v3.25.0.1
STOCKHOLDERS' DEFICIT - Share Issuances (Details) - USD ($)
$ / shares in Units, $ in Millions
1 Months Ended 12 Months Ended
Jan. 15, 2025
Dec. 06, 2024
Jan. 31, 2025
Dec. 31, 2024
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Common Stock              
Subsidiary, Sale of Stock [Line Items]              
Number of shares authorized       550,000,000 550,000,000 550,000,000  
Common stock, par value (in dollars per share)       $ 0.01 $ 0.01 $ 0.01  
Additional Paid-in Capital              
Subsidiary, Sale of Stock [Line Items]              
Increase in stockholders' deficit         $ 252.8 $ 759.4 $ 217.6
Subsequent Events              
Subsidiary, Sale of Stock [Line Items]              
Gross proceeds     $ 171.7        
Subsequent Events | Additional Paid-in Capital              
Subsidiary, Sale of Stock [Line Items]              
Increase in stockholders' deficit     $ 108.7        
Sales and Registration Agreement              
Subsidiary, Sale of Stock [Line Items]              
Number of shares authorized   50,000,000          
Sales and Registration Agreement | Subsequent Events              
Subsidiary, Sale of Stock [Line Items]              
Shares issued 50,000,000            
Forward purchase agreement              
Subsidiary, Sale of Stock [Line Items]              
Shares issued   30,000,000          
Common stock, par value (in dollars per share)       $ 0.01 $ 0.01    
Gross proceeds       $ 0.3      
Potential maximum proceeds from sale of common stock         $ 38.5    
Forward purchase agreement | Additional Paid-in Capital              
Subsidiary, Sale of Stock [Line Items]              
Increase in stockholders' deficit [1]           $ 193.7  
Forward purchase agreement | Subsequent Events              
Subsidiary, Sale of Stock [Line Items]              
Shares issued     30,000,000        
Gross proceeds     $ 108.7        
Forward purchase agreement | Minimum              
Subsidiary, Sale of Stock [Line Items]              
Price per share (in dollars per share)   $ 4.01          
Forward purchase agreement | Maximum              
Subsidiary, Sale of Stock [Line Items]              
Price per share (in dollars per share)   $ 4.71          
At-the-Market Offerings | AMC Preferred Equity Units              
Subsidiary, Sale of Stock [Line Items]              
Shares issued           7,100,000 20,800,000
Gross proceeds           $ 114.5 $ 228.8
At-the-Market Offerings | Subsequent Events              
Subsidiary, Sale of Stock [Line Items]              
Shares issued     17,100,000        
[1] Includes $75.1 million of cash proceeds and $118.6 million carrying value of the debt exchanged for AMC Preferred Equity Units.