v3.3.1.900
STOCKHOLDER'S EQUITY (Details) - USD ($)
1 Months Ended 12 Months Ended
Oct. 29, 2015
Aug. 07, 2015
Jul. 28, 2015
Apr. 27, 2015
Mar. 06, 2015
Feb. 03, 2015
Oct. 27, 2014
Jul. 29, 2014
Jun. 25, 2014
Jun. 05, 2014
May. 12, 2014
Apr. 25, 2014
Jan. 02, 2014
Sep. 30, 2014
Dec. 31, 2013
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Sep. 15, 2014
STOCKHOLDER'S EQUITY                                      
Common stock, shares issued (in shares)                               1 1    
Dividends                                      
Dividends declared $ 19,654,000   $ 19,622,000 $ 19,635,000   $ 19,637,000 $ 19,577,000.00 $ 19,576,000.00       $ 19,576,000.00              
Dividends Payable, Amount Per Share $ 0.20   $ 0.20 $ 0.20   $ 0.20 $ 0.20 $ 0.20       $ 0.20              
Dividends and dividend equivalents                               $ 78,608,000 $ 58,504,000 $ 588,000  
Increase in additional paid in capital for recognition of deferred tax assets                               268,000 27,000    
Accrued unpaid dividends                               165,000 225,000    
Equity disclosures                                      
Stock-based compensation expense included in general and administrative expenses                               10,480,000 11,293,000 12,000,000  
Stock based compensation                               10,480,000 $ 11,293,000 6,483,000  
Total estimated unrecognized compensation cost related to nonvested stock-based compensation arrangements                               20,000      
Service condition term                                 1 year    
Additional Paid-in Capital                                      
Equity disclosures                                      
Stock based compensation                               10,480,000 $ 11,293,000 6,483,000  
AMCE                                      
Dividends                                      
Dividends and dividend equivalents                                   588,000  
Performance Vesting                                      
Equity disclosures                                      
Stock-based compensation expense included in general and administrative expenses                               $ 4,679,000 $ 6,063,000    
Shares granted         168,949         1,655 1,819   244,016            
Increase in authorized capital expenditures to accelerate deployment of certain customer experience enhancing strategic initiatives                           $ 38,800,000          
Price per share (in dollars per share)                                     $ 24.60
Percentage of performance target         122.80%         100.00% 100.00%   100.00%       100.00%    
Service condition term                                 1 year    
RSU and PSU units                                      
Dividends                                      
Vested units withheld for taxes                                 3,131    
Increase (derease) to additional paid-in capital related to stock based compensation                                 $ (107,000)    
Equity disclosures                                      
Restricted stock unit granted (in shares)                               331,573 494,980    
Shares of RSU and PSU                                      
Granted (in shares)                               331,573 494,980    
Vested (in shares)                               (280,844) (493,971)    
Forfeited (in shares)                               (31,503) (1,009)    
Nonvested at the end of the period (in shares)                               19,226      
Weighted Average Grant Date Fair Value                                      
Granted (in dollars per share)                               $ 33.71 $ 22.40    
Vested (in dollars per share)                               33.96 22.41    
Forfeited (in dollars per share)                               33.96 $ 20.18    
Unvested at the end of the period (in dollars per share)                               29.59      
RSU and PSU units | Minimum                                      
Equity disclosures                                      
Price per share (in dollars per share)                               20.18      
RSU and PSU units | Maximum                                      
Equity disclosures                                      
Price per share (in dollars per share)                               $ 33.96      
Chief Executive officer and President | Restricted stock unit                                      
Equity disclosures                                      
Stock-based compensation expense included in general and administrative expenses   $ 549,000                                  
Shares granted   19,226                                  
Estimated grant date fair value   $ 569,000                                  
2013 Equity Incentive Plan | Stock options                                      
Equity disclosures                                      
Number of shares authorized                               9,474,000      
Number of shares remaining available for grant                               8,296,571      
2013 Equity Incentive Plan | Board of Director | Stock options                                      
Equity disclosures                                      
Stock-based compensation expense included in general and administrative expenses                               $ 382,000 $ 226,000    
2013 Equity Incentive Plan | Members of managment and executive officers | Performance Vesting                                      
Equity disclosures                                      
Number of days form the termination of service for settlement of fully vested RSU                         60 days            
2013 Equity Incentive Plan | Members of managment and executive officers | Performance Vesting | Minimum                                      
Equity disclosures                                      
PSUs vesting as a percentage of performance target                         80.00%            
2013 Equity Incentive Plan | Members of managment and executive officers | Performance Vesting | Maximum                                      
Equity disclosures                                      
PSUs vesting as a percentage of performance target                         120.00%            
2013 Equity Incentive Plan | Members of managment and executive officers | Performance Vesting | 30% | Minimum                                      
Equity disclosures                                      
Percentage of performance target                         30.00%            
2013 Equity Incentive Plan | Members of managment and executive officers | Performance Vesting | 150% | Maximum                                      
Equity disclosures                                      
Percentage of performance target                         150.00%            
2013 Equity Incentive Plan | Members of management | Performance Vesting | Maximum                                      
Equity disclosures                                      
Percentage of performance target                 120.00%                    
2013 Equity Incentive Plan | Members of management | Restricted stock unit                                      
Equity disclosures                                      
Stock-based compensation expense included in general and administrative expenses                               $ 2,875,000 2,408,000    
Restricted stock unit granted (in shares)                     118,849   84,649            
Number of days form the termination of service for settlement of fully vested RSU                               60 days      
Shares of RSU and PSU                                      
Granted (in shares)                     118,849   84,649            
2013 Equity Incentive Plan | Executive officers | Restricted stock unit                                      
Equity disclosures                                      
Stock-based compensation expense included in general and administrative expenses                               $ 1,995,000 $ 2,596,000    
Shares granted                               58,749      
Restricted stock unit granted (in shares)                                 128,641    
Shares of RSU and PSU                                      
Granted (in shares)                                 128,641    
2013 Equity Incentive Plan | Executive officers | Restricted stock unit | Performance Vesting                                      
Equity disclosures                                      
Number of days form the termination of service for settlement of fully vested RSU                         60 days            
Class A common stock                                      
STOCKHOLDER'S EQUITY                                      
Tax withholding obligation satisfied by tender of shares                             $ 588,000     $ 588,000  
Dividends                                      
Dividends and dividend equivalents                               $ 17,260,000 $ 12,937,000    
Class A common stock | 2013 Equity Incentive Plan | Stock options | IPO                                      
Equity disclosures                                      
Stock-based compensation expense included in general and administrative expenses                             $ 12,000,000        
Shares granted                             666,675        
Share issued to employees                             360,172        
Shares withheld and cancelled                             306,503        
Fair value of stock at grant date (in dollars per share)                             $ 18.00        
Class A common stock | 2013 Equity Incentive Plan | Board of Director | Stock options                                      
Equity disclosures                                      
Shares granted                         11,035     15,312      
Class A common stock | 2013 Equity Incentive Plan | Members of managment and executive officers | Restricted stock unit                                      
Equity disclosures                                      
Number of shares that will be received under each RSU                               1      
Class B common stock                                      
Dividends                                      
Dividends and dividend equivalents                               $ 60,662,000 45,496,000    
Dividend equivalents                                      
Dividends                                      
Dividends and dividend equivalents                               686,000 71,000    
Wanda                                      
Dividends                                      
Receivable due from related party                               $ 141,000 $ 156,000