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		6 Months Ended
	Jul. 31, 2024	Jul. 31, 2023	Jul. 31, 2024	Jul. 31, 2023
Denominator:
Weighted-average shares used in computing net income per share, basic (in shares)	309,137,807	299,093,452	308,921,610	297,281,846
Weighted-average shares used in computing net income per share, diluted (in shares)	314,027,192	305,932,596	314,696,351	305,054,771
Net income per share, basic (in dollars per share)	$ 0.71	$ 0.61	$ 1.41	$ 0.66
Net income per share, diluted (in dollars per share)	$ 0.70	$ 0.59	$ 1.38	$ 0.65
Class A
Numerator:
Net income, basic	$ 186,687	$ 153,573	$ 370,754	$ 166,420
Reallocation of net income	(1,425)	(1,468)	(2,718)	(1,662)
Net income, diluted	$ 185,262	$ 152,105	$ 368,036	$ 164,758
Denominator:
Weighted-average shares used in computing net income per share, basic (in shares)	263,506,853	252,413,018	263,100,802	250,603,102
Weighted-average shares used in computing net income per share, diluted (in shares)	265,631,026	255,717,521	266,054,570	254,587,009
Net income per share, basic (in dollars per share)	$ 0.71	$ 0.61	$ 1.41	$ 0.66
Net income per share, diluted (in dollars per share)	$ 0.70	$ 0.59	$ 1.38	$ 0.65
Class B
Numerator:
Net income, basic	$ 32,328	$ 28,401	$ 64,569	$ 30,998
Reallocation of net income	1,425	1,468	2,718	1,662
Net income, diluted	$ 33,753	$ 29,869	$ 67,287	$ 32,660
Denominator:
Weighted-average shares used in computing net income per share, basic (in shares)	45,630,954	46,680,434	45,820,808	46,678,744
Weighted-average shares used in computing net income per share, diluted (in shares)	48,396,166	50,215,075	48,641,781	50,467,762
Net income per share, basic (in dollars per share)	$ 0.71	$ 0.61	$ 1.41	$ 0.66
Net income per share, diluted (in dollars per share)	$ 0.70	$ 0.59	$ 1.38	$ 0.65