Condensed Consolidated Statements of Stockholders' Equity - USD ($) shares in Thousands, $ in Thousands	Total	Class A	Class B	Common Stock Class A	Common Stock Class B	Treasury Stock	Additional Paid-in Capital	Accumulated Other Comprehensive Income (Loss)	Accumulated Deficit
Beginning balance (in shares) at Jan. 31, 2024				492,660	82,453
Beginning Balance (in shares) at Jan. 31, 2024						(5,840)
Beginning balance at Jan. 31, 2024	$ 2,016,114			$ 5	$ 1	$ (102,615)	$ 4,024,079	$ 8,825	$ (1,914,181)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock upon exercise of stock options (in shares)				1,426
Issuance of common stock upon exercise of stock options	311						311
Issuance of common stock upon settlement of restricted stock units (in shares)				3,843
Tax withholdings on settlement of restricted stock units (in shares)				(1,317)
Tax withholdings on settlement of restricted stock units	(29,944)						(29,944)
Charitable donation of Class A common stock (in shares)				281
Charitable donation of Class A common stock	6,564						6,564
Repurchase of Class A common stock (in shares)				(900)		(938)
Repurchase of Class A Common Stock	(22,005)					$ (22,005)
Stock-based compensation	88,785						88,785
Other comprehensive income (loss), net	(4,085)							(4,085)
Net loss	(28,736)	$ (24,579)	$ (4,157)						(28,736)
Ending balance (in shares) at Apr. 30, 2024				496,893	82,453
Ending Balance (in shares) at Apr. 30, 2024						(6,778)
Ending balance at Apr. 30, 2024	$ 2,027,004			$ 5	$ 1	$ (124,620)	4,089,795	4,740	(1,942,917)
Beginning balance (in shares) at Jan. 31, 2025		508,680	82,453	508,680	82,453
Beginning Balance (in shares) at Jan. 31, 2025	(37,621)					(37,621)
Beginning balance at Jan. 31, 2025	$ 1,845,762			$ 5	$ 1	$ (494,779)	4,333,300	(4,890)	(1,987,875)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock upon exercise of stock options (in shares)	851			851
Issuance of common stock upon exercise of stock options	$ 301						301
Issuance of common stock upon settlement of restricted stock units (in shares)				3,127
Conversion of Class B common stock into Class A common stock (in shares)				5,000	(5,000)
Tax withholdings on settlement of restricted stock units (in shares)				(1,026)
Tax withholdings on settlement of restricted stock units	(10,566)						(10,566)
Charitable donation of Class A common stock (in shares)				281
Charitable donation of Class A common stock	4,187						4,187
Repurchase of Class A common stock (in shares)				(21,900)		(21,875)
Repurchase of Class A Common Stock	(229,445)					$ (229,445)
Stock-based compensation	76,364						76,364
Other comprehensive income (loss), net	34,413							34,413
Net loss	$ (22,555)	$ (19,277)	$ (3,278)						(22,555)
Ending balance (in shares) at Apr. 30, 2025		516,913	77,453	516,913	77,453
Ending Balance (in shares) at Apr. 30, 2025	(59,496)					(59,496)
Ending balance at Apr. 30, 2025	$ 1,698,461			$ 5	$ 1	$ (724,224)	$ 4,403,586	$ 29,523	$ (2,010,430)