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v2.4.1.9

Vessels, detail (Details) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Movement in Property, Plant and Equipment [Roll Forward] |  |  |
Vessels' cost, beginning balance | $ 284,108 us-gaap_PropertyPlantAndEquipmentGross | $ 280,812 us-gaap_PropertyPlantAndEquipmentGross |
Acquisitions and other vessel's costs | 60,379 us-gaap_PropertyPlantAndEquipmentAdditions | 107,864 us-gaap_PropertyPlantAndEquipmentAdditions |
Vessels' disposals | (11,409)us-gaap_PropertyPlantAndEquipmentDisposals | (62,245)us-gaap_PropertyPlantAndEquipmentDisposals |
Impairment charges | 0 us-gaap_AssetImpairmentCharges | (42,323)us-gaap_AssetImpairmentCharges | 0 us-gaap_AssetImpairmentCharges
Vessels' cost, ending balance | 333,078 us-gaap_PropertyPlantAndEquipmentGross | 284,108 us-gaap_PropertyPlantAndEquipmentGross | 280,812 us-gaap_PropertyPlantAndEquipmentGross
Movement in Accumulated Depreciation, Depletion and Amortization, Property, Plant and Equipment [Roll Forward] |  |  |
Accumulated depreciation, beginning balance | (18,736)us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment | (19,867)us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment |
Accumulated depreciation, vessels' disposals | 1,929 us-gaap_AccumulatedDepreciationDepletionAndAmortizationSaleOfPropertyPlantAndEquipment | 12,101 us-gaap_AccumulatedDepreciationDepletionAndAmortizationSaleOfPropertyPlantAndEquipment |
Depreciation for the period | (10,177)us-gaap_Depreciation | (10,970)us-gaap_Depreciation |
Accumulated depreciation, ending balance | (26,984)us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment | (18,736)us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment | (19,867)us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
Property, Plant and Equipment, Net, by Type [Abstract] |  |  |
Vessels' net book value, beginning balance | 265,372 us-gaap_PropertyPlantAndEquipmentNet | 260,945 us-gaap_PropertyPlantAndEquipmentNet |
Vessel's net book value, ending balance | $ 306,094 us-gaap_PropertyPlantAndEquipmentNet | $ 265,372 us-gaap_PropertyPlantAndEquipmentNet | $ 260,945 us-gaap_PropertyPlantAndEquipmentNet

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- Definition Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 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 210.5-02.14) -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 14 -Article 5 + Details
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- Definition The decrease in accumulated depreciation, depletion and amortization (relating to property, plant and equipment) as a result of sales or disposals of property, plant and equipment during the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 + Details
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- Definition Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill. + References Reference 1: 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=31042434&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=8077374&loc=d3e2420-110228 + Details
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- Definition The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation. + References Reference 1: 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=31042434&loc=d3e3602-108585 + Details
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- Definition Amount of acquisition 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. + References No definition available. + Details
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