<?xml version="1.0" encoding="utf-8"?>
<FilingSummary xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema">
  <Version>2.4.0.6</Version>
  <ProcessingTime />
  <ReportFormat>Html</ReportFormat>
  <ContextCount>100</ContextCount>
  <ElementCount>260</ElementCount>
  <EntityCount>1</EntityCount>
  <FootnotesReported>false</FootnotesReported>
  <SegmentCount>40</SegmentCount>
  <ScenarioCount>0</ScenarioCount>
  <TuplesReported>false</TuplesReported>
  <UnitCount>4</UnitCount>
  <MyReports>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R1.htm</HtmlFileName>
      <LongName>000100 - Document - Document and Entity Information</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dcontainerships.com/role/DocumentDocumentAndEntityInformation</Role>
      <ShortName>Document and Entity Information</ShortName>
    </Report>
    <Report>
      <IsDefault>true</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R2.htm</HtmlFileName>
      <LongName>000200 - Statement - CONSOLIDATED BALANCE SHEETS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dcontainerships.com/role/StatementCONSOLIDATEDBALANCESHEETS</Role>
      <ShortName>CONSOLIDATED BALANCE SHEETS</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R3.htm</HtmlFileName>
      <LongName>000300 - Statement - CONSOLIDATED BALANCE SHEETS (Parentheticals)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dcontainerships.com/role/StatementCONSOLIDATEDBALANCESHEETSParentheticals</Role>
      <ShortName>CONSOLIDATED BALANCE SHEETS (Parentheticals)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R4.htm</HtmlFileName>
      <LongName>000400 - Statement - CONSOLIDATED STATEMENTS OF INCOME</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dcontainerships.com/role/StatementCONSOLIDATEDSTATEMENTSOFINCOME</Role>
      <ShortName>CONSOLIDATED STATEMENTS OF INCOME</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R5.htm</HtmlFileName>
      <LongName>000450 - Statement - CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dcontainerships.com/role/StatementCONSOLIDATEDSTATEMENTSOFCOMPREHENSIVEINCOME</Role>
      <ShortName>CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R6.htm</HtmlFileName>
      <LongName>000500 - Statement - CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dcontainerships.com/role/StatementCONSOLIDATEDSTATEMENTSOFSTOCKHOLDERSEQUITY</Role>
      <ShortName>CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R7.htm</HtmlFileName>
      <LongName>000600 - Statement - CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (Parentheticals)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dcontainerships.com/role/CONSOLIDATEDSTATEMENTSOFSTOCKHOLDERSEQUITYParentheticals</Role>
      <ShortName>CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (Parentheticals)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R8.htm</HtmlFileName>
      <LongName>000700 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dcontainerships.com/role/StatementCONSOLIDATEDSTATEMENTSOFCASHFLOWS</Role>
      <ShortName>CONSOLIDATED STATEMENTS OF CASH FLOWS</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R9.htm</HtmlFileName>
      <LongName>000900 - Disclosure - General Information</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dcontainerships.com/role/GeneralInformation</Role>
      <ShortName>General Information</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R10.htm</HtmlFileName>
      <LongName>000910 - Disclosure - Significant Accounting Policies and Recent Accounting Pronouncements</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dcontainerships.com/role/DisclosureSignificantAccountingPoliciesAndRecentAccountingPronouncements</Role>
      <ShortName>Significant Accounting Policies and Recent Accounting Pronouncements</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R11.htm</HtmlFileName>
      <LongName>000920 - Disclosure - Transactions with Related Parties</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dcontainerships.com/role/TransactionsWithRelatedParties</Role>
      <ShortName>Transactions with Related Parties</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R12.htm</HtmlFileName>
      <LongName>000940 - Disclosure - Vessels</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dcontainerships.com/role/DisclosureVessels</Role>
      <ShortName>Vessels</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R13.htm</HtmlFileName>
      <LongName>000950 - Disclosure - Prepaid Charter Revenue</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dcontainerships.com/role/DisclosurePrepaidCharterRevenue</Role>
      <ShortName>Prepaid Charter Revenue</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R14.htm</HtmlFileName>
      <LongName>000960 - Disclosure - Long-term Debt, current and non-current</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dcontainerships.com/role/DisclosureLongtermDebtCurrentAndNoncurrent</Role>
      <ShortName>Long-term Debt, current and non-current</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R15.htm</HtmlFileName>
      <LongName>000970 - Disclosure - Deferred Revenue, current and non-current</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dcontainerships.com/role/DisclosureDeferredRevenueCurrentAndNoncurrent</Role>
      <ShortName>Deferred Revenue, current and non-current</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R16.htm</HtmlFileName>
      <LongName>000980 - Disclosure - Commitments and Contingencies</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dcontainerships.com/role/DisclosureCommitmentsAndContingencies</Role>
      <ShortName>Commitments and Contingencies</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R17.htm</HtmlFileName>
      <LongName>000990 - Disclosure - Changes in Capital Accounts</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dcontainerships.com/role/ChangesInCapitalAccounts</Role>
      <ShortName>Changes in Capital Accounts</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R18.htm</HtmlFileName>
      <LongName>001000 - Disclosure - Voyage and Vessel Operating Expenses</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dcontainerships.com/role/DisclosureVoyageAndVesselOperatingExpenses</Role>
      <ShortName>Voyage and Vessel Operating Expenses</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R19.htm</HtmlFileName>
      <LongName>001010 - Disclosure - Interest and Finance Costs</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dcontainerships.com/role/DisclosureInterestAndFinanceCosts</Role>
      <ShortName>Interest and Finance Costs</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R20.htm</HtmlFileName>
      <LongName>001020 - Disclosure - Earnings / (loss) per Share</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dcontainerships.com/role/EarningslossPerShare</Role>
      <ShortName>Earnings / (loss) per Share</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R21.htm</HtmlFileName>
      <LongName>001030 - Disclosure - Income Taxes</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dcontainerships.com/role/DisclosureIncomeTaxes</Role>
      <ShortName>Income Taxes</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R22.htm</HtmlFileName>
      <LongName>001040 - Disclosure - Financial Instruments</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dcontainerships.com/role/DisclosureFinancialInstruments</Role>
      <ShortName>Financial Instruments</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R23.htm</HtmlFileName>
      <LongName>001060 - Disclosure - Subsequent Events</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dcontainerships.com/role/DisclosureSubsequentEvents</Role>
      <ShortName>Subsequent Events</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R24.htm</HtmlFileName>
      <LongName>002110 - Disclosure - Significant Accounting Policies and Recent Accounting Pronouncements (Policies)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dcontainerships.com/role/SignificantAccountingPoliciesAndRecentAccountingPronouncementsPolicies</Role>
      <ShortName>Significant Accounting Policies and Recent Accounting Pronouncements (Policies)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R25.htm</HtmlFileName>
      <LongName>003110 - Disclosure - General information (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dcontainerships.com/role/GeneralInformationTables</Role>
      <ShortName>General information (Tables)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R26.htm</HtmlFileName>
      <LongName>003120 - Disclosure - Transactions with related parties (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dcontainerships.com/role/TransactionsWithRelatedPartiesTables</Role>
      <ShortName>Transactions with related parties (Tables)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R27.htm</HtmlFileName>
      <LongName>003130 - Disclosure - Vessels (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dcontainerships.com/role/VesselsTables</Role>
      <ShortName>Vessels (Tables)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R28.htm</HtmlFileName>
      <LongName>003140 - Disclosure - Prepaid charter revenue (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dcontainerships.com/role/PrepaidCharterRevenueTables</Role>
      <ShortName>Prepaid charter revenue (Tables)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R29.htm</HtmlFileName>
      <LongName>003150 - Disclosure - Long term debt, current and non-current (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dcontainerships.com/role/LongTermDebtCurrentAndNoncurrentTables</Role>
      <ShortName>Long term debt, current and non-current (Tables)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R30.htm</HtmlFileName>
      <LongName>003160 - Disclosure - Deferred revenue, current and non-current (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dcontainerships.com/role/DeferredRevenueCurrentAndNoncurrentTables</Role>
      <ShortName>Deferred revenue, current and non-current (Tables)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R31.htm</HtmlFileName>
      <LongName>003170 - Disclosure - Equity (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dcontainerships.com/role/EquityTables</Role>
      <ShortName>Equity (Tables)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R32.htm</HtmlFileName>
      <LongName>003180 - Disclosure - Voyage and vessel operating expenses (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dcontainerships.com/role/VoyageAndVesselOperatingExpensesTables</Role>
      <ShortName>Voyage and vessel operating expenses (Tables)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R33.htm</HtmlFileName>
      <LongName>003190 - Disclosure - Interest and finance costs (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dcontainerships.com/role/InterestAndFinanceCostsTables</Role>
      <ShortName>Interest and finance costs (Tables)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R34.htm</HtmlFileName>
      <LongName>003200 - Disclosure - Earnings / (loss) per share (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dcontainerships.com/role/EarningslossPerShareTables</Role>
      <ShortName>Earnings / (loss) per share (Tables)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R35.htm</HtmlFileName>
      <LongName>004110 - Disclosure - General information, textuals (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dcontainerships.com/role/GeneralInformationTextualsDetails</Role>
      <ShortName>General information, textuals (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R36.htm</HtmlFileName>
      <LongName>004120 - Disclosure - General information, textuals 2 (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dcontainerships.com/role/GeneralInformationTextuals2Details</Role>
      <ShortName>General information, textuals 2 (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R37.htm</HtmlFileName>
      <LongName>004130 - Disclosure - General information, details (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dcontainerships.com/role/DisclosureGeneralInformationDetailsDetails</Role>
      <ShortName>General information, details (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R38.htm</HtmlFileName>
      <LongName>004140 - Disclosure - Significant Accounting Policies and Recent Accounting Pronouncements, textuals (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dcontainerships.com/role/DisclosureSignificantAccountingPoliciesAndRecentAccountingPronouncementsTextualsDetails</Role>
      <ShortName>Significant Accounting Policies and Recent Accounting Pronouncements, textuals (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R39.htm</HtmlFileName>
      <LongName>004150 - Disclosure - Significant Accounting Policies and Recent Accounting Pronouncements, textuals 2 (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dcontainerships.com/role/SignificantAccountingPoliciesAndRecentAccountingPronouncementsTextuals2Details</Role>
      <ShortName>Significant Accounting Policies and Recent Accounting Pronouncements, textuals 2 (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R40.htm</HtmlFileName>
      <LongName>004160 - Disclosure - Transactions with related parties, detail (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dcontainerships.com/role/TransactionsWithRelatedPartiesDetailDetails</Role>
      <ShortName>Transactions with related parties, detail (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R41.htm</HtmlFileName>
      <LongName>004170 - Disclosure - Transactions with related parties, detail 2 (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dcontainerships.com/role/TransactionsWithRelatedPartiesDetail2Details</Role>
      <ShortName>Transactions with related parties, detail 2 (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R42.htm</HtmlFileName>
      <LongName>004180 - Disclosure - Transactions with related parties, detail 3 (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dcontainerships.com/role/TransactionsWithRelatedPartiesDetail3Details</Role>
      <ShortName>Transactions with related parties, detail 3 (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R43.htm</HtmlFileName>
      <LongName>004210 - Disclosure - Vessels, detail (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dcontainerships.com/role/VesselsDetailDetails</Role>
      <ShortName>Vessels, detail (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R44.htm</HtmlFileName>
      <LongName>004220 - Disclosure - Vessels, detail 2 (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dcontainerships.com/role/DisclosureVesselsDetail2Details</Role>
      <ShortName>Vessels, detail 2 (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R45.htm</HtmlFileName>
      <LongName>004230 - Disclosure - Vessels, textuals (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dcontainerships.com/role/DisclosureVesselsTextualsDetails</Role>
      <ShortName>Vessels, textuals (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R46.htm</HtmlFileName>
      <LongName>004240 - Disclosure - Prepaid charter revenue, textuals (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dcontainerships.com/role/DisclosurePrepaidCharterRevenueTextualsDetails</Role>
      <ShortName>Prepaid charter revenue, textuals (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R47.htm</HtmlFileName>
      <LongName>004250 - Disclosure - Prepaid charter revenue, detail (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dcontainerships.com/role/DisclosurePrepaidCharterRevenueDetailDetails</Role>
      <ShortName>Prepaid charter revenue, detail (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R48.htm</HtmlFileName>
      <LongName>004260 - Disclosure - Prepaid charter revenue, detail 2 (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dcontainerships.com/role/PrepaidCharterRevenueDetail2Details</Role>
      <ShortName>Prepaid charter revenue, detail 2 (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R49.htm</HtmlFileName>
      <LongName>004270 - Disclosure - Long-term debt, current and non current, textuals (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dcontainerships.com/role/DisclosureLongtermDebtCurrentAndNonCurrentTextualsDetails</Role>
      <ShortName>Long-term debt, current and non current, textuals (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R50.htm</HtmlFileName>
      <LongName>004275 - Disclosure - Long-term debt, current and non current, textuals 2 (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dcontainerships.com/role/DisclosureLongtermDebtCurrentAndNonCurrentTextuals2Details</Role>
      <ShortName>Long-term debt, current and non current, textuals 2 (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R51.htm</HtmlFileName>
      <LongName>004280 - Disclosure - Long-term debt, current and non current, textuals 3 (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dcontainerships.com/role/DisclosureLongtermDebtCurrentAndNonCurrentTextuals3Details</Role>
      <ShortName>Long-term debt, current and non current, textuals 3 (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R52.htm</HtmlFileName>
      <LongName>004290 - Disclosure - Long-term debt, current and non current, textuals 4 (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dcontainerships.com/role/LongtermDebtCurrentAndNonCurrentTextuals4Details</Role>
      <ShortName>Long-term debt, current and non current, textuals 4 (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R53.htm</HtmlFileName>
      <LongName>004300 - Disclosure - Deferred Revenue,current and non current, detail (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dcontainerships.com/role/DisclosureDeferredRevenuecurrentAndNonCurrentDetailDetails</Role>
      <ShortName>Deferred Revenue,current and non current, detail (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R54.htm</HtmlFileName>
      <LongName>004310 - Disclosure - Commitments and Contingencies, textuals (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dcontainerships.com/role/DisclosureCommitmentsAndContingenciesTextualsDetails</Role>
      <ShortName>Commitments and Contingencies, textuals (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R55.htm</HtmlFileName>
      <LongName>004320 - Disclosure - Commitments and Contingencies, textuals 2 (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dcontainerships.com/role/CommitmentsAndContingenciesTextuals2Details</Role>
      <ShortName>Commitments and Contingencies, textuals 2 (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R56.htm</HtmlFileName>
      <LongName>004330 - Disclosure - Changes in capital accounts, textuals (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dcontainerships.com/role/DisclosureChangesInCapitalAccountsTextualsDetails</Role>
      <ShortName>Changes in capital accounts, textuals (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R57.htm</HtmlFileName>
      <LongName>004340 - Disclosure - Changes in capital accounts, detail (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dcontainerships.com/role/ChangesInCapitalAccountsDetailDetails</Role>
      <ShortName>Changes in capital accounts, detail (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R58.htm</HtmlFileName>
      <LongName>004350 - Disclosure - Changes in capital accounts, detail 2 (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dcontainerships.com/role/DisclosureChangesInCapitalAccountsDetail2Details</Role>
      <ShortName>Changes in capital accounts, detail 2 (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R59.htm</HtmlFileName>
      <LongName>004360 - Disclosure - Voyage and vessel operating expenses, detail (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dcontainerships.com/role/VoyageAndVesselOperatingExpensesDetailDetails</Role>
      <ShortName>Voyage and vessel operating expenses, detail (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R60.htm</HtmlFileName>
      <LongName>004365 - Disclosure - Interest and finance costs, detail (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dcontainerships.com/role/InterestAndFinanceCostsDetailDetails</Role>
      <ShortName>Interest and finance costs, detail (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R61.htm</HtmlFileName>
      <LongName>004370 - Disclosure - Earnings per share, textuals (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dcontainerships.com/role/EarningsPerShareTextualsDetails</Role>
      <ShortName>Earnings per share, textuals (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R62.htm</HtmlFileName>
      <LongName>004380 - Disclosure - Earnings per share, detail (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dcontainerships.com/role/DisclosureEarningsPerShareDetailDetails</Role>
      <ShortName>Earnings per share, detail (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R63.htm</HtmlFileName>
      <LongName>004390 - Disclosure - Income taxes, textuals (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dcontainerships.com/role/IncomeTaxesTextualsDetails</Role>
      <ShortName>Income taxes, textuals (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R64.htm</HtmlFileName>
      <LongName>004400 - Disclosure - Subsequent events, textuals (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.dcontainerships.com/role/DisclosureSubsequentEventsTextualsDetails</Role>
      <ShortName>Subsequent events, textuals (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <LongName>All Reports</LongName>
      <ReportType>Book</ReportType>
      <ShortName>All Reports</ShortName>
    </Report>
  </MyReports>
  <Logs>
    <Log type="Info">Process Flow-Through: 000200 - Statement - CONSOLIDATED BALANCE SHEETS</Log>
    <Log type="Info">	Process Flow-Through: Removing column 'Dec. 31, 2010'</Log>
    <Log type="Info">Process Flow-Through: 000300 - Statement - CONSOLIDATED BALANCE SHEETS (Parentheticals)</Log>
    <Log type="Info">Process Flow-Through: 000400 - Statement - CONSOLIDATED STATEMENTS OF INCOME</Log>
    <Log type="Info">Process Flow-Through: 000450 - Statement - CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME</Log>
    <Log type="Info">Process Flow-Through: 000600 - Statement - CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (Parentheticals)</Log>
    <Log type="Info">Process Flow-Through: 000700 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS</Log>
  </Logs>
  <InputFiles>
    <File>dcix-20121231.xml</File>
    <File>dcix-20121231.xsd</File>
    <File>dcix-20121231_cal.xml</File>
    <File>dcix-20121231_def.xml</File>
    <File>dcix-20121231_lab.xml</File>
    <File>dcix-20121231_pre.xml</File>
  </InputFiles>
  <SupplementalFiles />
  <BaseTaxonomies />
  <HasPresentationLinkbase>true</HasPresentationLinkbase>
  <HasCalculationLinkbase>true</HasCalculationLinkbase>
</FilingSummary>
