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Other Investments - Additional Information (Detail) $ in Thousands | 3 Months Ended
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Mar. 31, 2021 USD ($) Studio | Mar. 31, 2020 USD ($)
Schedule Of Equity Method Investments [Line Items] |  |
Total revenues | $ 114,361 | $ 543,616
Maximum |  |
Schedule Of Equity Method Investments [Line Items] |  |
Percentage of voting interest | 50.00% |
Minimum |  |
Schedule Of Equity Method Investments [Line Items] |  |
Percentage of voting interest | 20.00% |
Digital Cinema Implementation Partners |  |
Schedule Of Equity Method Investments [Line Items] |  |
Percentage of voting interest | 33.00% |
Economic interest in Digital Cinema Implementation Partners | 24.30% |
Description of digital cinema deployment agreements | The DCDAs end on the earlier to occur of (i) the tenth anniversary of the "mean deployment date" for all digital projection systems scheduled to be deployed over a period of up to five years, or (ii) the date DCIP achieves "cost recoupment", each as defined in the DCDAs. |
Number of major motion picture studio, long-term digital cinema deployment agreements | Studio | 6 |
Digital Cinema Implementation Partners | Maximum |  |
Schedule Of Equity Method Investments [Line Items] |  |
Deployment period of digital cinema deployment agreements | 5 years |
AC JV, LLC | Film rentals and advertising |  |
Schedule Of Equity Method Investments [Line Items] |  |
Event fees | $ 230 | 1,673
Digital Cinema Distribution Coalition |  |
Schedule Of Equity Method Investments [Line Items] |  |
Percentage of voting interest | 14.60% |
Payments for content delivery services | $ 64 | 105
CNMK Texas Properties, LLC | AWSR Investments, LLC |  |
Schedule Of Equity Method Investments [Line Items] |  |
Percentage of voting interest | 50.00% |
CNMK Texas Properties, LLC | AWSR Investments, LLC | Theatre Services |  |
Schedule Of Equity Method Investments [Line Items] |  |
Total revenues | $ 16 | $ 10

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