Net Income (Loss) Per Share - Summary of Basic and Diluted Net Income (Loss) Per Share Attributable to Common Stockholders (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Numerator:
Net income (loss)	$ 356,711	$ (192,746)	$ 35,446
Income attributable to convertible preferred stock	0	0	(3,209)
Income attributable to options exercises by promissory notes	(1,412)	0	(387)
Income attributable to unvested early exercised options	(23)	0	(95)
Income attributable to common stock subject to share repurchase agreements	(334)	0	0
Income attributable to unvested RSA's	0	0	(52)
Net income (loss) attributable to Class A and Class B common stockholders	$ 354,942	$ (192,746)	$ 31,703
Denominator:
Weighted-average shares used in computing net income (loss) per share Basic (in shares)	351,952,187	371,568,011	324,836,076
Net income (loss) per share attributable to common stock Basic (in dollars per share)	$ 1.01	$ (0.52)	$ 0.10
Numerator:
Net income (loss)	$ 356,711	$ (192,746)	$ 35,446
Income attributable to convertible preferred stock	0	0	(3,058)
Income attributable to options exercises by promissory notes	(1,371)	0	(369)
Income attributable to unvested early exercised options	(23)	0	(91)
Income attributable to common stock subject to share repurchase agreements	(324)	0	0
Income attributable to unvested RSA's	0	0	(49)
Net income (loss) attributable to Class A and Class B common stockholders	$ 354,993	$ (192,746)	$ 31,879
Denominator:
Weighted-average shares used in computing net income (loss) per share Basic (in shares)	351,952,187	371,568,011	324,836,076
Weighted-average dilutive stock options, RSUs, and convertible security (in shares)	10,637,059	0	17,927,556
Weighted-average shares used in computing net income (loss) per share: Diluted (in shares)	362,589,246	371,568,011	342,763,632
Net income (loss) per share attributable to common stock: Diluted (in dollars per share)	$ 0.98	$ (0.52)	$ 0.09