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Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3602-108585 false2Depreciation7false 3us-gaap_AmortizationOfDeferredChargesus-gaap_truedebitdurationfalsefalsefalsefalsefalsefalsefalsetruenegatedLabel1truefalsefalse-1449000-1449falsefalsefalse2truefalsefalse-1412000-1412falsefalsefalse3truefalsefalse-3179000-3179falsefalsefalse4truefalsefalse-2614000-2614falsefalsefalsexbrli:monetaryItemTypemonetaryThe amount of amortization of deferred charges applied against earnings during the period.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 28 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. 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Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.3) -URI http://asc.fasb.org/extlink&oid=6880815&loc=d3e20235-122688 false2Amortization of deferred drydocking and special survey costs8false 3us-gaap_GeneralAndAdministrativeExpenseus-gaap_truedebitdurationfalsefalsefalsefalsefalsefalsefalsetruenegatedLabel1truefalsefalse-4746000-4746falsefalsefalse2truefalsefalse-5247000-5247falsefalsefalse3truefalsefalse-9663000-9663falsefalsefalse4truefalsefalse-10084000-10084falsefalsefalsexbrli:monetaryItemTypemonetaryThe aggregate total of expenses of managing and administering the affairs of an entity, including affiliates of the reporting entity, which are not directly or indirectly associated with the manufacture, sale or creation of a product or product line.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.4) -URI http://asc.fasb.org/extlink&oid=6880815&loc=d3e20235-122688 false2General and administrative expenses9false 3us-gaap_GainLossOnSaleOfPropertyPlantEquipmentus-gaap_truecreditdurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse171000171falsefalsefalse2truefalsefalse830000830falsefalsefalse3truefalsefalse156000156falsefalsefalse4truefalsefalse830000830falsefalsefalsexbrli:monetaryItemTypemonetaryThe difference between the sale price or salvage price and the book value of a property, plant, and equipment asset that was sold or retired during the reporting period. 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