<?xml version='1.0' encoding='utf-8'?>
<FilingSummary>
  <Version>3.19.3.a.u2</Version>
  <ProcessingTime/>
  <ReportFormat>html</ReportFormat>
  <ContextCount>535</ContextCount>
  <ElementCount>746</ElementCount>
  <EntityCount>1</EntityCount>
  <FootnotesReported>true</FootnotesReported>
  <SegmentCount>134</SegmentCount>
  <ScenarioCount>0</ScenarioCount>
  <TuplesReported>false</TuplesReported>
  <UnitCount>12</UnitCount>
  <MyReports>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R1.htm</HtmlFileName>
      <LongName>100000 - Document - Document and Entity Information</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/DocumentDocumentAndEntityInformation</Role>
      <ShortName>Document and Entity Information</ShortName>
      <MenuCategory>Cover</MenuCategory>
      <Position>1</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R2.htm</HtmlFileName>
      <LongName>100010 - Statement - CONSOLIDATED BALANCE SHEETS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/StatementCONSOLIDATEDBALANCESHEETS</Role>
      <ShortName>CONSOLIDATED BALANCE SHEETS</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>2</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R3.htm</HtmlFileName>
      <LongName>100020 - Statement - CONSOLIDATED BALANCE SHEETS (Parenthetical)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/StatementCONSOLIDATEDBALANCESHEETSParenthetical</Role>
      <ShortName>CONSOLIDATED BALANCE SHEETS (Parenthetical)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>3</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R4.htm</HtmlFileName>
      <LongName>100030 - Statement - CONSOLIDATED STATEMENTS OF INCOME</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/StatementCONSOLIDATEDSTATEMENTSOFINCOME</Role>
      <ShortName>CONSOLIDATED STATEMENTS OF INCOME</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>4</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R5.htm</HtmlFileName>
      <LongName>100040 - Statement - CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/StatementCONSOLIDATEDSTATEMENTSOFCOMPREHENSIVEINCOME</Role>
      <ShortName>CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>5</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R6.htm</HtmlFileName>
      <LongName>100050 - Statement - CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Parenthetical)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/StatementCONSOLIDATEDSTATEMENTSOFCOMPREHENSIVEINCOMEParenthetical</Role>
      <ShortName>CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Parenthetical)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>6</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R7.htm</HtmlFileName>
      <LongName>100060 - Statement - CONSOLIDATED STATEMENTS OF EQUITY</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/StatementCONSOLIDATEDSTATEMENTSOFEQUITY</Role>
      <ShortName>CONSOLIDATED STATEMENTS OF EQUITY</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>7</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R8.htm</HtmlFileName>
      <LongName>100070 - Statement - CONSOLIDATED STATEMENTS OF EQUITY (Parenthetical)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/StatementCONSOLIDATEDSTATEMENTSOFEQUITYParenthetical</Role>
      <ShortName>CONSOLIDATED STATEMENTS OF EQUITY (Parenthetical)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>8</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R9.htm</HtmlFileName>
      <LongName>100080 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/StatementCONSOLIDATEDSTATEMENTSOFCASHFLOWS</Role>
      <ShortName>CONSOLIDATED STATEMENTS OF CASH FLOWS</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>9</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R10.htm</HtmlFileName>
      <LongName>100090 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/DisclosureSUMMARYOFSIGNIFICANTACCOUNTINGPOLICIES</Role>
      <ShortName>SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>10</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R11.htm</HtmlFileName>
      <LongName>100100 - Disclosure - New Accounting Pronouncements</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/DisclosureNewAccountingPronouncements</Role>
      <ShortName>New Accounting Pronouncements</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>11</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R12.htm</HtmlFileName>
      <LongName>100110 - Disclosure - Adoption of ASC Topic 842 - Lease Accounting</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/DisclosureAdoptionOfASCTopic842LeaseAccounting</Role>
      <ShortName>Adoption of ASC Topic 842 - Lease Accounting</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>12</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R13.htm</HtmlFileName>
      <LongName>100120 - Disclosure - REVENUE RECOGNITION</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/DisclosureREVENUERECOGNITION</Role>
      <ShortName>REVENUE RECOGNITION</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>13</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R14.htm</HtmlFileName>
      <LongName>100130 - Disclosure - Earnings Per Share</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/DisclosureEarningsPerShare</Role>
      <ShortName>Earnings Per Share</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>14</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R15.htm</HtmlFileName>
      <LongName>100140 - Disclosure - DIVIDENDS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/DisclosureDIVIDENDS</Role>
      <ShortName>DIVIDENDS</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>15</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R16.htm</HtmlFileName>
      <LongName>100150 - Disclosure - INVESTMENT IN NATIONAL CINEMEDIA LLC</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/DisclosureINVESTMENTINNATIONALCINEMEDIALLC</Role>
      <ShortName>INVESTMENT IN NATIONAL CINEMEDIA LLC</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>16</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R17.htm</HtmlFileName>
      <LongName>100160 - Disclosure - Other Investments</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/DisclosureOtherInvestments</Role>
      <ShortName>Other Investments</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>17</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R18.htm</HtmlFileName>
      <LongName>100170 - Disclosure - GOODWILL AND OTHER INTANGIBLE ASSETS - NET</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/DisclosureGOODWILLANDOTHERINTANGIBLEASSETSNET</Role>
      <ShortName>GOODWILL AND OTHER INTANGIBLE ASSETS - NET</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>18</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R19.htm</HtmlFileName>
      <LongName>100180 - Disclosure - IMPAIRMENT OF LONG-LIVED ASSETS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/DisclosureIMPAIRMENTOFLONGLIVEDASSETS</Role>
      <ShortName>IMPAIRMENT OF LONG-LIVED ASSETS</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>19</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R20.htm</HtmlFileName>
      <LongName>100190 - Disclosure - DEFERRED CHARGES AND OTHER ASSETS - NET</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/DisclosureDEFERREDCHARGESANDOTHERASSETSNET</Role>
      <ShortName>DEFERRED CHARGES AND OTHER ASSETS - NET</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>20</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R21.htm</HtmlFileName>
      <LongName>100200 - Disclosure - LONG-TERM DEBT</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/DisclosureLONGTERMDEBT</Role>
      <ShortName>LONG-TERM DEBT</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>21</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R22.htm</HtmlFileName>
      <LongName>100210 - Disclosure - Fair Value Measurements</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/DisclosureFairValueMeasurements</Role>
      <ShortName>Fair Value Measurements</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>22</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R23.htm</HtmlFileName>
      <LongName>100220 - Disclosure - Foreign Currency Translation</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/DisclosureForeignCurrencyTranslation</Role>
      <ShortName>Foreign Currency Translation</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>23</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R24.htm</HtmlFileName>
      <LongName>100230 - Disclosure - NONCONTROLLING INTERESTS IN SUBSIDIARIES</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/DisclosureNONCONTROLLINGINTERESTSINSUBSIDIARIES</Role>
      <ShortName>NONCONTROLLING INTERESTS IN SUBSIDIARIES</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>24</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R25.htm</HtmlFileName>
      <LongName>100240 - Disclosure - CAPITAL STOCK</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/DisclosureCAPITALSTOCK</Role>
      <ShortName>CAPITAL STOCK</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>25</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R26.htm</HtmlFileName>
      <LongName>100250 - Disclosure - SUPPLEMENTAL CASH FLOW INFORMATION</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/DisclosureSUPPLEMENTALCASHFLOWINFORMATION</Role>
      <ShortName>SUPPLEMENTAL CASH FLOW INFORMATION</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>26</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R27.htm</HtmlFileName>
      <LongName>100260 - Disclosure - INCOME TAXES</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/DisclosureINCOMETAXES</Role>
      <ShortName>INCOME TAXES</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>27</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R28.htm</HtmlFileName>
      <LongName>100270 - Disclosure - COMMITMENTS AND CONTINGENCIES</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/DisclosureCOMMITMENTSANDCONTINGENCIES</Role>
      <ShortName>COMMITMENTS AND CONTINGENCIES</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>28</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R29.htm</HtmlFileName>
      <LongName>100280 - Disclosure - SEGMENTS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/DisclosureSEGMENTS</Role>
      <ShortName>SEGMENTS</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>29</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R30.htm</HtmlFileName>
      <LongName>100290 - Disclosure - Related Party Transactions</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/DisclosureRelatedPartyTransactions</Role>
      <ShortName>Related Party Transactions</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>30</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R31.htm</HtmlFileName>
      <LongName>100300 - Disclosure - VALUATION AND QUALIFYING ACCOUNTS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/DisclosureVALUATIONANDQUALIFYINGACCOUNTS</Role>
      <ShortName>VALUATION AND QUALIFYING ACCOUNTS</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>31</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R32.htm</HtmlFileName>
      <LongName>100310 - Disclosure - QUARTERLY FINANCIAL INFORMATION (UNAUDITED)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/DisclosureQUARTERLYFINANCIALINFORMATIONUNAUDITED</Role>
      <ShortName>QUARTERLY FINANCIAL INFORMATION (UNAUDITED)</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>32</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R33.htm</HtmlFileName>
      <LongName>100320 - Disclosure - SUBSEQUENT EVENTS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/DisclosureSUBSEQUENTEVENTS</Role>
      <ShortName>SUBSEQUENT EVENTS</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>33</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R34.htm</HtmlFileName>
      <LongName>100330 - Disclosure - CONDENSED FINANCIAL INFORMATION OF REGISTRANT</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/DisclosureCONDENSEDFINANCIALINFORMATIONOFREGISTRANT</Role>
      <ShortName>CONDENSED FINANCIAL INFORMATION OF REGISTRANT</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>34</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R35.htm</HtmlFileName>
      <LongName>100340 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/DisclosureSUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESPolicies</Role>
      <ShortName>SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies)</ShortName>
      <MenuCategory>Policies</MenuCategory>
      <ParentRole>http://www.cinemark.com/20191231/taxonomy/role/DisclosureNewAccountingPronouncements</ParentRole>
      <Position>35</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R36.htm</HtmlFileName>
      <LongName>100350 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/DisclosureSUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESTables</Role>
      <ShortName>SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.cinemark.com/20191231/taxonomy/role/DisclosureSUMMARYOFSIGNIFICANTACCOUNTINGPOLICIES</ParentRole>
      <Position>36</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R37.htm</HtmlFileName>
      <LongName>100360 - Disclosure - Adoption of ASC Topic 842 - Lease Accounting (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/DisclosureAdoptionOfASCTopic842LeaseAccountingTables</Role>
      <ShortName>Adoption of ASC Topic 842 - Lease Accounting (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.cinemark.com/20191231/taxonomy/role/DisclosureAdoptionOfASCTopic842LeaseAccounting</ParentRole>
      <Position>37</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R38.htm</HtmlFileName>
      <LongName>100370 - Disclosure - REVENUE RECOGNITION (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/DisclosureREVENUERECOGNITIONTables</Role>
      <ShortName>REVENUE RECOGNITION (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.cinemark.com/20191231/taxonomy/role/DisclosureREVENUERECOGNITION</ParentRole>
      <Position>38</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R39.htm</HtmlFileName>
      <LongName>100380 - Disclosure - Earnings Per Share (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/DisclosureEarningsPerShareTables</Role>
      <ShortName>Earnings Per Share (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.cinemark.com/20191231/taxonomy/role/DisclosureEarningsPerShare</ParentRole>
      <Position>39</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R40.htm</HtmlFileName>
      <LongName>100390 - Disclosure - DIVIDENDS (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/DisclosureDIVIDENDSTables</Role>
      <ShortName>DIVIDENDS (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.cinemark.com/20191231/taxonomy/role/DisclosureDIVIDENDS</ParentRole>
      <Position>40</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R41.htm</HtmlFileName>
      <LongName>100400 - Disclosure - INVESTMENT IN NATIONAL CINEMEDIA LLC (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/DisclosureINVESTMENTINNATIONALCINEMEDIALLCTables</Role>
      <ShortName>INVESTMENT IN NATIONAL CINEMEDIA LLC (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.cinemark.com/20191231/taxonomy/role/DisclosureINVESTMENTINNATIONALCINEMEDIALLC</ParentRole>
      <Position>41</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R42.htm</HtmlFileName>
      <LongName>100410 - Disclosure - Other Investments (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/DisclosureOtherInvestmentsTables</Role>
      <ShortName>Other Investments (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.cinemark.com/20191231/taxonomy/role/DisclosureOtherInvestments</ParentRole>
      <Position>42</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R43.htm</HtmlFileName>
      <LongName>100420 - Disclosure - GOODWILL AND OTHER INTANGIBLE ASSETS - NET (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/DisclosureGOODWILLANDOTHERINTANGIBLEASSETSNETTables</Role>
      <ShortName>GOODWILL AND OTHER INTANGIBLE ASSETS - NET (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.cinemark.com/20191231/taxonomy/role/DisclosureGOODWILLANDOTHERINTANGIBLEASSETSNET</ParentRole>
      <Position>43</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R44.htm</HtmlFileName>
      <LongName>100430 - Disclosure - IMPAIRMENT OF LONG-LIVED ASSETS (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/DisclosureIMPAIRMENTOFLONGLIVEDASSETSTables</Role>
      <ShortName>IMPAIRMENT OF LONG-LIVED ASSETS (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.cinemark.com/20191231/taxonomy/role/DisclosureIMPAIRMENTOFLONGLIVEDASSETS</ParentRole>
      <Position>44</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R45.htm</HtmlFileName>
      <LongName>100440 - Disclosure - DEFERRED CHARGES AND OTHER ASSETS - NET (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/DisclosureDEFERREDCHARGESANDOTHERASSETSNETTables</Role>
      <ShortName>DEFERRED CHARGES AND OTHER ASSETS - NET (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.cinemark.com/20191231/taxonomy/role/DisclosureDEFERREDCHARGESANDOTHERASSETSNET</ParentRole>
      <Position>45</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R46.htm</HtmlFileName>
      <LongName>100450 - Disclosure - LONG-TERM DEBT (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/DisclosureLONGTERMDEBTTables</Role>
      <ShortName>LONG-TERM DEBT (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.cinemark.com/20191231/taxonomy/role/DisclosureLONGTERMDEBT</ParentRole>
      <Position>46</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R47.htm</HtmlFileName>
      <LongName>100460 - Disclosure - Fair Value Measurements (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/DisclosureFairValueMeasurementsTables</Role>
      <ShortName>Fair Value Measurements (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.cinemark.com/20191231/taxonomy/role/DisclosureFairValueMeasurements</ParentRole>
      <Position>47</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R48.htm</HtmlFileName>
      <LongName>100470 - Disclosure - FOREIGN CURRENCY TRANSLATION (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/DisclosureFOREIGNCURRENCYTRANSLATIONTables</Role>
      <ShortName>FOREIGN CURRENCY TRANSLATION (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <Position>48</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R49.htm</HtmlFileName>
      <LongName>100480 - Disclosure - NONCONTROLLING INTERESTS IN SUBSIDIARIES (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/DisclosureNONCONTROLLINGINTERESTSINSUBSIDIARIESTables</Role>
      <ShortName>NONCONTROLLING INTERESTS IN SUBSIDIARIES (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.cinemark.com/20191231/taxonomy/role/DisclosureNONCONTROLLINGINTERESTSINSUBSIDIARIES</ParentRole>
      <Position>49</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R50.htm</HtmlFileName>
      <LongName>100490 - Disclosure - CAPITAL STOCK (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/DisclosureCAPITALSTOCKTables</Role>
      <ShortName>CAPITAL STOCK (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.cinemark.com/20191231/taxonomy/role/DisclosureCAPITALSTOCK</ParentRole>
      <Position>50</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R51.htm</HtmlFileName>
      <LongName>100500 - Disclosure - SUPPLEMENTAL CASH FLOW INFORMATION (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/DisclosureSUPPLEMENTALCASHFLOWINFORMATIONTables</Role>
      <ShortName>SUPPLEMENTAL CASH FLOW INFORMATION (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.cinemark.com/20191231/taxonomy/role/DisclosureSUPPLEMENTALCASHFLOWINFORMATION</ParentRole>
      <Position>51</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R52.htm</HtmlFileName>
      <LongName>100510 - Disclosure - INCOME TAXES (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/DisclosureINCOMETAXESTables</Role>
      <ShortName>INCOME TAXES (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.cinemark.com/20191231/taxonomy/role/DisclosureINCOMETAXES</ParentRole>
      <Position>52</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R53.htm</HtmlFileName>
      <LongName>100520 - Disclosure - SEGMENTS (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/DisclosureSEGMENTSTables</Role>
      <ShortName>SEGMENTS (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.cinemark.com/20191231/taxonomy/role/DisclosureSEGMENTS</ParentRole>
      <Position>53</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R54.htm</HtmlFileName>
      <LongName>100530 - Disclosure - VALUATION AND QUALIFYING ACCOUNTS (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/DisclosureVALUATIONANDQUALIFYINGACCOUNTSTables</Role>
      <ShortName>VALUATION AND QUALIFYING ACCOUNTS (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.cinemark.com/20191231/taxonomy/role/DisclosureVALUATIONANDQUALIFYINGACCOUNTS</ParentRole>
      <Position>54</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R55.htm</HtmlFileName>
      <LongName>100540 - Disclosure - QUARTERLY FINANCIAL INFORMATION (UNAUDITED) (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/DisclosureQUARTERLYFINANCIALINFORMATIONUNAUDITEDTables</Role>
      <ShortName>QUARTERLY FINANCIAL INFORMATION (UNAUDITED) (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.cinemark.com/20191231/taxonomy/role/DisclosureQUARTERLYFINANCIALINFORMATIONUNAUDITED</ParentRole>
      <Position>55</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R56.htm</HtmlFileName>
      <LongName>100550 - Disclosure - Summary of Significant Accounting Policies - Additional Information (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/DisclosureSummaryOfSignificantAccountingPoliciesAdditionalInformationDetail</Role>
      <ShortName>Summary of Significant Accounting Policies - Additional Information (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>56</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R57.htm</HtmlFileName>
      <LongName>100560 - Disclosure - Estimated Useful Lives of Assets (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/DisclosureEstimatedUsefulLivesOfAssetsDetail</Role>
      <ShortName>Estimated Useful Lives of Assets (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>57</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R58.htm</HtmlFileName>
      <LongName>100570 - Disclosure - Estimated Useful Lives of Assets (Parenthetical) (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/DisclosureEstimatedUsefulLivesOfAssetsParentheticalDetail</Role>
      <ShortName>Estimated Useful Lives of Assets (Parenthetical) (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>58</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R59.htm</HtmlFileName>
      <LongName>100580 - Disclosure - Intangible Assets and Amortization Method (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/DisclosureIntangibleAssetsAndAmortizationMethodDetail</Role>
      <ShortName>Intangible Assets and Amortization Method (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>59</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R60.htm</HtmlFileName>
      <LongName>100590 - Disclosure - Adoption of ASC Topic 842 - Lease Accounting - Additional Information (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/DisclosureAdoptionOfASCTopic842LeaseAccountingAdditionalInformationDetail</Role>
      <ShortName>Adoption of ASC Topic 842 - Lease Accounting - Additional Information (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>60</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R61.htm</HtmlFileName>
      <LongName>100600 - Disclosure - Schedule of Operating and Finance Right-of-Use Assets and Lease Liabilities (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/DisclosureScheduleOfOperatingAndFinanceRightOfUseAssetsAndLeaseLiabilitiesDetail</Role>
      <ShortName>Schedule of Operating and Finance Right-of-Use Assets and Lease Liabilities (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>61</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R62.htm</HtmlFileName>
      <LongName>100610 - Disclosure - Schedule of Operating and Finance Right-of-Use Assets and Lease Liabilities (Parenthetical) (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/DisclosureScheduleOfOperatingAndFinanceRightOfUseAssetsAndLeaseLiabilitiesParentheticalDetail</Role>
      <ShortName>Schedule of Operating and Finance Right-of-Use Assets and Lease Liabilities (Parenthetical) (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>62</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R63.htm</HtmlFileName>
      <LongName>100620 - Disclosure - Schedule of Aggregate Lease Costs by Lease Classification (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/DisclosureScheduleOfAggregateLeaseCostsByLeaseClassificationDetail</Role>
      <ShortName>Schedule of Aggregate Lease Costs by Lease Classification (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>63</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R64.htm</HtmlFileName>
      <LongName>100630 - Disclosure - Schedule of Aggregate Lease Costs by Lease Classification (Parenthetical) (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/DisclosureScheduleOfAggregateLeaseCostsByLeaseClassificationParentheticalDetail</Role>
      <ShortName>Schedule of Aggregate Lease Costs by Lease Classification (Parenthetical) (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>64</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R65.htm</HtmlFileName>
      <LongName>100640 - Disclosure - Schedule of Maturity of Lease Liabilities by Lease Classification (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/DisclosureScheduleOfMaturityOfLeaseLiabilitiesByLeaseClassificationDetail</Role>
      <ShortName>Schedule of Maturity of Lease Liabilities by Lease Classification (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>65</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R66.htm</HtmlFileName>
      <LongName>100660 - Disclosure - Schedule of Future Minimum Lease Payments Under Noncancelable Operating and Capital Leases (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/DisclosureScheduleOfFutureMinimumLeasePaymentsUnderNoncancelableOperatingAndCapitalLeasesDetail</Role>
      <ShortName>Schedule of Future Minimum Lease Payments Under Noncancelable Operating and Capital Leases (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>66</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R67.htm</HtmlFileName>
      <LongName>100670 - Disclosure - Schedule of Weighted-Average Remaining Lease Term and Discount Rate (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/DisclosureScheduleOfWeightedAverageRemainingLeaseTermAndDiscountRateDetail</Role>
      <ShortName>Schedule of Weighted-Average Remaining Lease Term and Discount Rate (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>67</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R68.htm</HtmlFileName>
      <LongName>100680 - Disclosure - Schedule of Minimum Cash Lease Payments (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/DisclosureScheduleOfMinimumCashLeasePaymentsDetail</Role>
      <ShortName>Schedule of Minimum Cash Lease Payments (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>68</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R69.htm</HtmlFileName>
      <LongName>100690 - Disclosure - Revenue Recognition - Additional Information (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/DisclosureRevenueRecognitionAdditionalInformationDetail</Role>
      <ShortName>Revenue Recognition - Additional Information (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>69</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R70.htm</HtmlFileName>
      <LongName>100700 - Disclosure - Summary of Revenues Disaggregated Based on Major Type of Good or Service and by Reportable Operating Segment (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/DisclosureSummaryOfRevenuesDisaggregatedBasedOnMajorTypeOfGoodOrServiceAndByReportableOperatingSegmentDetail</Role>
      <ShortName>Summary of Revenues Disaggregated Based on Major Type of Good or Service and by Reportable Operating Segment (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>70</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R71.htm</HtmlFileName>
      <LongName>100710 - Disclosure - Summary of Revenues Disaggregated Based on Timing of Revenue Recognition (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/DisclosureSummaryOfRevenuesDisaggregatedBasedOnTimingOfRevenueRecognitionDetail</Role>
      <ShortName>Summary of Revenues Disaggregated Based on Timing of Revenue Recognition (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>71</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R72.htm</HtmlFileName>
      <LongName>100720 - Disclosure - Changes in Deferred Revenues (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/DisclosureChangesInDeferredRevenuesDetail</Role>
      <ShortName>Changes in Deferred Revenues (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>72</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R73.htm</HtmlFileName>
      <LongName>100730 - Disclosure - Aggregate Amount of Transaction Price Allocated To Performance Obligation That Are Unsatisfied And Expected To Be Recognized (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/DisclosureAggregateAmountOfTransactionPriceAllocatedToPerformanceObligationThatAreUnsatisfiedAndExpectedToBeRecognizedDetail</Role>
      <ShortName>Aggregate Amount of Transaction Price Allocated To Performance Obligation That Are Unsatisfied And Expected To Be Recognized (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>73</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R74.htm</HtmlFileName>
      <LongName>100740 - Disclosure - Aggregate Amount of Transaction Price Allocated To Performance Obligation That Are Unsatisfied And Expected To Be Recognized (Detail 1)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/DisclosureAggregateAmountOfTransactionPriceAllocatedToPerformanceObligationThatAreUnsatisfiedAndExpectedToBeRecognizedDetail1</Role>
      <ShortName>Aggregate Amount of Transaction Price Allocated To Performance Obligation That Are Unsatisfied And Expected To Be Recognized (Detail 1)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>74</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R75.htm</HtmlFileName>
      <LongName>100750 - Disclosure - Computations of Basic and Diluted Earnings Per Share (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/DisclosureComputationsOfBasicAndDilutedEarningsPerShareDetail</Role>
      <ShortName>Computations of Basic and Diluted Earnings Per Share (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>75</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R76.htm</HtmlFileName>
      <LongName>100760 - Disclosure - Computations of Basic and Diluted Earnings Per Share (Parenthetical) (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/DisclosureComputationsOfBasicAndDilutedEarningsPerShareParentheticalDetail</Role>
      <ShortName>Computations of Basic and Diluted Earnings Per Share (Parenthetical) (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>76</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R77.htm</HtmlFileName>
      <LongName>100770 - Disclosure - Dividends (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/DisclosureDividendsDetail</Role>
      <ShortName>Dividends (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>77</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R78.htm</HtmlFileName>
      <LongName>100780 - Disclosure - Dividends (Parenthetical) (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/DisclosureDividendsParentheticalDetail</Role>
      <ShortName>Dividends (Parenthetical) (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>78</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R79.htm</HtmlFileName>
      <LongName>100790 - Disclosure - Summary of Activity with NCM Included in Company's Consolidated Financial Statements (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/DisclosureSummaryOfActivityWithNCMIncludedInCompanySConsolidatedFinancialStatementsDetail</Role>
      <ShortName>Summary of Activity with NCM Included in Company's Consolidated Financial Statements (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>79</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R80.htm</HtmlFileName>
      <LongName>100800 - Disclosure - Summary of Activity with NCM Included in Company's Consolidated Financial Statements (Parenthetical) (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/DisclosureSummaryOfActivityWithNCMIncludedInCompanySConsolidatedFinancialStatementsParentheticalDetail</Role>
      <ShortName>Summary of Activity with NCM Included in Company's Consolidated Financial Statements (Parenthetical) (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>80</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R81.htm</HtmlFileName>
      <LongName>100810 - Disclosure - Investment in National CineMedia LLC - Additional Information (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/DisclosureInvestmentInNationalCinemediaLLCAdditionalInformationDetail</Role>
      <ShortName>Investment in National CineMedia LLC - Additional Information (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>81</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R82.htm</HtmlFileName>
      <LongName>100820 - Disclosure - Summary of Common Units Received Under Adjustment Agreement (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/DisclosureSummaryOfCommonUnitsReceivedUnderAdjustmentAgreementDetail</Role>
      <ShortName>Summary of Common Units Received Under Adjustment Agreement (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>82</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R83.htm</HtmlFileName>
      <LongName>100830 - Disclosure - Summary of Recognition of Revenue Related To Deferred Revenue (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/DisclosureSummaryOfRecognitionOfRevenueRelatedToDeferredRevenueDetail</Role>
      <ShortName>Summary of Recognition of Revenue Related To Deferred Revenue (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>83</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R84.htm</HtmlFileName>
      <LongName>100840 - Disclosure - Summary of Recognition of Revenue Related To Deferred Revenue (Detail 1)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/DisclosureSummaryOfRecognitionOfRevenueRelatedToDeferredRevenueDetail1</Role>
      <ShortName>Summary of Recognition of Revenue Related To Deferred Revenue (Detail 1)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>84</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R85.htm</HtmlFileName>
      <LongName>100850 - Disclosure - Summary Financial Information for National CineMedia (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/DisclosureSummaryFinancialInformationForNationalCinemediaDetail</Role>
      <ShortName>Summary Financial Information for National CineMedia (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>85</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R86.htm</HtmlFileName>
      <LongName>100860 - Disclosure - Summary of Activity for Each of Company's Other Investments (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/DisclosureSummaryOfActivityForEachOfCompanySOtherInvestmentsDetail</Role>
      <ShortName>Summary of Activity for Each of Company's Other Investments (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>86</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R87.htm</HtmlFileName>
      <LongName>100870 - Disclosure - Other Investments - Additional Information (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/DisclosureOtherInvestmentsAdditionalInformationDetail</Role>
      <ShortName>Other Investments - Additional Information (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>87</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R88.htm</HtmlFileName>
      <LongName>100880 - Disclosure - Summary Financial Information for DCIP (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/DisclosureSummaryFinancialInformationForDCIPDetail</Role>
      <ShortName>Summary Financial Information for DCIP (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>88</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R89.htm</HtmlFileName>
      <LongName>100890 - Disclosure - Transactions with DCIP (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/DisclosureTransactionsWithDCIPDetail</Role>
      <ShortName>Transactions with DCIP (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>89</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R90.htm</HtmlFileName>
      <LongName>100900 - Disclosure - Summary of Goodwill (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/DisclosureSummaryOfGoodwillDetail</Role>
      <ShortName>Summary of Goodwill (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>90</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R91.htm</HtmlFileName>
      <LongName>100910 - Disclosure - Summary of Goodwill (Parenthetical) (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/DisclosureSummaryOfGoodwillParentheticalDetail</Role>
      <ShortName>Summary of Goodwill (Parenthetical) (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>91</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R92.htm</HtmlFileName>
      <LongName>100920 - Disclosure - Intangible Assets-Net (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/DisclosureIntangibleAssetsNetDetail</Role>
      <ShortName>Intangible Assets-Net (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>92</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R93.htm</HtmlFileName>
      <LongName>100930 - Disclosure - Intangible Assets-Net (Parenthetical) (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/DisclosureIntangibleAssetsNetParentheticalDetail</Role>
      <ShortName>Intangible Assets-Net (Parenthetical) (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>93</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R94.htm</HtmlFileName>
      <LongName>100940 - Disclosure - Estimated Aggregate Future Amortization Expense for Intangible Assets (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/DisclosureEstimatedAggregateFutureAmortizationExpenseForIntangibleAssetsDetail</Role>
      <ShortName>Estimated Aggregate Future Amortization Expense for Intangible Assets (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>94</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R95.htm</HtmlFileName>
      <LongName>100950 - Disclosure - Long-Lived Asset Impairment Losses (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/DisclosureLongLivedAssetImpairmentLossesDetail</Role>
      <ShortName>Long-Lived Asset Impairment Losses (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>95</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R96.htm</HtmlFileName>
      <LongName>100960 - Disclosure - Impairment of Long-Lived Assets - Additional Information (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/DisclosureImpairmentOfLongLivedAssetsAdditionalInformationDetail</Role>
      <ShortName>Impairment of Long-Lived Assets - Additional Information (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>96</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R97.htm</HtmlFileName>
      <LongName>100970 - Disclosure - Deferred Changes and Other Assets (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/DisclosureDeferredChangesAndOtherAssetsDetail</Role>
      <ShortName>Deferred Changes and Other Assets (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>97</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R98.htm</HtmlFileName>
      <LongName>100980 - Disclosure - Long Term Debt (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/DisclosureLongTermDebtDetail</Role>
      <ShortName>Long Term Debt (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>98</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R99.htm</HtmlFileName>
      <LongName>100990 - Disclosure - Long Term Debt (Parenthetical) (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/DisclosureLongTermDebtParentheticalDetail</Role>
      <ShortName>Long Term Debt (Parenthetical) (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>99</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R100.htm</HtmlFileName>
      <LongName>101000 - Disclosure - Long Term Debt - Additional Information (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/DisclosureLongTermDebtAdditionalInformationDetail</Role>
      <ShortName>Long Term Debt - Additional Information (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>100</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R101.htm</HtmlFileName>
      <LongName>101010 - Disclosure - Long Term Debt - Amendment of Credit Agreement (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/DisclosureLongTermDebtAmendmentOfCreditAgreementDetail</Role>
      <ShortName>Long Term Debt - Amendment of Credit Agreement (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>101</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R102.htm</HtmlFileName>
      <LongName>101020 - Disclosure - Long Term Debt - Amendment of Credit Agreement (Parenthetical) (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/DisclosureLongTermDebtAmendmentOfCreditAgreementParentheticalDetail</Role>
      <ShortName>Long Term Debt - Amendment of Credit Agreement (Parenthetical) (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>102</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R103.htm</HtmlFileName>
      <LongName>101030 - Disclosure - Maturities of Long-Term Debt, Excluding Unamortized Debt Issuance Costs (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/DisclosureMaturitiesOfLongTermDebtExcludingUnamortizedDebtIssuanceCostsDetail</Role>
      <ShortName>Maturities of Long-Term Debt, Excluding Unamortized Debt Issuance Costs (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>103</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R104.htm</HtmlFileName>
      <LongName>101040 - Disclosure - Long Term Debt - Summary of Company's Interest Rate Swap Agreements Designated as Cash Flow Hedges (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/DisclosureLongTermDebtSummaryOfCompanySInterestRateSwapAgreementsDesignatedAsCashFlowHedgesDetail</Role>
      <ShortName>Long Term Debt - Summary of Company's Interest Rate Swap Agreements Designated as Cash Flow Hedges (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>104</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R105.htm</HtmlFileName>
      <LongName>101050 - Disclosure - Long Term Debt - Summary of Company's Interest Rate Swap Agreements Designated as Cash Flow Hedges (Parenthetical) (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/DisclosureLongTermDebtSummaryOfCompanySInterestRateSwapAgreementsDesignatedAsCashFlowHedgesParentheticalDetail</Role>
      <ShortName>Long Term Debt - Summary of Company's Interest Rate Swap Agreements Designated as Cash Flow Hedges (Parenthetical) (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>105</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R106.htm</HtmlFileName>
      <LongName>101060 - Disclosure - Summary of Liabilities Measured at Fair Value on a Recurring Basis (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/DisclosureSummaryOfLiabilitiesMeasuredAtFairValueOnRecurringBasisDetail</Role>
      <ShortName>Summary of Liabilities Measured at Fair Value on a Recurring Basis (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>106</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R107.htm</HtmlFileName>
      <LongName>101070 - Disclosure - Reconciliation of Beginning and Ending Balance for Liabilities Measured at Fair Value on Recurring Basis Unobservable Inputs (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/DisclosureReconciliationOfBeginningAndEndingBalanceForLiabilitiesMeasuredAtFairValueOnRecurringBasisUnobservableInputsDetail</Role>
      <ShortName>Reconciliation of Beginning and Ending Balance for Liabilities Measured at Fair Value on Recurring Basis Unobservable Inputs (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>107</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R108.htm</HtmlFileName>
      <LongName>101080 - Disclosure - Fair Value Measurements - Additional Information (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/DisclosureFairValueMeasurementsAdditionalInformationDetail</Role>
      <ShortName>Fair Value Measurements - Additional Information (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>108</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R109.htm</HtmlFileName>
      <LongName>101090 - Disclosure - Foreign Currency Translation - Additional Information (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/DisclosureForeignCurrencyTranslationAdditionalInformationDetail</Role>
      <ShortName>Foreign Currency Translation - Additional Information (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>109</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R110.htm</HtmlFileName>
      <LongName>101100 - Disclosure - Summary of Impact of Translating Financial Statements of Company's International Subsidiaries (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/DisclosureSummaryOfImpactOfTranslatingFinancialStatementsOfCompanySInternationalSubsidiariesDetail</Role>
      <ShortName>Summary of Impact of Translating Financial Statements of Company's International Subsidiaries (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>110</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R111.htm</HtmlFileName>
      <LongName>101110 - Disclosure - Summary of Impact of Translating Financial Statements of Company's International Subsidiaries (Parenthetical) (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/DisclosureSummaryOfImpactOfTranslatingFinancialStatementsOfCompanySInternationalSubsidiariesParentheticalDetail</Role>
      <ShortName>Summary of Impact of Translating Financial Statements of Company's International Subsidiaries (Parenthetical) (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>111</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R112.htm</HtmlFileName>
      <LongName>101120 - Disclosure - Non-controlling Interest in Subsidiaries (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/DisclosureNonControllingInterestInSubsidiariesDetail</Role>
      <ShortName>Non-controlling Interest in Subsidiaries (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>112</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R113.htm</HtmlFileName>
      <LongName>101130 - Disclosure - Non-controlling Interest in Subsidiaries (Parenthetical) (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/DisclosureNonControllingInterestInSubsidiariesParentheticalDetail</Role>
      <ShortName>Non-controlling Interest in Subsidiaries (Parenthetical) (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>113</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R114.htm</HtmlFileName>
      <LongName>101140 - Disclosure - Noncontrolling Interests in Subsidiaries - Additional Information (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/DisclosureNoncontrollingInterestsInSubsidiariesAdditionalInformationDetail</Role>
      <ShortName>Noncontrolling Interests in Subsidiaries - Additional Information (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>114</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R115.htm</HtmlFileName>
      <LongName>101150 - Disclosure - Capital Stock - Additional Information (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/DisclosureCapitalStockAdditionalInformationDetail</Role>
      <ShortName>Capital Stock - Additional Information (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>115</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R116.htm</HtmlFileName>
      <LongName>101160 - Disclosure - Summary of Treasury Stock Activity (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/DisclosureSummaryOfTreasuryStockActivityDetail</Role>
      <ShortName>Summary of Treasury Stock Activity (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>116</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R117.htm</HtmlFileName>
      <LongName>101170 - Disclosure - Summary of Treasury Stock Activity (Parenthetical) (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/DisclosureSummaryOfTreasuryStockActivityParentheticalDetail</Role>
      <ShortName>Summary of Treasury Stock Activity (Parenthetical) (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>117</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R118.htm</HtmlFileName>
      <LongName>101180 - Disclosure - Summary of Restricted Stock Activity (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/DisclosureSummaryOfRestrictedStockActivityDetail</Role>
      <ShortName>Summary of Restricted Stock Activity (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>118</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R119.htm</HtmlFileName>
      <LongName>101190 - Disclosure - Summary of Restricted Stock Award Activity (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/DisclosureSummaryOfRestrictedStockAwardActivityDetail</Role>
      <ShortName>Summary of Restricted Stock Award Activity (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>119</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R120.htm</HtmlFileName>
      <LongName>101200 - Disclosure - Summary of Potential Number of Units that Could Vest Under Restricted Stock Unit Awards (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/DisclosureSummaryOfPotentialNumberOfUnitsThatCouldVestUnderRestrictedStockUnitAwardsDetail</Role>
      <ShortName>Summary of Potential Number of Units that Could Vest Under Restricted Stock Unit Awards (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>120</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R121.htm</HtmlFileName>
      <LongName>101210 - Disclosure - Summary of Potential Number of Units that Could Vest Under Restricted Stock Unit Awards (Parenthetical) (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/DisclosureSummaryOfPotentialNumberOfUnitsThatCouldVestUnderRestrictedStockUnitAwardsParentheticalDetail</Role>
      <ShortName>Summary of Potential Number of Units that Could Vest Under Restricted Stock Unit Awards (Parenthetical) (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>121</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R122.htm</HtmlFileName>
      <LongName>101220 - Disclosure - Summary of Current Financial Performance Thresholds and Vesting Rates (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/DisclosureSummaryOfCurrentFinancialPerformanceThresholdsAndVestingRatesDetail</Role>
      <ShortName>Summary of Current Financial Performance Thresholds and Vesting Rates (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>122</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R123.htm</HtmlFileName>
      <LongName>101230 - Disclosure - Supplemental Information to Condensed Consolidated Statements of Cash Flows (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/DisclosureSupplementalInformationToCondensedConsolidatedStatementsOfCashFlowsDetail</Role>
      <ShortName>Supplemental Information to Condensed Consolidated Statements of Cash Flows (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>123</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R124.htm</HtmlFileName>
      <LongName>101240 - Disclosure - Supplemental Information to Condensed Consolidated Statements of Cash Flows (Parenthetical) (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/DisclosureSupplementalInformationToCondensedConsolidatedStatementsOfCashFlowsParentheticalDetail</Role>
      <ShortName>Supplemental Information to Condensed Consolidated Statements of Cash Flows (Parenthetical) (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>124</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R125.htm</HtmlFileName>
      <LongName>101250 - Disclosure - Income Taxes - Additional Information (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/DisclosureIncomeTaxesAdditionalInformationDetail</Role>
      <ShortName>Income Taxes - Additional Information (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>125</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R126.htm</HtmlFileName>
      <LongName>101260 - Disclosure - Provision for Federal and Foreign Income Tax Expense for Continuing Operations (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/DisclosureProvisionForFederalAndForeignIncomeTaxExpenseForContinuingOperationsDetail</Role>
      <ShortName>Provision for Federal and Foreign Income Tax Expense for Continuing Operations (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>126</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R127.htm</HtmlFileName>
      <LongName>101270 - Disclosure - Current and Deferred Income Taxes (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/DisclosureCurrentAndDeferredIncomeTaxesDetail</Role>
      <ShortName>Current and Deferred Income Taxes (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>127</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R128.htm</HtmlFileName>
      <LongName>101280 - Disclosure - Reconciliation Between Income Tax Expenses (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/DisclosureReconciliationBetweenIncomeTaxExpensesDetail</Role>
      <ShortName>Reconciliation Between Income Tax Expenses (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>128</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R129.htm</HtmlFileName>
      <LongName>101290 - Disclosure - Reconciliation Between Income Tax Expenses (Parenthetical) (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/DisclosureReconciliationBetweenIncomeTaxExpensesParentheticalDetail</Role>
      <ShortName>Reconciliation Between Income Tax Expenses (Parenthetical) (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>129</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R130.htm</HtmlFileName>
      <LongName>101300 - Disclosure - Tax Effects of Significant Temporary Differences and Tax Loss and Tax Credit Carryforwards (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/DisclosureTaxEffectsOfSignificantTemporaryDifferencesAndTaxLossAndTaxCreditCarryforwardsDetail</Role>
      <ShortName>Tax Effects of Significant Temporary Differences and Tax Loss and Tax Credit Carryforwards (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>130</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R131.htm</HtmlFileName>
      <LongName>101310 - Disclosure - Reconciliation of Total Amounts of Unrecognized Tax Benefits Excluding Interest and Penalties (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/DisclosureReconciliationOfTotalAmountsOfUnrecognizedTaxBenefitsExcludingInterestAndPenaltiesDetail</Role>
      <ShortName>Reconciliation of Total Amounts of Unrecognized Tax Benefits Excluding Interest and Penalties (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>131</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R132.htm</HtmlFileName>
      <LongName>101320 - Disclosure - Commitments and Contingencies - Additional Information (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/DisclosureCommitmentsAndContingenciesAdditionalInformationDetail</Role>
      <ShortName>Commitments and Contingencies - Additional Information (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>132</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R133.htm</HtmlFileName>
      <LongName>101330 - Disclosure - Selected Financial Information by Reportable Operating Segment (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/DisclosureSelectedFinancialInformationByReportableOperatingSegmentDetail</Role>
      <ShortName>Selected Financial Information by Reportable Operating Segment (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>133</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R134.htm</HtmlFileName>
      <LongName>101340 - Disclosure - Reconciliation of Net Income to Adjusted EBITDA (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/DisclosureReconciliationOfNetIncomeToAdjustedEBITDADetail</Role>
      <ShortName>Reconciliation of Net Income to Adjusted EBITDA (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>134</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R135.htm</HtmlFileName>
      <LongName>101350 - Disclosure - Selected Financial Information by Geographic Area (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/DisclosureSelectedFinancialInformationByGeographicAreaDetail</Role>
      <ShortName>Selected Financial Information by Geographic Area (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>135</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R136.htm</HtmlFileName>
      <LongName>101360 - Disclosure - Related Party Transactions - Additional Information (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/DisclosureRelatedPartyTransactionsAdditionalInformationDetail</Role>
      <ShortName>Related Party Transactions - Additional Information (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>136</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R137.htm</HtmlFileName>
      <LongName>101370 - Disclosure - Valuation Allowance of Deferred Tax Assets (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/DisclosureValuationAllowanceOfDeferredTaxAssetsDetail</Role>
      <ShortName>Valuation Allowance of Deferred Tax Assets (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>137</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R138.htm</HtmlFileName>
      <LongName>101380 - Disclosure - Quarterly Financial Information (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/DisclosureQuarterlyFinancialInformationDetail</Role>
      <ShortName>Quarterly Financial Information (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>138</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R139.htm</HtmlFileName>
      <LongName>101390 - Disclosure - Subsequent Events - Dividend Declaration - Additional Information (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/DisclosureSubsequentEventsDividendDeclarationAdditionalInformationDetail</Role>
      <ShortName>Subsequent Events - Dividend Declaration - Additional Information (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>139</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R140.htm</HtmlFileName>
      <LongName>101400 - Disclosure - Condensed Parent Company Balance Sheets (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/DisclosureCondensedParentCompanyBalanceSheetsDetail</Role>
      <ShortName>Condensed Parent Company Balance Sheets (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>140</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R141.htm</HtmlFileName>
      <LongName>101410 - Disclosure - Condensed Parent Company Balance Sheets (Parenthetical) (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/DisclosureCondensedParentCompanyBalanceSheetsParentheticalDetail</Role>
      <ShortName>Condensed Parent Company Balance Sheets (Parenthetical) (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>141</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R142.htm</HtmlFileName>
      <LongName>101420 - Disclosure - Condensed Parent Company Statements of Income (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/DisclosureCondensedParentCompanyStatementsOfIncomeDetail</Role>
      <ShortName>Condensed Parent Company Statements of Income (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>142</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R143.htm</HtmlFileName>
      <LongName>101430 - Disclosure - Condensed Parent Company Statements of Comprehensive Income (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/DisclosureCondensedParentCompanyStatementsOfComprehensiveIncomeDetail</Role>
      <ShortName>Condensed Parent Company Statements of Comprehensive Income (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>143</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R144.htm</HtmlFileName>
      <LongName>101440 - Disclosure - Condensed Parent Company Statements of Comprehensive Income (Parenthetical) (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/DisclosureCondensedParentCompanyStatementsOfComprehensiveIncomeParentheticalDetail</Role>
      <ShortName>Condensed Parent Company Statements of Comprehensive Income (Parenthetical) (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>144</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R145.htm</HtmlFileName>
      <LongName>101450 - Disclosure - Condensed Parent Company Statements of Cash Flows (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/DisclosureCondensedParentCompanyStatementsOfCashFlowsDetail</Role>
      <ShortName>Condensed Parent Company Statements of Cash Flows (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>145</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R146.htm</HtmlFileName>
      <LongName>101460 - Disclosure - Schedule 1 Basis of Presentation - Additional Information (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/DisclosureSchedule1BasisOfPresentationAdditionalInformationDetail</Role>
      <ShortName>Schedule 1 Basis of Presentation - Additional Information (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>146</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R147.htm</HtmlFileName>
      <LongName>101470 - Disclosure - Schedule 1 Dividend Declared for Fiscal Period (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/DisclosureSchedule1DividendDeclaredForFiscalPeriodDetail</Role>
      <ShortName>Schedule 1 Dividend Declared for Fiscal Period (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>147</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R148.htm</HtmlFileName>
      <LongName>101480 - Disclosure - Schedule 1 Dividend Declared for Fiscal Period (Parenthetical) (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/DisclosureSchedule1DividendDeclaredForFiscalPeriodParentheticalDetail</Role>
      <ShortName>Schedule 1 Dividend Declared for Fiscal Period (Parenthetical) (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>148</Position>
    </Report>
    <Report instance="cnk-10k_20191231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R149.htm</HtmlFileName>
      <LongName>101490 - Disclosure - Schedule 1 Dividends Received from Subsidiaries - Additional Information (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cinemark.com/20191231/taxonomy/role/DisclosureSchedule1DividendsReceivedFromSubsidiariesAdditionalInformationDetail</Role>
      <ShortName>Schedule 1 Dividends Received from Subsidiaries - Additional Information (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>149</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <LongName>All Reports</LongName>
      <ReportType>Book</ReportType>
      <ShortName>All Reports</ShortName>
    </Report>
  </MyReports>
  <InputFiles>
    <File doctype="10-K" original="cnk-10k_20191231.htm">cnk-10k_20191231.htm</File>
    <File>cnk-20191231.xsd</File>
    <File>cnk-20191231_cal.xml</File>
    <File>cnk-20191231_def.xml</File>
    <File>cnk-20191231_lab.xml</File>
    <File>cnk-20191231_pre.xml</File>
    <File>cnk-ex21_11.htm</File>
    <File>cnk-ex231_8.htm</File>
    <File>cnk-ex311_6.htm</File>
    <File>cnk-ex312_7.htm</File>
    <File>cnk-ex321_10.htm</File>
    <File>cnk-ex322_9.htm</File>
    <File>cnk-ex41_83.htm</File>
  </InputFiles>
  <SupplementalFiles/>
  <BaseTaxonomies>
    <BaseTaxonomy>http://fasb.org/srt/2019-01-31</BaseTaxonomy>
    <BaseTaxonomy>http://xbrl.sec.gov/dei/2019-01-31</BaseTaxonomy>
    <BaseTaxonomy>http://fasb.org/us-gaap/2019-01-31</BaseTaxonomy>
    <BaseTaxonomy>http://xbrl.sec.gov/country/2017-01-31</BaseTaxonomy>
  </BaseTaxonomies>
  <HasPresentationLinkbase>true</HasPresentationLinkbase>
  <HasCalculationLinkbase>true</HasCalculationLinkbase>
</FilingSummary>
