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		9 Months Ended
	Oct. 31, 2024	Oct. 31, 2023	Oct. 31, 2024	Oct. 31, 2023
Denominator:
Weighted-average shares used in computing net income per share, basic (in shares)	307,529,696	302,493,182	308,443,893	299,037,999
Weighted-average shares used in computing net income per share, diluted (in shares)	314,191,269	310,389,905	314,514,244	306,852,190
Net income per share, basic (in dollars per share)	$ 0.67	$ 0.47	$ 2.08	$ 1.13
Net income per share, diluted (in dollars per share)	$ 0.66	$ 0.45	$ 2.04	$ 1.10
Class A
Numerator:
Net income, basic	$ 176,222	$ 119,429	$ 544,814	$ 285,778
Reallocation of net income	(1,076)	(920)	(3,746)	(2,634)
Net income, diluted	$ 175,146	$ 118,509	$ 541,068	$ 283,144
Denominator:
Weighted-average shares used in computing net income per share, basic (in shares)	261,741,448	255,832,539	261,599,394	252,365,545
Weighted-average shares used in computing net income per share, diluted (in shares)	265,777,344	260,488,614	264,913,871	256,573,508
Net income per share, basic (in dollars per share)	$ 0.67	$ 0.47	$ 2.08	$ 1.13
Net income per share, diluted (in dollars per share)	$ 0.66	$ 0.45	$ 2.04	$ 1.10
Class B
Numerator:
Net income, basic	$ 30,828	$ 21,783	$ 97,559	$ 52,852
Reallocation of net income	1,076	920	3,746	2,634
Net income, diluted	$ 31,904	$ 22,703	$ 101,305	$ 55,486
Denominator:
Weighted-average shares used in computing net income per share, basic (in shares)	45,788,248	46,660,643	46,844,499	46,672,454
Weighted-average shares used in computing net income per share, diluted (in shares)	48,413,925	49,901,291	49,600,373	50,278,682
Net income per share, basic (in dollars per share)	$ 0.67	$ 0.47	$ 2.08	$ 1.13
Net income per share, diluted (in dollars per share)	$ 0.66	$ 0.45	$ 2.04	$ 1.10