Net Income (Loss) per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended						9 Months Ended
	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Sep. 30, 2022	Sep. 30, 2021
Numerator:
Net income (loss)	$ 90,679	$ (75,491)	$ (209,294)	$ (323,977)	$ (518,601)	$ (295,033)	$ (194,106)	$ (1,137,611)
Denominator:
Weighted-average shares used in computing net loss per share attributable to Class A and Class B common stockholders, basic (in shares)	1,767,275			1,747,255			1,762,465	1,313,234
Incremental common shares attributable to dilutive effect of share-based payment arrangements (in shares)	23,666			0			0	0
Weighted-average shares used in computing net loss per share attributable to Class A and Class B common stockholders, diluted (in shares)	1,790,941			1,747,255			1,762,465	1,313,234
Net loss attributable to Class A and Class B common stockholders per share, basic (in dollars per share)	$ 0.05			$ (0.19)			$ (0.11)	$ (0.87)
Net loss attributable to Class A and Class B common stockholders per share, diluted (in dollars per share)	$ 0.05			$ (0.19)			$ (0.11)	$ (0.87)
Share-based Payment Arrangement
Denominator:
Antidilutive securities excluded from computation of net loss per share (in shares)	6,000			42,000			25,000	50,000