CONDENSED CONSOLIDATED STATEMENTS OF CONVERTIBLE PREFERRED STOCK AND STOCKHOLDERS' (DEFICIT) EQUITY (Unaudited) - USD ($) shares in Thousands, $ in Thousands	Total	Cumulative Effect, Period of Adoption, Adjustment	Series A Convertible Preferred Stock	Common Stock Class A Common Stock	Additional Paid-In Capital	Additional Paid-In Capital Cumulative Effect, Period of Adoption, Adjustment	Accumulated Other Comprehensive (Loss) Income	Accumulated Deficit	Accumulated Deficit Cumulative Effect, Period of Adoption, Adjustment
Balance at Jan. 31, 2021	$ 151,065			$ 16	$ 1,473,666		$ (938)	$ (1,321,679)
Balance (ASU 2020-06) at Jan. 31, 2021		$ (68,017)				$ (68,576)			$ 559
Balance, Beginning, Shares at Jan. 31, 2021				159,851
Issuance of common stock under employee equity plans, net of shares withheld for employee payroll taxes	(16,789)				(16,789)
Issuance of common stock under employee equity plans, net of shares withheld for employee payroll taxes, (in shares)				4,189
Stock consideration in connection with fiscal 2022 acquisition	10,000				10,000
Stock-based compensation related to stock awards	88,489				88,489
Series A convertible preferred stock, net of issuance costs			$ 485,109
Series A convertible preferred stock, net of issuance costs (in shares)			500
Accretion and dividend on series A convertible preferred stock, net of dividends paid	(3,785)		$ 3,785		(3,785)
Repurchases of common stock	(290,003)			$ (1)	(290,002)
Repurchases of common stock (in shares)				(11,380)
Other comprehensive income (loss)	(674)						(674)
Net loss	(23,273)							(23,273)
Balance at Jul. 31, 2021	(152,987)			$ 15	1,193,003		(1,612)	(1,344,393)
Temporary equity, Ending, Shares at Jul. 31, 2021			500
Temporary equity, Balance at Jul. 31, 2021			$ 488,894
Balance, Ending, Shares at Jul. 31, 2021				152,660
Balance at Apr. 30, 2021	124,813			$ 16	1,460,861		(371)	(1,335,693)
Balance, Beginning, Shares at Apr. 30, 2021				162,762
Issuance of common stock under employee equity plans, net of shares withheld for employee payroll taxes	(14,911)				(14,911)
Issuance of common stock under employee equity plans, net of shares withheld for employee payroll taxes, (in shares)				1,278
Stock-based compensation related to stock awards	40,840				40,840
Series A convertible preferred stock, net of issuance costs			$ 485,109
Series A convertible preferred stock, net of issuance costs (in shares)			500
Accretion and dividend on series A convertible preferred stock, net of dividends paid	(3,785)		$ 3,785		(3,785)
Repurchases of common stock	(290,003)			$ (1)	(290,002)
Repurchases of common stock (in shares)				(11,380)
Other comprehensive income (loss)	(1,241)						(1,241)
Net loss	(8,700)							(8,700)
Balance at Jul. 31, 2021	(152,987)			$ 15	1,193,003		(1,612)	(1,344,393)
Temporary equity, Ending, Shares at Jul. 31, 2021			500
Temporary equity, Balance at Jul. 31, 2021			$ 488,894
Balance, Ending, Shares at Jul. 31, 2021				152,660
Balance at Jan. 31, 2022	$ (395,087)			$ 15	972,020		(4,543)	(1,362,579)
Temporary equity, Beginning, Shares at Jan. 31, 2022	500		500
Temporary equity, Balance at Jan. 31, 2022	$ 487,880		$ 487,880
Balance, Beginning, Shares at Jan. 31, 2022				145,081
Issuance of common stock under employee equity plans, net of shares withheld for employee payroll taxes	(43,990)				(43,990)
Issuance of common stock under employee equity plans, net of shares withheld for employee payroll taxes, (in shares)				5,467
Stock consideration in connection with fiscal 2022 acquisition (in shares)				559
Stock-based compensation related to stock awards	107,015				107,015
Accretion and dividend on series A convertible preferred stock, net of dividends paid	(8,526)		$ 1,026		(8,526)
Repurchases of common stock	(228,572)			$ (1)	(228,571)
Repurchases of common stock (in shares)				(8,787)
Other comprehensive income (loss)	(6,690)						(6,690)
Net loss	(3,654)							(3,654)
Balance at Jul. 31, 2022	$ (579,504)			$ 14	797,948		(11,233)	(1,366,233)
Temporary equity, Ending, Shares at Jul. 31, 2022	500		500
Temporary equity, Balance at Jul. 31, 2022	$ 488,906		$ 488,906
Balance, Ending, Shares at Jul. 31, 2022				142,320
Balance at Apr. 30, 2022	(483,965)			$ 15	892,067		(8,769)	(1,367,278)
Temporary equity, Beginning, Shares at Apr. 30, 2022			500
Temporary equity, Balance at Apr. 30, 2022			$ 488,351
Balance, Beginning, Shares at Apr. 30, 2022				145,598
Issuance of common stock under employee equity plans, net of shares withheld for employee payroll taxes	(16,596)				(16,596)
Issuance of common stock under employee equity plans, net of shares withheld for employee payroll taxes, (in shares)				1,308
Stock-based compensation related to stock awards	45,229				45,229
Accretion and dividend on series A convertible preferred stock, net of dividends paid	(4,304)		$ 555		(4,304)
Repurchases of common stock	(118,449)			$ (1)	(118,448)
Repurchases of common stock (in shares)				(4,586)
Other comprehensive income (loss)	(2,464)						(2,464)
Net loss	1,045							1,045
Balance at Jul. 31, 2022	$ (579,504)			$ 14	$ 797,948		$ (11,233)	$ (1,366,233)
Temporary equity, Ending, Shares at Jul. 31, 2022	500		500
Temporary equity, Balance at Jul. 31, 2022	$ 488,906		$ 488,906
Balance, Ending, Shares at Jul. 31, 2022				142,320