Net Income Per Share - Schedule of Computation of Basic and Diluted Net Income Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Apr. 30, 2024	Apr. 30, 2023
Denominator:
Weighted-average shares used in computing net income per share, basic (in shares)	308,700,582	295,409,207
Weighted-average shares used in computing net income per share, diluted (in shares)	315,360,678	304,115,913
Net income per share, basic (in dollars per share)	$ 0.70	$ 0.05
Net income per share, diluted (in dollars per share)	$ 0.69	$ 0.05
Class A
Numerator:
Net income, basic	$ 184,070	$ 13,004
Reallocation of net income	(1,292)	(135)
Net income, diluted	$ 182,778	$ 12,869
Denominator:
Weighted-average shares used in computing net income per share, basic (in shares)	262,693,481	248,731,065
Weighted-average shares used in computing net income per share, diluted (in shares)	266,476,843	253,394,377
Net income per share, basic (in dollars per share)	$ 0.70	$ 0.05
Net income per share, diluted (in dollars per share)	$ 0.69	$ 0.05
Class B
Numerator:
Net income, basic	$ 32,238	$ 2,440
Reallocation of net income	1,292	135
Net income, diluted	$ 33,530	$ 2,575
Denominator:
Weighted-average shares used in computing net income per share, basic (in shares)	46,007,101	46,678,142
Weighted-average shares used in computing net income per share, diluted (in shares)	48,883,835	50,721,536
Net income per share, basic (in dollars per share)	$ 0.70	$ 0.05
Net income per share, diluted (in dollars per share)	$ 0.69	$ 0.05