Common Stock and Preferred Stock - Additional Information (Detail) $ / shares in Units, $ in Thousands			3 Months Ended
	Jun. 16, 2021 Vote $ / shares shares	Feb. 04, 2021 shares	Jun. 30, 2022 USD ($) $ / shares shares	Jun. 30, 2021 USD ($)	Mar. 31, 2022 $ / shares shares
Class Of Stock [Line Items]
Description of convertible common stock	Each share of Class B common stock is convertible into one share of Class A common stock any time at the option of the holder and is automatically converted into one share of Class A common stock upon transfer
Common stock, shares authorized	1,490,000,000
Preferred stock, shares authorized	10,000,000
Preferred stock, par value | $ / shares	$ 0.0001
Preferred stock, shares issued			0
Preferred stock, shares outstanding			0
Change in fair value of warrant liabilities | $			$ 0	$ 534
Class A Common Stock [Member]
Class Of Stock [Line Items]
Common Stock, Par value | $ / shares			$ 0.0001		$ 0.0001
Common stock, shares authorized	1,140,000,000		1,140,000,000		1,140,000,000
Number of votes | Vote	1
Common Stock, Shares, Issued			258,952,446		228,174,718
Common Stock, Shares, Outstanding			258,952,446		228,174,718
Trading days		20 days
Class A Common Stock [Member] | VG Acquisition Sponsor LLC [Member]
Class Of Stock [Line Items]
Trading days		20 days
Class B Common Stock [Member]
Class Of Stock [Line Items]
Common Stock, Par value | $ / shares			$ 0.0001		$ 0.0001
Common stock, shares authorized	350,000,000		350,000,000		350,000,000
Number of votes | Vote	10
Common Stock, Shares, Issued			192,373,071		220,637,603
Common Stock, Shares, Outstanding			192,373,071		220,637,603
Class B Common Stock [Member] | VG Acquisition Sponsor LLC [Member]
Class Of Stock [Line Items]
Common Stock, Shares, Outstanding		3,814,125