Stockholders' Equity (Deficit) - Additional Information (Detail)	3 Months Ended
	Mar. 31, 2022 vote $ / shares shares	Mar. 31, 2021 shares	Dec. 31, 2021 shares	Mar. 09, 2021 shares
Class of Stock [Line Items]
Shares authorized (in shares)				361,744,000
Common stock, shares authorized (in shares)	5,000,000,000		5,000,000,000
Common stock, conversion ratio	1
Term of conversion, threshold percentage of common stock outstanding	66.67%
Common Class A
Class of Stock [Line Items]
Common stock, shares authorized (in shares)	4,935,000,000		4,935,000,000
Common Class A | Certificate Of Incorporation Restated
Class of Stock [Line Items]
Common stock, shares authorized (in shares)	4,935,000,000
Common stock, voting rights per share | vote	1
Common Class B
Class of Stock [Line Items]
Common stock, shares authorized (in shares)	65,000,000		65,000,000
Maximum percentage of stock outstanding of a particular class before which shares of another class are converted into this class	30.00%
Common Class B | Certificate Of Incorporation Restated
Class of Stock [Line Items]
Common stock, shares authorized (in shares)	65,000,000
Common stock, voting rights per share | vote	20
Common Class B | David Baszucki Founder
Class of Stock [Line Items]
Number of Class B common stock converted into Class A common stock (in shares)	0	3,700,000
Preferred Stock
Class of Stock [Line Items]
Shares authorized (in shares)	100,000,000
Convertible preferred stock, par value (in dollars per share) | $ / shares	$ 0.0001