Annual report pursuant to Section 13 and 15(d)

Summary of Activity for Each of Company's Other Investments (Detail)

v3.10.0.1
Summary of Activity for Each of Company's Other Investments (Detail) - USD ($)
$ in Thousands
1 Months Ended 12 Months Ended
Dec. 31, 2013
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Schedule Of Equity Method Investments [Line Items]        
Investments, beginning balance   $ 120,045    
Equity in income (loss)   39,242 $ 35,985 $ 31,962
Cash distributions received [1]   (30,143) (25,973) (21,916)
Investments, ending balance   156,766 120,045  
AC JV, LLC        
Schedule Of Equity Method Investments [Line Items]        
Cash contributions $ 268      
Other Affiliates        
Schedule Of Equity Method Investments [Line Items]        
Investments, beginning balance   120,045 98,317 94,973
Cash contributions   22,076 3,715 1,132
Equity in income (loss)   25,400 26,435 22,615
Equity in comprehensive income (loss)   (139) 248 89
Sale of investment [2]       (12,900)
Cash distributions received   (7,938) (8,615) (7,698)
Other   (2,678) [3] (55) 106 [3]
Investments, ending balance   156,766 120,045 98,317
Other Affiliates | Digital Cinema Implementation Partners        
Schedule Of Equity Method Investments [Line Items]        
Investments, beginning balance   106,215 87,819 71,579
Cash contributions   2,076 1,112 717
Equity in income (loss)   22,899 22,900 21,434
Equity in comprehensive income (loss)   (139) 248 89
Cash distributions received   (5,799) (5,864) (6,000)
Investments, ending balance   125,252 106,215 87,819
Other Affiliates | RealD        
Schedule Of Equity Method Investments [Line Items]        
Investments, beginning balance       12,900
Sale of investment [2]       (12,900)
Other Affiliates | AC JV, LLC        
Schedule Of Equity Method Investments [Line Items]        
Investments, beginning balance   5,916 5,980 7,269
Equity in income (loss)   1,270 2,336 311
Cash distributions received   (1,920) (2,400) (1,600)
Investments, ending balance   5,266 5,916 5,980
Other Affiliates | Digital Cinema Distribution Coalition        
Schedule Of Equity Method Investments [Line Items]        
Investments, beginning balance   3,598 2,750 2,562
Equity in income (loss)   1,313 1,199 870
Cash distributions received   (219) (351) (98)
Other [3]   (2,437)   (584)
Investments, ending balance   2,255 3,598 2,750
Other Affiliates | FE Concepts, LLC        
Schedule Of Equity Method Investments [Line Items]        
Investments, beginning balance   104    
Cash contributions   20,000 104  
Equity in income (loss)   (82)    
Other [3]   (104)    
Investments, ending balance   19,918 104  
Other Affiliates | Other Investments        
Schedule Of Equity Method Investments [Line Items]        
Investments, beginning balance   4,212 1,768 663
Cash contributions     2,499 415
Other   (137) [3] (55) 690 [3]
Investments, ending balance   $ 4,075 $ 4,212 $ 1,768
[1] Includes distributions received from equity investees that were recorded as a reduction of the respective investment balances.
[2] See further discussion of the sale of the investment held by the Company under RealD, Inc. below.
[3] Other activity for DCDC for the years ended December 31, 2016 and 2018 consisted of returns of capital originally contributed by the Company