v3.23.2
STOCKHOLDERS' EQUITY (Details)
$ / shares in Units, $ in Millions
 3 Months Ended 6 Months Ended
Mar. 14, 2023
shares
Feb. 23, 2023
$ / shares
shares
Feb. 07, 2023
USD ($)
shares
Dec. 22, 2022
USD ($)
shares
Aug. 04, 2022
shares
Jun. 30, 2023
USD ($)
item
$ / shares
shares
Mar. 31, 2023
USD ($)
Jun. 30, 2023
USD ($)
item
$ / shares
shares
Jun. 30, 2022
USD ($)
Mar. 13, 2023
shares
Dec. 31, 2022
shares
Sep. 26, 2022
shares
Jan. 19, 2018
item
Jan. 12, 2018
item
STOCKHOLDERS' EQUITY                            
Common stock dividend declared         1                  
Preferred stock authorized           50,000,000   50,000,000     50,000,000      
Preferred stock, unallocated authorized shares           40,000,000   40,000,000            
Conversion ratio         0.01 0.01   0.01            
Increase in stockholders' deficit | $           $ 32.7 $ 70.5              
Accrued interest paid | $               $ 212.0 $ 178.7          
Net proceeds from AMC Preferred Equity Units issuance | $               $ 175.7            
Number of pending actions | item           2   2         2 2
Maximum                            
STOCKHOLDERS' EQUITY                            
Reserved for future issuance                       425,000,000.0    
At the Market Offerings                            
STOCKHOLDERS' EQUITY                            
Gross proceeds | $               $ 114.5            
Number of shares issued               70,500,000            
Sales agents fees paid | $               $ 2.9            
other third-party issuance | $               8.3            
Payment to issuance cost to third party | $               $ 11.0            
Forward purchase agreement                            
STOCKHOLDERS' EQUITY                            
Value of shares sold | $       $ 75.1                    
Increase in stockholders' deficit | $             193.7              
Number of shares sold       106,595,106                    
AMC Preferred Equity Units                            
STOCKHOLDERS' EQUITY                            
Preferred stock authorized           10,000,000   10,000,000     10,000,000      
Preferred stock, shares issued (in shares)           9,954,065   9,954,065     7,245,872      
Preferred stock, unallocated authorized shares           40,000,000   40,000,000            
Price per share (in dollars per share) | $ / shares           $ 2.22   $ 2.22            
Net proceeds from AMC Preferred Equity Units issuance | $     $ 75.1       $ 75.1              
Class A common stock                            
STOCKHOLDERS' EQUITY                            
Price per share (in dollars per share) | $ / shares           $ 6.23   $ 6.23            
Number of shares authorized           524,173,073   524,173,073     524,173,073      
Special awards expense                            
STOCKHOLDERS' EQUITY                            
Expected performance target to be achieved (as a percent)   200.00%                        
Special awards expense | AMC Preferred Equity Units                            
STOCKHOLDERS' EQUITY                            
Shares vested   2,389,589                        
Price per share (in dollars per share) | $ / shares   $ 2.22                        
Special awards expense | Class A common stock                            
STOCKHOLDERS' EQUITY                            
Shares vested   2,389,589                        
Price per share (in dollars per share) | $ / shares   $ 6.23                        
Special Meeting of Stockholders                            
STOCKHOLDERS' EQUITY                            
Number of shares authorized 550,000,000                 524,173,073        
Stock split conversion ratio 1                          
Second Lien Notes due 2026                            
STOCKHOLDERS' EQUITY                            
Value of shares sold | $       $ 100.0                    
Debt instrument face amount | $     $ 100.0                      
Cash interest rate (as a percent)       10.00%                    
PIK interest rate (as a percent)       12.00%                    
Number of shares sold       91,026,191                    
Second Lien Notes due 2026 | AMC Preferred Equity Units                            
STOCKHOLDERS' EQUITY                            
Number of shares issued     197,621,297                      
Second Lien Notes due 2026                            
STOCKHOLDERS' EQUITY                            
Debt instrument face amount | $     $ 100.0                      
Cash interest rate (as a percent)     10.00%                      
PIK interest rate (as a percent)     12.00%                      
Increase in stockholders' deficit | $     $ 193.7                      
Accrued interest paid | $     $ 1.4                      
Second Lien Notes due 2026 | AMC Preferred Equity Units                            
STOCKHOLDERS' EQUITY                            
Number of shares issued     197,621,297