Annual report pursuant to Section 13 and 15(d)

Other Investments - Additional Information (Detail)

v3.3.1.900
Other Investments - Additional Information (Detail)
 1 Months Ended 12 Months Ended 24 Months Ended
Dec. 31, 2013
USD ($)
Mar. 31, 2011
$ / shares
Dec. 31, 2015
USD ($)
ProjectionSystem
RenewalOptions
$ / shares
shares
Dec. 31, 2014
USD ($)
$ / shares
Dec. 31, 2013
USD ($)
Dec. 31, 2011
shares
Dec. 31, 2012
USD ($)
Schedule of Equity Method Investments [Line Items]              
Number of options to purchase common stock | shares           1,222,780  
Exercise price of options, per share | $ / shares   $ 0.00667          
Number of shares owned in RealD | shares     1,222,780        
Book value of investment     $ 94,973,000 $ 77,658,000      
Common stock per share | $ / shares     $ 0.001 $ 0.001      
Other Affiliates              
Schedule of Equity Method Investments [Line Items]              
Book value of investment $ 59,657,000   $ 94,973,000 $ 77,658,000 $ 59,657,000   $ 38,201,000
Cash contributions     $ 3,711,000 2,188,000 6,221,000    
Original principal value of promissory note with NCM         8,333,000    
Other Affiliates | Digital Cinema Implementation Partners LLC              
Schedule of Equity Method Investments [Line Items]              
Percentage of voting interest     33.00%        
Economic interest in Digital Cinema Implementation Partners     24.30%        
Digital projection systems leased under operating lease, initial term     12 years        
Number of equipment being leased under master equipment lease agreement | ProjectionSystem     3,781        
Number of one-year fair value renewal options | RenewalOptions     10        
Minimum annual rent per digital projection system     $ 1,000        
Book value of investment 38,033,000   71,579,000 51,277,000 38,033,000   23,012,000
Cash contributions     3,211,000 2,188,000 3,232,000    
Other Affiliates | RealD              
Schedule of Equity Method Investments [Line Items]              
Book value of investment 10,443,000   $ 12,900,000 14,429,000 10,443,000   13,707,000
Common stock per share | $ / shares     $ 10.55        
Other Affiliates | AC JV, LLC              
Schedule of Equity Method Investments [Line Items]              
Book value of investment $ 6,426,000   $ 7,269,000 7,899,000 6,426,000    
Ownership of class A units sold to Founding Members 97.00%            
Cash contributions $ 268,000       $ 268,000    
Ownership of class A units 1.00%            
Ownership of class A units         31.00%    
Aggregate value of Class A units         $ 25,000,000    
Promissory note term         6 years    
Original principal value of promissory note with NCM         $ 8,333,000    
Annual interest rate on promissory note 5.00%       5.00%    
Remaining outstanding balance of note payable     5,555,000        
Other Affiliates | AC JV, LLC | Film rentals and advertising              
Schedule of Equity Method Investments [Line Items]              
Event fees     $ 11,440,000 9,273,000      
Other Affiliates | Digital Cinema Distribution Coalition              
Schedule of Equity Method Investments [Line Items]              
Percentage of voting interest     14.60%        
Book value of investment $ 2,589,000   $ 2,562,000 2,438,000 $ 2,589,000   $ 5,000
Cash contributions         $ 2,721,000    
Payments for content delivery services     $ 807,000 $ 741,000