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Related Party Transactions - Additional Information (Detail) $ in Thousands | 9 Months Ended
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Sep. 30, 2021 USD ($) Theatre Lease | Sep. 30, 2020 USD ($)
FE Concepts, LLC |  |
Related Party Transaction [Line Items] |  |
Percentage of voting interest | 50.00% |
Laredo Theatre, Ltd |  |
Related Party Transaction [Line Items] |  |
Company's interest in Laredo | 75.00% |
Lone Star Theatre's interest in Laredo | 25.00% |
Ownership interest held by David Roberts | 100.00% |
Percentage of common stock held by Chairman of the Board of Directors | 9.00% |
Percentage of management fees based on theatre revenues | 5.00% |
Management fee revenues | $ 222 | $ 123
Copper Beech Capital LLC |  |
Related Party Transaction [Line Items] |  |
Amount paid for the use of aircraft | $ 0 | 12
Syufy Enterprises, LP |  |
Related Party Transaction [Line Items] |  |
Number of theatres leased | Theatre | 14 |
Total number of leases | Lease | 14 |
Number of leases with minimum annual rent | Lease | 12 |
Number of leases without minimum annual rent | Lease | 2 |
Total rent paid to Syufy | $ 17,893 | $ 17,271
Walter Hebert |  |
Related Party Transaction [Line Items] |  |
Consulting Services Paid | $ 62 |

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