Quarterly report pursuant to Section 13 or 15(d)

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

v3.19.3
Summary of Activity for Each of Company's Other Investments (Detail) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2019
Jun. 30, 2019
Mar. 31, 2019
Sep. 30, 2018
Jun. 30, 2018
Mar. 31, 2018
Sep. 30, 2019
Sep. 30, 2018
Schedule Of Equity Method Investments [Line Items]                
Investments, beginning balance     $ 156,766       $ 156,766  
Cash distributions received             (28,163) $ (21,041)
Equity in income $ 15,139     $ 14,158     33,982 29,208
Other comprehensive loss in equity method investments (49) $ (22) (71) $ (63) $ (116) $ 136 (142) (43)
Investments, ending balance 166,033           166,033  
Digital Cinema Implementation Partners                
Schedule Of Equity Method Investments [Line Items]                
Cash distributions received [1] (2,694)           (7,912) $ (5,201)
Other Affiliates                
Schedule Of Equity Method Investments [Line Items]                
Investments, beginning balance     156,766       156,766  
Cash distributions received             (9,712)  
Equity in income             19,920  
Other comprehensive loss in equity method investments             (142)  
Other             (799)  
Investments, ending balance 166,033           166,033  
Other Affiliates | Digital Cinema Implementation Partners                
Schedule Of Equity Method Investments [Line Items]                
Investments, beginning balance     125,252       125,252  
Cash distributions received             (7,912)  
Equity in income             17,024  
Other comprehensive loss in equity method investments             (142)  
Other             0  
Investments, ending balance 134,222           134,222  
Other Affiliates | AC JV, LLC                
Schedule Of Equity Method Investments [Line Items]                
Investments, beginning balance     5,266       5,266  
Cash distributions received             (1,800)  
Equity in income             2,185  
Other comprehensive loss in equity method investments             0  
Other             0  
Investments, ending balance 5,651           5,651  
Other Affiliates | Digital Cinema Distribution Coalition                
Schedule Of Equity Method Investments [Line Items]                
Investments, beginning balance     2,255       2,255  
Cash distributions received             0  
Equity in income             777  
Other comprehensive loss in equity method investments             0  
Other             0  
Investments, ending balance 3,032           3,032  
Other Affiliates | FE Concepts, LLC                
Schedule Of Equity Method Investments [Line Items]                
Investments, beginning balance     19,918       19,918  
Cash distributions received             0  
Equity in income             (66)  
Other comprehensive loss in equity method investments             0  
Other             0  
Investments, ending balance 19,852           19,852  
Other Affiliates | Other Investments                
Schedule Of Equity Method Investments [Line Items]                
Investments, beginning balance     $ 4,075       4,075  
Cash distributions received             0  
Equity in income             0  
Other comprehensive loss in equity method investments             0  
Other             (799)  
Investments, ending balance $ 3,276           $ 3,276  
[1] See discussion of cash distributions from DCIP, which were recorded as a reduction of the Company’s investment in DCIP, at Note 9.