INCOME TAXES (Details 5) (USD $)
1 Months Ended 3 Months Ended 12 Months Ended
Mar. 31, 2014
Dec. 31, 2013
Dec. 31, 2013
Dec. 31, 2014
Feb. 07, 2014
INCOME TAXES          
Net deferred tax assets   $ 206,921,000 $ 206,921,000 $ 181,782,000  
Amount of valuation allowance reversed   265,600,000 265,600,000    
Period of cumulative loss for emergence, as positive evidence for reversal of valuation allowance 3 years        
8.75% Senior Fixed Rate Notes due 2019          
INCOME TAXES          
Interest rate of debt instrument (as a percent)       8.75%  
Percentage of outstanding notes received in tenders and consents       77.33%  
5.875% Senior Subordinated Notes due 2022          
INCOME TAXES          
Interest rate of debt instrument (as a percent)       5.875%  
5.875% Senior Subordinated Notes due 2022 | AMCE          
INCOME TAXES          
Interest rate of debt instrument (as a percent)         5.875%
Minimum          
INCOME TAXES          
Cash on hand, as positive evidence for reversal of valuation allowance   $ 500,000,000 $ 500,000,000