Common Stock, Preferred Stock and Stockholders' Equity - Additional Information (Detail)	3 Months Ended		6 Months Ended	9 Months Ended
	Jun. 30, 2024 Series $ / shares shares	Mar. 31, 2024 USD ($) $ / shares shares	Jun. 30, 2024 USD ($) Series $ / shares shares	Jun. 30, 2024 USD ($) Series $ / shares shares	Dec. 31, 2023 shares	Sep. 22, 2023 USD ($)	Jun. 30, 2023 shares
Schedule Of Stockholders Equity [Line Items]
Shares, issued	2,223,250,000		2,223,250,000	2,223,250,000
Share repurchase, amount | $		$ 200,000	$ 158,000
Share repurchase, average cost per share | $ / shares		$ 2.26
Share repurchase, shares	0	69,976
Number of warrants outstanding	43,848,750		43,848,750	43,848,750
Class of warrant or right exercise price | $ / shares	$ 11.5		$ 11.5	$ 11.5
Number of consecutive trading days for determining share price			20 days
Number of trading days for determining the share price			10 days
Class of warrants or rights expiration period			5 years
BT Assets [Member]
Schedule Of Stockholders Equity [Line Items]
Equity ownership percentage	4.30%		4.30%	4.30%
Public Warrants [Member]
Schedule Of Stockholders Equity [Line Items]
Number of warrants outstanding	31,625,000		31,625,000	31,625,000
Private Warrants [Member]
Schedule Of Stockholders Equity [Line Items]
Number of warrants outstanding	12,223,750		12,223,750	12,223,750
Maximum [Member]
Schedule Of Stockholders Equity [Line Items]
Authorized repurchase amount | $						$ 10,000,000
Class A Common Stock [Member]
Schedule Of Stockholders Equity [Line Items]
Common stock, shares authorized	800,000,000		800,000,000	800,000,000	800,000,000
Common stock, vote per share			one vote
Share repurchase, amount | $				$ 400,000
Share repurchase, shares				190,620
Class of warrant or right, number of securities called by each warrant or right	1		1	1
Earn out provision share price | $ / shares	$ 12		$ 12	$ 12
Class A Common Stock [Member] | Share Price Equal Or Exceeds Eighteen Rupees Per Dollar [Member]
Schedule Of Stockholders Equity [Line Items]
Class of warrant or right per share price during the period | $ / shares	0.01		0.01	0.01
Share price | $ / shares	18		$ 18	18
Number of consecutive trading days for determining share price			20 days
Number of trading days for determining the share price			30 days
Right to redeem outstanding warrants once exercisable and prior to expiration | $ / shares	$ 0.01		$ 0.01	$ 0.01
Class B Common Stock [Member]
Schedule Of Stockholders Equity [Line Items]
Common stock, shares authorized	20,000,000		20,000,000	20,000,000	20,000,000
Common stock, vote per share			one vote
Class M Common Stock [Member]
Schedule Of Stockholders Equity [Line Items]
Common stock, shares authorized	300,000,000		300,000,000	300,000,000
Common stock, vote per share			ten votes
Class O Common Stock [Member]
Schedule Of Stockholders Equity [Line Items]
Common stock, shares authorized	800,000,000		800,000,000	800,000,000
Common stock, vote per share			one vote
Class V Common Stock [Member]
Schedule Of Stockholders Equity [Line Items]
Common stock, shares authorized	300,000,000		300,000,000	300,000,000
Common stock, conversion basis			one-for-one
Common stock percentage of voting rights	20.00%		20.00%	20.00%
Class V Common Stock [Member] | BT Assets [Member]
Schedule Of Stockholders Equity [Line Items]
Forfeiture of shares	2,906,976		2,906,976
Class E Common Stock [Member]
Schedule Of Stockholders Equity [Line Items]
Common stock, shares authorized	2,250,000		2,250,000	2,250,000	2,250,000
Number of common stock series | Series	3		3	3
Earnout shares issuable	15,000,000		15,000,000	15,000,000
Common stock, conversion basis			one-for-one
Class E Common Stock [Member] | Sponsor [Member]
Schedule Of Stockholders Equity [Line Items]
Earnout shares issuable	1,075,061		1,075,061	1,075,061
Class E-1 Common Stock [Member]
Schedule Of Stockholders Equity [Line Items]
Common stock, shares authorized	750,000		750,000	750,000
Class E-2 Common Stock [Member]
Schedule Of Stockholders Equity [Line Items]
Common stock, shares authorized	750,000		750,000	750,000
Class E-3 Common Stock [Member]
Schedule Of Stockholders Equity [Line Items]
Common stock, shares authorized	750,000		750,000	750,000
Series A Preferred Stock [Member]
Schedule Of Stockholders Equity [Line Items]
Preferred stock, shares issued	3,075,000		3,075,000	3,075,000	3,125,000		4,300,000
Preferred stock, shares outstanding	3,075,000		3,075,000	3,075,000	3,125,000
Convertion of preferred shares	50,000		50,000	50,000