Stockholders' Equity - Additional Information (Detail) $ / shares in Units, $ in Millions		9 Months Ended	12 Months Ended
	Feb. 06, 2023 USD ($)	Dec. 31, 2023 Vote $ / shares shares	Mar. 31, 2023 shares
Class of Stock [Line Items]
Stock split description		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
Proceeds from sales agent commission percentage	3.00%
VG Acquisition Sponsor LLC
Class of Stock [Line Items]
Lockup period for shares		7 years	7 years
Earn-out shares, percentage		50.00%
Class A Common Stock
Class of Stock [Line Items]
Number of votes | Vote		1
Class A Common Stock | VG Acquisition Sponsor LLC
Class of Stock [Line Items]
Earnout shares (in shares) | shares		3,814,125	3,814,125
Trading days		20 days
Earn-out shares, percentage		50.00%
Number of trading days after commencing		30 days
Class B Common Stock
Class of Stock [Line Items]
Number of votes | Vote		10
Maximum | VG Acquisition Sponsor LLC
Class of Stock [Line Items]
Share price thresholds release from lock up (in usd per share) | $ / shares		$ 15.00
Maximum | Cowen and Company LLC | Sales Agreement
Class of Stock [Line Items]
Aggregate principal amount | $	$ 150.0
Minimum | Class A Common Stock | VG Acquisition Sponsor LLC
Class of Stock [Line Items]
Share price thresholds release from lock up (in usd per share) | $ / shares		$ 12.50