Quarterly report pursuant to Section 13 or 15(d)

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

v3.20.2
Summary of Activity for Each of Company's Other Investments (Detail) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Schedule Of Equity Method Investments [Line Items]        
Investments, beginning balance     $ 155,285  
Cash distributions received     (25,430) $ (28,163)
Equity in loss $ (16,077) $ 15,139 (27,711) 33,982
Investments, ending balance 118,589   118,589  
Digital Cinema Implementation Partners        
Schedule Of Equity Method Investments [Line Items]        
Cash distributions received [1]   $ (2,694) (10,383) $ (7,912)
Other Affiliates        
Schedule Of Equity Method Investments [Line Items]        
Investments, beginning balance     155,285  
Cash distributions received     (11,261)  
Equity in loss     (22,901)  
Other     (2,534)  
Investments, ending balance 118,589   118,589  
Other Affiliates | Digital Cinema Implementation Partners        
Schedule Of Equity Method Investments [Line Items]        
Investments, beginning balance     124,696  
Cash distributions received     (10,383)  
Equity in loss     (20,083)  
Other     50  
Investments, ending balance 94,280   94,280  
Other Affiliates | AC JV, LLC        
Schedule Of Equity Method Investments [Line Items]        
Investments, beginning balance     5,022  
Equity in loss     (618)  
Investments, ending balance 4,404   4,404  
Other Affiliates | Digital Cinema Distribution Coalition        
Schedule Of Equity Method Investments [Line Items]        
Investments, beginning balance     3,169  
Cash distributions received     (878)  
Equity in loss     (1,197)  
Investments, ending balance 1,094   1,094  
Other Affiliates | FE Concepts, LLC        
Schedule Of Equity Method Investments [Line Items]        
Investments, beginning balance     19,519  
Equity in loss     (1,003)  
Investments, ending balance 18,516   18,516  
Other Affiliates | Other Investments        
Schedule Of Equity Method Investments [Line Items]        
Investments, beginning balance     2,879  
Other     (2,584)  
Investments, ending balance $ 295   $ 295  
[1] See discussion of cash distributions from DCIP, which were recorded as a reduction of the Company’s investment in DCIP, at Note 10. These distributions are reported entirely within the U.S. operating segment.