SHAREHOLDERS' EQUITY (DEFICIT) - Warrants (Details) - $ / shares	12 Months Ended
	Dec. 31, 2021	Sep. 30, 2024	Sep. 30, 2023
Class of Warrant or Right [Line Items]
Warrants outstanding (in shares)		29,026,000	29,026,000
Weighted average strike price of warrants (in dollars per share)		$ 11.50	$ 11.50
Common Class A
Class of Warrant or Right [Line Items]
Class of warrant or right, number of securities called by each warrant or right (in shares)	1
Private Placement Warrant
Class of Warrant or Right [Line Items]
Warrants outstanding (in shares)		15,226,000
Class of warrant or right, issued (in shares)		15,226,000
Number of warrants issued in the period (in shares)	15,226,000
Price per warrant (in dollars per share)	$ 1.00
Class of warrant or right, number of securities called by each warrant or right (in shares)	1
Weighted average strike price of warrants (in dollars per share)	$ 11.50
Units
Class of Warrant or Right [Line Items]
Number of warrants issued in the period (in shares)	27,600,000
Price per warrant (in dollars per share)	$ 10.00
Redeemable Warrant
Class of Warrant or Right [Line Items]
Class of warrant or right, number of securities called by each warrant or right (in shares)	0.5
Public Warrant
Class of Warrant or Right [Line Items]
Warrants outstanding (in shares)		13,800,000
Class of warrant or right, issued (in shares)		13,800,000
Class of warrant or right, number of securities called by each warrant or right (in shares)	1
Weighted average strike price of warrants (in dollars per share)	$ 11.50
Expiration period after a business combination	5 years