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Long-Lived Asset Impairment Charges (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Impaired Long-Lived Assets Held and Used [Line Items]
Impairment of long-lived assets	$ 794us-gaap_ImpairmentOfLongLivedAssetsHeldForUse	$ 354us-gaap_ImpairmentOfLongLivedAssetsHeldForUse
U.S. Operating Segment
Impaired Long-Lived Assets Held and Used [Line Items]
Impairment of long-lived assets	794us-gaap_ImpairmentOfLongLivedAssetsHeldForUse / us-gaap_StatementBusinessSegmentsAxis = cnk_UsOperatingSegmentMember	354us-gaap_ImpairmentOfLongLivedAssetsHeldForUse / us-gaap_StatementBusinessSegmentsAxis = cnk_UsOperatingSegmentMember
International Operating Segment
Impaired Long-Lived Assets Held and Used [Line Items]
Impairment of long-lived assets	$ 0us-gaap_ImpairmentOfLongLivedAssetsHeldForUse / us-gaap_StatementBusinessSegmentsAxis = cnk_InternationalOperatingSegmentMember	$ 0us-gaap_ImpairmentOfLongLivedAssetsHeldForUse / us-gaap_StatementBusinessSegmentsAxis = cnk_InternationalOperatingSegmentMember

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- Definition

The aggregate amount of write-downs for impairments recognized during the period for long lived assets held for use (including those held for disposal by means other than sale).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 360

-SubTopic 10

-Section 45

-Paragraph 4

-URI http://asc.fasb.org/extlink&oid=8077374&loc=d3e2420-110228



Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

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-Topic 360

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Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 958

-SubTopic 225

-Section 45

-Paragraph 11

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=28367520&loc=d3e92212-112881



Reference 5: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Impairment

-URI http://asc.fasb.org/extlink&oid=6515133

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