Earnings (Loss) Per Share - Summary of Basic and Diluted Loss per Share of Common Stock (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Numerator:
Net loss attributable to common stockholders - Basic	$ (45,966)	$ (1,681,777)	$ (51,283)
Change in fair value of assumed common stock warrant liabilities	(168,674)	581,863
Net loss attributable to common stockholders - Diluted	$ (214,640)	$ (1,681,777)	$ (51,283)
Weighted-average shares used in computing net loss per share of common stock
Weighted average Class A and Class B Common Stock outstanding - Basic	404,259	252,144	239,636
Effect of dilutive securities	5,250
Weighted average Class A and Class B Common Stock outstanding - Diluted	409,509	252,144	239,636
Net loss per share attributable to Class A and Class B Common stockholders - Basic	$ (0.11)	$ (6.67)	$ (0.21)
Net loss per share attributable to Class A and Class B Common stockholders - Diluted	$ (0.52)	$ (6.67)	$ (0.21)
Common Class A and Class B Shares
Weighted-average shares used in computing net loss per share of common stock
Weighted average Class A and Class B Common Stock outstanding - Basic	404,259	252,144	239,636
Weighted average Class A and Class B Common Stock outstanding - Diluted	409,509	252,144	239,636
Net loss per share attributable to Class A and Class B Common stockholders - Basic	$ (0.11)	$ (6.67)	$ (0.21)
Net loss per share attributable to Class A and Class B Common stockholders - Diluted	$ (0.52)	$ (6.67)	$ (0.21)