance (in shares) at Jan. 31, 2019		243,524
Beginning balance at Jan. 31, 2019	$ 737,780	$ 24	$ 1,820,043	$ (338)	$ (1,081,949)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock upon exercise of stock options (in shares)		7,770
Issuance of common stock upon exercise of stock options	42,931	$ 1	42,930
Stock-based compensation expense	226,705		226,705
Vesting of restricted stock units (in shares)								9,215
Vesting of restricted stock units							$ 0	$ 1	$ (1)
Net issuance of restricted stock units ( in shares)						624
Net issuance of restricted stock	0
Tax withholding on vesting of restricted stock	(10,379)		(10,379)
Common stock issued under employee stock purchase plan (in shares)		3,743
Common stock issued under employee stock purchase plan	43,298		43,298
Repurchase of common stock (in shares)		(868)
Repurchases of common stock	(15,017)		(15,017)
Other comprehensive income (loss)	5,787			5,787
Net loss	(200,987)				(200,987)
Ending balance (in shares) at Feb. 02, 2020		264,008
Ending balance at Feb. 02, 2020	830,118	$ 26	2,107,579	5,449	(1,282,936)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock upon exercise of stock options (in shares)		9,734
Issuance of common stock upon exercise of stock options	59,510	$ 1	59,509
Stock-based compensation expense	242,685		242,685
Vesting of restricted stock units (in shares)								11,241
Vesting of restricted stock units							0	$ 1	(1)
Cancellation and forfeiture of restricted stock (in shares)						(317)
Cancellation and forfeiture of restricted stock	0
Tax withholding on vesting of restricted stock (in shares)		(490)
Tax withholding on vesting of restricted stock	(8,258)		(8,258)
Common stock issued under employee stock purchase plan (in shares)		3,714
Common stock issued under employee stock purchase plan	32,439		32,439
Repurchase of common stock (in shares)		(9,527)
Repurchases of common stock	(135,175)		(135,175)
Equity awards assumed in an acquisition	8,802		8,802
Other comprehensive income (loss)	1,961			1,961
Net loss	(282,076)				(282,076)
Ending balance (in shares) at Jan. 31, 2021		278,363
Ending balance at Jan. 31, 2021	750,006	$ 28	2,307,580	7,410	(1,565,012)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock upon exercise of stock options (in shares)		5,955
Issuance of common stock upon exercise of stock options	48,543		48,543
Stock-based compensation expense	289,185		289,185
Vesting of restricted stock units (in shares)								12,955
Vesting of restricted stock units							$ 0	$ 1	$ (1)
Cancellation and forfeiture of restricted stock (in shares)						(62)
Cancellation and forfeiture of restricted stock	0
Tax withholding on vesting of restricted stock (in shares)		(454)
Tax withholding on vesting of restricted stock	(10,835)		(10,835)
Common stock issued under employee stock purchase plan (in shares)		4,365
Common stock issued under employee stock purchase plan	36,641		36,641
Repurchase of common stock (in shares)		(8,489)
Repurchases of common stock	(200,170)		(200,170)
Other comprehensive income (loss)	(15,775)			(15,775)
Net loss	(143,259)				(143,259)
Ending balance (in shares) at Feb. 06, 2022		292,633
Ending balance at Feb. 06, 2022	$ 754,336	$ 29	$ 2,470,943	$ (8,365)	$ (1,708,271)