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Summary of Activity with NCM Included in Company's Consolidated Financial Statements (Detail) - USD ($) | 3 Months Ended
--- | ---
Mar. 31, 2023 | Mar. 31, 2022
Schedule Of Equity Method Investments [Line Items] |  |  |
Impairment of other assets |  | $ 700,000 | $ 0
Investment In NCMI |  |  |
Schedule Of Equity Method Investments [Line Items] |  |  |
Beginning Balance |  | 9,600,000 |
Redemption of common units of NCM for common stock of NCMI |  | 0 |
Impairment of other assets |  | (700,000) |
Equity in loss | [1] | (3,200,000) |
Ending Balance |  | 5,700,000 |
N C M Screen Advertising Advances |  |  |
Schedule Of Equity Method Investments [Line Items] |  |  |
Beginning Balance |  | (338,200,000) |
Interest accrued related to significant financing component | [2] | 5,700,000 |
Amortization of screen advertising advances |  | 8,100,000 |
Ending Balance |  | (335,800,000) |
Equity in Loss |  |  |
Schedule Of Equity Method Investments [Line Items] |  |  |
Beginning Balance | [1] | 0 |
Equity in loss | [1] | 3,200,000 |
Ending Balance | [1] | (3,200,000) |
Other Revenues |  |  |
Schedule Of Equity Method Investments [Line Items] |  |  |
Beginning Balance | [3] | 0 |
Screen rental revenue earned under ESA | [3],[4] | (4,800,000) |
Amortization of screen advertising advances | [3] | (8,100,000) |
Ending Balance | [3] | (12,900,000) |
Interest Expense - NCM |  |  |
Schedule Of Equity Method Investments [Line Items] |  |  |
Beginning Balance |  | 0 |
Interest accrued related to significant financing component |  | (5,700,000) |
Ending Balance |  | $ 5,700,000 |
[1] | Equity in loss is recorded one month in arrears.
[2] | See Note 8 for the maturity of NCM screen advertising advances as of March 31, 2023.
[3] | The Company had a receivable from NCM of $4.8 as of March 31, 2023
[4] | Amounts include the per patron and per digital screen theatre access fees, net of amounts due to NCM for on-screen advertising time provided to the Company's beverage concessionaire of approximately $1.8.

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