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FAIR VALUE MEASUREMENT (Details) - CONCORD ACQUISITION CORP III - USD ($)
12 Months Ended
Nov. 02, 2023
Dec. 31, 2023
Dec. 31, 2022
Liabilities.:      
Warrant Liability   $ 2,383,000 $ 1,812,200
Sponsor Earnout Shares      
Liabilities.:      
Number of shares to be private placement warrants issued at closing 2,820,000 2,820,000  
Private Placement Warrants      
Liabilities.:      
percentage of warrants subject to forfeiture   100.00%  
Level 1 | Recurring | Marketable Securities Held In Trust Account      
Liabilities.:      
Marketable securities held in Trust Account     356,190,233
Level 1 | Recurring | Public Warrants      
Liabilities.:      
Warrant Liability   $ 1,725,000  
Level 2 | Recurring | Public Warrants      
Liabilities.:      
Warrant Liability     1,173,000
Level 3 | Recurring | Private Placement Warrants      
Liabilities.:      
Warrant Liability   $ 658,000 639,200
Level 3 | Recurring | Sponsor Loans      
Liabilities.:      
Warrant Liability     $ 1,000,000