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Investment in National CineMedia LLC - Additional Information (Detail) $ / shares in Units, $ in Thousands | 3 Months Ended
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Mar. 31, 2021 USD ($) $ / shares shares
Schedule Of Equity Method Investments [Line Items] |
Number of additional common units of NCM receive under common unit adjustment agreement | shares | 2,311,482
Number of common units of NCM owned by Company | shares | 40,850,068
Interest in common units of NCM owned by Company | 25.00%
NCM |
Schedule Of Equity Method Investments [Line Items] |
Remaining performance obligations | $ 174,000
Recognized incremental screen rental revenue and offsetting interest expense | 5,835
Amortization of screen advertising advances | $ 7,851
NCM | Minimum |
Schedule Of Equity Method Investments [Line Items] |
Percentage of incremental borrowing rates | 4.40%
NCM | Maximum |
Schedule Of Equity Method Investments [Line Items] |
Percentage of incremental borrowing rates | 8.30%
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 | $ 188,727
NCMI common stock price | $ / shares | $ 4.62

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