Basic and Diluted Net Loss Per Common Share - Summary of Calculation of Basic and Diluted Net Loss Per Share (Detail) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Numerator
Consolidated net loss	$ (178,734)	$ (142,930)	$ (340,754)	$ (279,033)
Less: net loss attributable to noncontrolling interests	(2,294)	(2,796)	(4,112)	(4,682)
Net loss attributable to common stockholders	$ (176,440)	$ (140,134)	$ (336,642)	$ (274,351)
Denominator
Weighted-average common shares used in per share computation, basic (in shares)	593,928,000	571,300,000	591,252,000	432,159,000
Weighted-average common shares used in per share computation, diluted (in shares)	593,928,000	571,300,000	591,252,000	432,159,000
Net loss per share, basic (in dollars per share)	$ (0.30)	$ (0.25)	$ (0.57)	$ (0.63)
Net loss per share, diluted (in dollars per share)	$ (0.30)	$ (0.25)	$ (0.57)	$ (0.63)