Net (Loss) Income Per Share Attributable to Common Stockholders - EPS (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Weighted-average shares used in computing basic net (loss) income per share attributable to common stockholders (in shares)	507,160,000	529,489,000	513,678,000	535,797,000
Weighted-average shares used in computing diluted net (loss) income per share attributable to common stockholders (in shares)	507,160,000	529,489,000	522,394,000	535,797,000
Net (loss) income per share attributable to common stockholders, basic (in dollars per share)	$ (0.06)	$ (0.10)	$ 0.11	$ (0.34)
Net (loss) income per share attributable to common stockholders, diluted (in dollars per share)	$ (0.06)	$ (0.10)	$ 0.10	$ (0.34)
Class A
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Net (loss) income attributable to common stockholders, basic	$ (26,581)	$ (49,222)	$ 49,672	$ (163,352)
Net (loss) income attributable to common stockholders, diluted	$ (26,581)	$ (49,222)	$ 49,419	$ (163,352)
Weighted-average shares used in computing basic net (loss) income per share attributable to common stockholders (in shares)	470,642,000	473,949,000	468,994,000	479,352,000
Effect of dilutive potential shares of common stock (in shares)	0	0	5,522,000	0
Weighted-average shares used in computing diluted net (loss) income per share attributable to common stockholders (in shares)	470,642,000	473,949,000	474,516,000	479,352,000
Net (loss) income per share attributable to common stockholders, basic (in dollars per share)	$ (0.06)	$ (0.10)	$ 0.11	$ (0.34)
Net (loss) income per share attributable to common stockholders, diluted (in dollars per share)	$ (0.06)	$ (0.10)	$ 0.10	$ (0.34)
Class B
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Net (loss) income attributable to common stockholders, basic	$ (2,062)	$ (5,768)	$ 4,733	$ (19,235)
Net (loss) income attributable to common stockholders, diluted	$ (2,062)	$ (5,768)	$ 4,986	$ (19,235)
Weighted-average shares used in computing basic net (loss) income per share attributable to common stockholders (in shares)	36,518,000	55,540,000	44,684,000	56,445,000
Effect of dilutive potential shares of common stock (in shares)	0	0	3,194,000	0
Weighted-average shares used in computing diluted net (loss) income per share attributable to common stockholders (in shares)	36,518,000	55,540,000	47,878,000	56,445,000
Net (loss) income per share attributable to common stockholders, basic (in dollars per share)	$ (0.06)	$ (0.10)	$ 0.11	$ (0.34)
Net (loss) income per share attributable to common stockholders, diluted (in dollars per share)	$ (0.06)	$ (0.10)	$ 0.10	$ (0.34)