Recapitalization - Additional Information (Details) - $ / shares	6 Months Ended	12 Months Ended
	Sep. 30, 2023	Mar. 31, 2023
Business Acquisition [Line Items]
Common stock, par value	$ 0.0001	$ 0.0001
VG Acquisition Sponsor LLC [Member]
Business Acquisition [Line Items]
Earn-out shares, Percentage	50.00%
Lockup period for shares	7 years	7 years
VG Acquisition Sponsor LLC [Member] | Maximum [Member]
Business Acquisition [Line Items]
Share Price Thresholds Release From Lock Up	$ 15
Class A Common Stock [Member]
Business Acquisition [Line Items]
Common stock, shares outstanding	311,339,539	293,020,474
Common stock, shares issued	311,339,539	293,020,474
Class A Common Stock [Member] | VG Acquisition Sponsor LLC [Member]
Business Acquisition [Line Items]
Earn-out shares, Percentage	50.00%
Trading days	20 days
Number of trading days after commencing	30 days
Class A Common Stock [Member] | VG Acquisition Sponsor LLC [Member] | Minimum [Member]
Business Acquisition [Line Items]
Share Price Thresholds Release From Lock Up	$ 12.5
Class B Common Stock [Member]
Business Acquisition [Line Items]
Common stock, shares outstanding	167,491,460	168,179,488
Common stock, shares issued	167,491,460	168,179,488