NET LOSS PER SHARE ATTRIBUTABLE TO COMMON STOCKHOLDERS - Schedule of Earnings Per Share, Basic and Diluted (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
Numerator:
Net loss attributable to Class A and Class B common stockholders	$ (78,364)	$ (70,304)	$ (217,653)	$ (266,711)
Denominator:
Weighted-average shares used in computing net loss per share attributable to Class A and Class B common stockholders, basic (in shares)	316,987,303	296,650,848	312,583,956	292,755,742
Weighted-average shares used in computing net loss per share attributable to Class A and Class B common stockholders, diluted (in shares)	316,987,303	296,650,848	312,583,956	292,755,742
Net loss per share attributable to Class A and Class B common stockholders, basic (in USD per share)	$ (0.25)	$ (0.24)	$ (0.70)	$ (0.91)
Net loss per share attributable to Class A and Class B common stockholders, diluted (in USD per share)	$ (0.25)	$ (0.24)	$ (0.70)	$ (0.91)