2.4.0.84030 - Disclosure - Restricted Cash (Details)truefalseIn Thousands, unless otherwise specifiedfalse1false USDfalsefalse$I2013Q2http://www.sec.gov/CIK0001369241instant2013-06-30T00:00:000001-01-01T00:00:00USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$2false USDfalsefalse$I2012http://www.sec.gov/CIK0001369241instant2012-12-31T00:00:000001-01-01T00:00:00USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$3false USDtruefalse$I2013Q2_InterestRateSwapMemberhttp://www.sec.gov/CIK0001369241instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseOutstanding swapsus-gaap_MajorTypesOfDebtAndEquitySecuritiesAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_InterestRateSwapMemberus-gaap_MajorTypesOfDebtAndEquitySecuritiesAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$4false USDtruefalse$I2012_InterestRateSwapMemberhttp://www.sec.gov/CIK0001369241instant2012-12-31T00:00:000001-01-01T00:00:00falsefalseOutstanding swapsus-gaap_MajorTypesOfDebtAndEquitySecuritiesAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_InterestRateSwapMemberus-gaap_MajorTypesOfDebtAndEquitySecuritiesAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$5false USDtruefalse$D2013Q2_M0514_AmaliaCMemberhttp://www.sec.gov/CIK0001369241duration2013-05-13T00:00:002013-05-14T00:00:00falsefalseAmalia Cus-gaap_PropertyPlantAndEquipmentByTypeAxisxbrldihttp://xbrl.org/2006/xbrldidac_AmaliaCMemberus-gaap_PropertyPlantAndEquipmentByTypeAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170ItemStandardhttp://www.danaos.com/20130630itemdac0USDUSD$6false USDtruefalse$D2013Q2YTD_AmaliaCMemberhttp://www.sec.gov/CIK0001369241duration2013-01-01T00:00:002013-06-30T00:00:00falsefalseAmalia Cus-gaap_PropertyPlantAndEquipmentByTypeAxisxbrldihttp://xbrl.org/2006/xbrldidac_AmaliaCMemberus-gaap_PropertyPlantAndEquipmentByTypeAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170ItemStandardhttp://www.danaos.com/20130630itemdac0USDUSD$7false USDtruefalse$D2013Q2_M0625_NiledutchZebraMemberhttp://www.sec.gov/CIK0001369241duration2013-06-24T00:00:002013-06-25T00:00:00falsefalseNiledutch Zebraus-gaap_PropertyPlantAndEquipmentByTypeAxisxbrldihttp://xbrl.org/2006/xbrldidac_NiledutchZebraMemberus-gaap_PropertyPlantAndEquipmentByTypeAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170ItemStandardhttp://www.danaos.com/20130630itemdac0USDUSD$8false USDtruefalse$D2013Q2YTD_NiledutchZebraMemberhttp://www.sec.gov/CIK0001369241duration2013-01-01T00:00:002013-06-30T00:00:00falsefalseNiledutch Zebraus-gaap_PropertyPlantAndEquipmentByTypeAxisxbrldihttp://xbrl.org/2006/xbrldidac_NiledutchZebraMemberus-gaap_PropertyPlantAndEquipmentByTypeAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170ItemStandardhttp://www.danaos.com/20130630itemdac0USDUSD$9false truefalseD2013Q2YTD_HSHNordbankAGAegeanBalticBankPiraeusBankMember_MaximumMemberhttp://www.sec.gov/CIK0001369241duration2013-01-01T00:00:002013-06-30T00:00:00falsefalseMaximumus-gaap_RangeAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_MaximumMemberus-gaap_RangeAxisexplicitMemberfalsefalseHSH Nordbank AG-Aegean Baltic Bank-Piraeus Bankus-gaap_LineOfCreditFacilityAxisxbrldihttp://xbrl.org/2006/xbrldidac_HSHNordbankAGAegeanBalticBankPiraeusBankMemberus-gaap_LineOfCreditFacilityAxisexplicitMemberItemStandardhttp://www.danaos.com/20130630itemdac010false USDtruefalse$I2013Q2_RetentionAccountMemberhttp://www.sec.gov/CIK0001369241instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseRetention accountus-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsAxisxbrldihttp://xbrl.org/2006/xbrldidac_RetentionAccountMemberus-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$11false USDtruefalse$I2012_RetentionAccountMemberhttp://www.sec.gov/CIK0001369241instant2012-12-31T00:00:000001-01-01T00:00:00falsefalseRetention accountus-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsAxisxbrldihttp://xbrl.org/2006/xbrldidac_RetentionAccountMemberus-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$12false USDtruefalse$I2013Q2_RestrictedDepositsMemberhttp://www.sec.gov/CIK0001369241instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseRestricted depositsus-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsAxisxbrldihttp://xbrl.org/2006/xbrldidac_RestrictedDepositsMemberus-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$13false USDtruefalse$I2012_RestrictedDepositsMemberhttp://www.sec.gov/CIK0001369241instant2012-12-31T00:00:000001-01-01T00:00:00falsefalseRestricted depositsus-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsAxisxbrldihttp://xbrl.org/2006/xbrldidac_RestrictedDepositsMemberus-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsAxisexplicitMemberUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$1true 3us-gaap_RestrictedCashAndCashEquivalentsItemsLineItemsus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalse5falsefalsefalse00falsefalsefalse6falsefalsefalse00falsefalsefalse7falsefalsefalse00falsefalsefalse8falsefalsefalse00falsefalsefalse9falsefalsefalse00falsefalsefalse10falsefalsefalse00falsefalsefalse11falsefalsefalse00falsefalsefalse12falsefalsefalse00falsefalsefalse13falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Restricted cash2false 4us-gaap_RestrictedCashAndCashEquivalentsus-gaap_truedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse1884100018841USD$falsetruefalse2truefalsefalse32510003251USD$falsetruefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalse5falsefalsefalse00falsefalsefalse6falsefalsefalse00falsefalsefalse7falsefalsefalse00falsefalsefalse8falsefalsefalse00falsefalsefalse9falsefalsefalse00falsefalsefalse10truefalsefalse28150002815USD$falsetruefalse11truefalsefalse28210002821USD$falsetruefalse12truefalsefalse1602600016026USD$falsetruefalse13truefalsefalse430000430USD$falsetruefalsexbrli:monetaryItemTypemonetaryThe carrying amounts of cash and cash equivalent items which are restricted as to withdrawal or usage. Restrictions may include legally restricted deposits held as compensating balances against borrowing arrangements, contracts entered into with others, or entity statements of intention with regard to particular deposits; however, time deposits and short-term certificates of deposit are not generally included in legally restricted deposits. Excludes compensating balance arrangements that are not agreements which legally restrict the use of cash amounts shown on the balance sheet. This element is for unclassified presentations; for classified presentations there is a separate and distinct element.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Audit and Accounting Guide (AAG) -Number AAG-BRD -Paragraph 80 -Subparagraph Exhibit 4-8, 3 -IssueDate 2006-05-01 -Chapter 4 -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. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.1) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 1 -Article 5 false2Total restricted cash3false 4dac_NumberOfVesselsUnderOptionProvidedByBankAgreementdac_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalse5falsefalsefalse00falsefalsefalse6falsefalsefalse00falsefalsefalse7falsefalsefalse00falsefalsefalse8falsefalsefalse00falsefalsefalse9truefalsefalse99falsefalsefalse10falsefalsefalse00falsefalsefalse11falsefalsefalse00falsefalsefalse12falsefalsefalse00falsefalsefalse13falsefalsefalse00falsefalsefalsexbrli:integerItemTypeintegerRepresents the number of vessels that the entity can sell under the option provided by the Bank Agreement.No definition available.false256Number of vessels that the company can sell under the option provided by the agreement4false 4dac_OverallContainerCapacityNumberOfTwentyFootEquivalentUnitsdac_falsenainstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalse5truefalsefalse24522452falsefalsefalse6truefalsefalse24522452falsefalsefalse7truefalsefalse26022602falsefalsefalse8truefalsefalse26022602falsefalsefalse9falsefalsefalse00falsefalsefalse10falsefalsefalse00falsefalsefalse11falsefalsefalse00falsefalsefalse12falsefalsefalse00falsefalsefalse13falsefalsefalse00falsefalsefalsexbrli:integerItemTypeintegerRepresents the vessels' overall container capacity in number of twenty-foot-equivalent units (TEU).No definition available.false256TEU5false 4us-gaap_PropertyPlantAndEquipmentAdditionsus-gaap_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:monetaryItemTypemonetaryAcquisition of long-lived, physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.No definition available.false2Property, plant and equipment acquired6false 4us-gaap_RestrictedCashAndCashEquivalentsNoncurrentus-gaap_truedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truefalsefalse1602600016026USD$falsetruefalse2truefalsefalse430000430USD$falsetruefalse3truefalsefalse400000400USD$falsetruefalse4truefalsefalse400000400USD$falsetruefalse5falsefalsefalse00falsefalsefalse6falsefalsefalse00falsefalsefalse7falsefalsefalse00falsefalsefalse8truefalsefalse1560000015600USD$falsetruefalse9falsefalsefalse00falsefalsefalse10falsefalsefalse00falsefalsefalse11falsefalsefalse00falsefalsefalse12falsefalsefalse00falsefalsefalse13falsefalsefalse00falsefalsefalsexbrli:monetaryItemTypemonetaryCash and equivalents whose use in whole or in part is restricted for the long-term, generally by contractual agreements or regulatory requirements.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.1) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 1 -Article 5 false2Non-current restricted cashfalseRestricted Cash (Details) (USD $)ThousandsUnKnownUnKnownUnKnowntruefalsefalseSheethttp://www.danaos.com/role/DisclosureRestrictedCashDetails136