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Summary of Long-Lived Asset Impairment Losses (Detail) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Impaired Long Lived Assets Held And Used [Line Items] |  |  |  |  |
Impairment | [1] |  | $ 16,128 |  |
Total impairment |  | $ 20,845 | 152,706 |  | $ 57,001
Investment In Ncm [Member] |  |  |  |  |
Impaired Long Lived Assets Held And Used [Line Items] |  |  |  |  |
Total impairment | [2] |  | (92,655) |  |
Us Operating Segment [Member] |  |  |  |  |
Impaired Long Lived Assets Held And Used [Line Items] |  |  |  |  |
Theatre properties |  | 6,371 | 12,398 |  | 36,005
Theatre operating lease right-of-use assets |  | 6,804 | 13,216 |  | 10,457
Cost method investment |  | 0 | 2,500 |  | 0
Total impairment |  | 13,175 | 120,769 |  | 46,462
Us Operating Segment [Member] | Investment In Ncm [Member] |  |  |  |  |
Impaired Long Lived Assets Held And Used [Line Items] |  |  |  |  |
Investment |  |  | 92,655 | [3] |
International Operating Segment [Member] |  |  |  |  |
Impaired Long Lived Assets Held And Used [Line Items] |  |  |  |  |
Theatre properties |  | 4,002 | 9,951 |  | 8,821
Theatre operating lease right-of-use assets |  | 3,210 | 5,025 |  | 1,718
Impairment |  |  | 16,128 | [1] |
Intangible assets |  | 458 | 833 |  |
Total impairment |  | $ 7,670 | $ 31,937 |  | $ 10,539
[1] | See Note 11 for discussion of impairment evaluations performed during the year ended December 31, 2020.
[2] | Recorded in impairment of long-lived and other assets on the consolidated income statement for the year ended December 31, 2020. See further discussion at Fair Value of Investment in NCM below. (3) Excess cash distributions from NCM decreased beginning in the second quarter of 2020 primarily as a result of the impact of the COVID-19 discussed at Note 3. Excess cash distributions will be restricted through December 2023 in accordance with the credit agreement amendment NCM recently entered into with its lenders.
[3] | See Note 8 for discussion of investment in NCM.

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- Definition Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3602-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=123351718&loc=d3e2420-110228 + Details
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- Definition This item represents an other than temporary decline in value that has been recognized against an investment accounted for under the equity method of accounting. The excess of the carrying amount over the fair value of the investment represents the amount of the write down which is or was reflected in earnings. The written down value is a new cost basis with the adjusted value of the investment becoming its new carrying value subject to the equity accounting method. Evidence of a loss in value might include, but would not necessarily be limited to, absence of an ability to recover the carrying amount of the investment or inability of the investee to sustain an earnings capacity which would justify the carrying amount of the investment. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 35 -Paragraph 32 -URI http://asc.fasb.org/extlink&oid=124268079&loc=d3e32787-111569 + Details
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- Definition The amount by which the fair value of an investment is less than the amortized cost basis or carrying amount of that investment at the balance sheet date and the decline in fair value is deemed to be other than temporary, before considering whether or not such amount is recognized in earnings or other comprehensive income. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 8A -URI http://asc.fasb.org/extlink&oid=124260329&loc=SL6284422-111562 + Details
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