2.4.0.8004250 - Disclosure - Prepaid charter revenue, detail (Details)truefalseIn Thousands, unless otherwise specifiedfalse1false USDfalsefalse$AS_OF_Jun30_2013http://www.sec.gov/CIK0001481241instant2013-06-30T00:00:000001-01-01T00:00:00USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$2false USDfalsefalse$AS_OF_Dec31_2012http://www.sec.gov/CIK0001481241instant2012-12-31T00:00:000001-01-01T00:00:00USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$1true 3us-gaap_FiniteLivedIntangibleAssetsLineItemsus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Finite-Lived Intangible Assets [Line Items]2false 4us-gaap_FiniteLivedIntangibleAssetsNetus-gaap_truedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse2858600028586USD$falsetruefalse2truefalsefalse2979600029796USD$falsetruefalsexbrli:monetaryItemTypemonetaryAmount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=7658586&loc=d3e16323-109275 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 45 -Subparagraph a(1) -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. false2Prepaid charter revenue from time-charter attached3false 4dcix_PrepaidCharterRevenueFromVaryingCharterRatesdcix_falsedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse161000161falsefalsefalse2truefalsefalse122000122falsefalsefalsexbrli:monetaryItemTypemonetaryAn asset resulting from charter agreements providing for varying charter rates over their term, for which revenue is recognized on a straight-line basis.No definition available.false2Deferred asset from varying charter rates4false 4dcix_PrepaidCharterRevenueNoncurrentdcix_falsedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse2874700028747USD$falsetruefalse2truefalsefalse2991800029918USD$falsetruefalsexbrli:monetaryItemTypemonetaryUnamortized balance of assets associated with acquisition of vessels with time charter attached and assets resulting from charter agreements with varying charter rates.No definition available.false2Prepaid charter revenuefalsePrepaid charter revenue, detail (Details) (USD $)ThousandsUnKnownUnKnownUnKnowntruefalsefalseSheethttp://www.dcontainerships.com/role/PrepaidCharterRevenueDetailDetails24