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National CineMedia - Additional Information (Detail) | 3 Months Ended |
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Mar. 31, 2020 USD ($) $ / shares shares | Mar. 31, 2019 USD ($) | Dec. 31, 2019 USD ($)
Schedule Of Equity Method Investments [Line Items] |  |  |
Number of additional common units of NCM received under common unit adjustment agreement | shares | 1,112,368 |  |
Value of common units received from NCM | $ 3,620,000 | $ 1,552,000 |
Number of common units of NCM owned by Company | shares | 40,850,068 |  |
Interest in common units of NCM owned by Company | 25.00% |  |
Interest accrued related to significant financing component | $ (5,891,000) |  |
Investment In NCM |  |  |
Schedule Of Equity Method Investments [Line Items] |  |  |
Common unit convertible into share of NCMI common stock, conversion ratio | 1 |  |
Estimated fair value of investment using NCM's stock price | $ 133,171,000 |  |
NCMI common stock price | $ / shares | $ 3.26 |  |
Investment in NCM | $ 265,371,000 |  | $ 265,792,000
NCM |  |  |
Schedule Of Equity Method Investments [Line Items] |  |  |
Proceeds from ESA Modification | $ 174,000,000 |  |
Deferred revenue amortization year and month | 2041-02 |  |
Investment in NCM | $ 265,371,000 |  | $ 265,792,000
Impairment of investment | $ 0 |  |
Deferred revenue or NCM screen advertising advances extended term | 2041-02 |  |
Recognized incremental screen rental revenue and offsetting interest expense |  | $ 4,782,000 |
Interest accrued related to significant financing component | $ 5,891,000 |  |
NCM | Minimum |  |  |
Schedule Of Equity Method Investments [Line Items] |  |  |
Percentage of incremental borrowing rates | 4.30% |  |
NCM | Maximum |  |  |
Schedule Of Equity Method Investments [Line Items] |  |  |
Percentage of incremental borrowing rates | 8.30% |  |

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