Stockholders' Equity - Summary of Capital Stock (Detail)	3 Months Ended
	Mar. 31, 2021 $ / shares shares
Class 1 Common Stock [Member]
Class Of Stock [Line Items]
Common stock, par value | $ / shares	$ 0.0001
Common stock, shares authorized | shares	233,333,333
Common stock voting rights	10 votes for each share
Common Stock Class Two [Member]
Class Of Stock [Line Items]
Common stock, par value | $ / shares	$ 0.0001
Common stock, shares authorized | shares	500,000,000
Common stock voting rights	1 vote for each share
Preferred Stock [Member]
Class Of Stock [Line Items]
Convertible preferred stock | $ / shares	$ 0.0001
Convertible preferred stock shares authorized | shares	10,000,000
Convertible preferred stock voting rights	N/A