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Summary of Goodwill (Detail) (USD $) In Thousands, unless otherwise specified | 3 Months Ended
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Mar. 31, 2015
Goodwill [Line Items] |  |
Beginning Balance | $ 1,277,383 us-gaap_Goodwill | [1]
Foreign currency translation adjustments | (11,958)us-gaap_GoodwillTranslationAdjustments |
Ending Balance | 1,265,425 us-gaap_Goodwill | [1]
U.S. Operating Segment |  |
Goodwill [Line Items] |  |
Beginning Balance | 1,156,556 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = cnk_UsOperatingSegmentMember | [1]
Foreign currency translation adjustments | 0 us-gaap_GoodwillTranslationAdjustments / us-gaap_StatementBusinessSegmentsAxis = cnk_UsOperatingSegmentMember |
Ending Balance | 1,156,556 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = cnk_UsOperatingSegmentMember | [1]
International Operating Segment |  |
Goodwill [Line Items] |  |
Beginning Balance | 120,827 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = cnk_InternationalOperatingSegmentMember | [1]
Foreign currency translation adjustments | (11,958)us-gaap_GoodwillTranslationAdjustments / us-gaap_StatementBusinessSegmentsAxis = cnk_InternationalOperatingSegmentMember |
Ending Balance | $ 108,869 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = cnk_InternationalOperatingSegmentMember | [1]
[1] | Balances are presented net of accumulated impairment losses of $214,031 for the U.S. operating segment and $27,622 for the international operating segment.

X
- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266 + Details
Name: | us-gaap_Goodwill
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Amount of increase (decrease) from foreign currency translation adjustments of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=cnk_InternationalOperatingSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |