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, 2024	Dec. 31, 2023	Dec. 31, 2022
Numerator:
Net income (loss)	$ 1,579,776	$ 356,711	$ (192,746)
Income attributable to options exercises by promissory notes	(1,508)	(1,412)	0
Income attributable to unvested early exercised options	(2)	(23)	0
Income attributable to common stock subject to share repurchase agreements	(1,207)	(334)	0
Net income (loss) attributable to common stockholders—Basic	$ 1,577,059	$ 354,942	$ (192,746)
Denominator:
Weighted-average shares used in computing net income (loss) per share - Basic (in shares)	336,921,483	351,952,187	371,568,011
Net income (loss) per share attributable to common stockholders - Basic (in dollars per share)	$ 4.68	$ 1.01	$ (0.52)
Numerator:
Net income (loss)	$ 1,579,776	$ 356,711	$ (192,746)
Income attributable to options exercises by promissory notes	(1,461)	(1,371)	0
Income attributable to unvested early exercised options	(2)	(23)	0
Income attributable to common stock subject to share repurchase agreements	(1,169)	(324)	0
Net income (loss) attributable to common stockholders—Diluted	$ 1,577,144	$ 354,993	$ (192,746)
Denominator:
Weighted-average shares used in computing net income (loss) per share - Basic (in shares)	336,921,483	351,952,187	371,568,011
Weighted-average dilutive share-based awards and warrants (in shares)	10,886,072	10,637,059	0
Weighted-average shares used in computing net income (loss) per share - Diluted (in shares)	347,807,555	362,589,246	371,568,011
Net income (loss) per share attributable to common stockholders - Diluted (in dollars per share)	$ 4.53	$ 0.98	$ (0.52)