CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (DEFICIT) - USD ($) $ in Thousands	Total	Cumulative Effect, Period of Adoption, Adjustment	Common Stock	Additional Paid-in Capital	Additional Paid-in Capital Cumulative Effect, Period of Adoption, Adjustment	Treasury Stock at Cost	Accumulated Other Comprehensive Income (Loss)	Accumulated Deficit	Accumulated Deficit Cumulative Effect, Period of Adoption, Adjustment
Balances at Jan. 31, 2020	$ 1,999,429		$ 157	$ 3,566,055		$ 0	$ (5,312)	$ (1,561,471)
Balances (in shares) at Jan. 31, 2020			157,787,548
Stock-based compensation	618,655			618,655
Capitalized software development costs	8,019			8,019
Issuance of common stock upon exercise of options	3,472		$ 0	3,472
Issuance of common stock upon exercise of options (in shares)			352,910
Vesting of restricted and performance stock units	5		$ 5
Vesting of restricted and performance stock units (in shares)			4,252,183
Issuance of restricted stock awards	0		$ 0
Issuance of restricted stock awards (in shares)			78,897
Issuance of common stock from acquisitions	4,941		$ 0	4,941
Issuance of common stock from acquisitions (in shares)			31,521
Fair value of replacement equity awards attributable to pre-acquisition service	2,313			2,313
Vesting of early exercised options	203			203
Taxes paid related to net share settlement of equity awards	(140,776)			(140,776)
Issuance of common stock upon ESPP purchase	79,950		$ 1	79,949
Issuance of common stock upon ESPP purchase (in shares)			644,080
Equity component of convertible senior notes, net	342,062			342,062
Purchase of capped calls	(137,379)			(137,379)
Partial repurchase of convertible senior notes	(283,629)			(283,629)
Unrealized loss from investments (net of tax)	(1,188)						(1,188)
Net change in cumulative translation adjustments	5,908						5,908
Net loss	(907,980)							(907,980)
Balances at Jan. 31, 2021	1,594,005		$ 163	4,063,885		0	(592)	(2,469,451)
Balances (in shares) at Jan. 31, 2021			163,147,139
Stock-based compensation	794,818			794,818
Capitalized software development costs	3,539			3,539
Issuance of common stock upon exercise of options	2,430		$ 0	2,430
Issuance of common stock upon exercise of options (in shares)			217,982
Vesting of restricted and performance stock units	4		$ 4
Vesting of restricted and performance stock units (in shares)			2,761,401
Issuance of restricted stock awards	0		$ 0
Issuance of restricted stock awards (in shares)			9,307
Fair value of replacement equity awards attributable to pre-acquisition service	939			939
Vesting of early exercised options	92			92
Taxes paid related to net share settlement of equity awards	(200,961)			(200,961)
Issuance of common stock upon ESPP purchase	79,938			79,938
Issuance of common stock upon ESPP purchase (in shares)			794,260
Equity component of convertible senior notes, net	287,671			287,671
Repurchases of common stock	(1,000,000)					(1,000,000)
Repurchases of common stock (in shares)			(6,885,414)
Unrealized loss from investments (net of tax)	(607)						(607)
Net change in cumulative translation adjustments	0
Net loss	(1,339,097)							(1,339,097)
Balances at Jan. 31, 2022	222,771	$ (726,936)	$ 167	5,032,351	$ (1,026,611)	(1,000,000)	(1,199)	(3,808,548)	$ 299,675
Balances (in shares) at Jan. 31, 2022			160,044,675
Stock-based compensation	789,136			789,136
Capitalized software development costs	5,115			5,115
Issuance of common stock upon exercise of options	1,457		$ 0	1,457
Issuance of common stock upon exercise of options (in shares)			98,027
Vesting of restricted and performance stock units	3		$ 3	(10,638)		10,638
Vesting of restricted and performance stock units (in shares)			3,425,643
Issuance of restricted stock awards	0		$ 0
Issuance of restricted stock awards (in shares)			229,046
Vesting of early exercised options	1			1
Taxes paid related to net share settlement of equity awards	(197,352)			(197,352)
Issuance of common stock upon ESPP purchase	78,318		$ 1	78,317
Issuance of common stock upon ESPP purchase (in shares)			1,036,390
Unrealized loss from investments (net of tax)	(5,164)						(5,164)
Net change in cumulative translation adjustments	0
Net loss	(277,862)							(277,862)
Balances at Jan. 31, 2023	$ (110,513)		$ 171	$ 4,671,776		$ (989,362)	$ (6,363)	$ (3,786,735)
Balances (in shares) at Jan. 31, 2023			164,833,781