v3.22.2.2
STOCKHOLDERS' EQUITY (Details)
$ in Millions
1 Months Ended 3 Months Ended 9 Months Ended
Aug. 04, 2022
shares
Nov. 30, 2022
USD ($)
shares
Sep. 30, 2022
USD ($)
shares
Sep. 30, 2022
USD ($)
shares
Sep. 30, 2021
USD ($)
Sep. 26, 2022
shares
Dec. 31, 2021
shares
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      
Gross proceeds | $         $ 1,570.7    
Conversion ratio 0.01   0.01 0.01      
Total estimated unrecognized compensation cost related to nonvested stock-based compensation arrangements | $     $ 23.7 $ 23.7      
Weighted average period recognized       1 year 1 month 6 days      
Maximum              
STOCKHOLDERS' EQUITY              
Reserved for future issuance           425,000,000.0  
Subsequent Events              
STOCKHOLDERS' EQUITY              
Gross proceeds | $   $ 28.0          
Number of shares issued   12,200,000          
Payment of stock issue costs | $   $ 0.7          
At the Market Offerings              
STOCKHOLDERS' EQUITY              
Gross proceeds | $     $ 9.3        
Number of shares issued     2,700,000        
Payment of stock issue costs | $     $ 0.2        
Payment to issuance cost to third party | $     $ 4.8        
AMC Preferred Equity Units              
STOCKHOLDERS' EQUITY              
Preferred stock authorized     10,000,000 10,000,000     10,000,000
Preferred stock, shares issued (in shares)     5,195,206 5,195,206     5,139,791
Preferred stock, unallocated authorized shares     40,000,000 40,000,000