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Treasury Stock and Share Based Awards - Summary of Restricted Stock and Restricted Stock Unit Award Activity (Parenthetical) (Details) - USD ($) $ in Millions | 6 Months Ended
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Jun. 30, 2023 | Jun. 30, 2022
Restricted Stock (Member) |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |
Compensation expense | $ 8.3 | $ 8.5
Performance Shares (Member) |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |
Compensation expense | $ 4.2 | 2.6
Cinemark Partners Second [Member] | Restricted Stock Units (RSUs) |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |
Weighted average period remaining | 2 years |
Cinemark Partners Second [Member] | Restricted Stock (Member) |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |
Compensation expense | $ 7.7 | $ 8.0

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- Definition Amount of expense for award under share-based payment arrangement. Excludes amount capitalized. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1)(i) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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- Definition Weighted average period until annuitization or benefit payment is expected to occur, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 20 -Section 55 -Paragraph 15 -URI https://asc.fasb.org/extlink&oid=124504833&loc=d3e7104-158389 + Details
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