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v2.4.1.9

Long term Debt (Details) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Long term debt [Line Items] |  |  |
Weighted average interest rate | 3.53%us-gaap_LongtermDebtWeightedAverageInterestRate | 3.34%us-gaap_LongtermDebtWeightedAverageInterestRate | 2.92%us-gaap_LongtermDebtWeightedAverageInterestRate
Write off of unamortized deferred financing fees | $ 652 us-gaap_GainsLossesOnExtinguishmentOfDebt | $ 0 us-gaap_GainsLossesOnExtinguishmentOfDebt | $ 0 us-gaap_GainsLossesOnExtinguishmentOfDebt
Excel vessel Bridge Facility |  |  |
Long term debt [Line Items] |  |  |
Write off of unamortized deferred financing fees | (652)us-gaap_GainsLossesOnExtinguishmentOfDebt / us-gaap_DebtInstrumentAxis = sblk_ExcelVesselBridgeFacilityIIMember |  |
First-priority mortgage |  |  |
Long term debt [Line Items] |  |  |
Vessel Net | 1,441,086 sblk_VesselNet / us-gaap_DebtInstrumentAxis = sblk_First-priorityMortgageMember |  |
Second-priority mortgage |  |  |
Long term debt [Line Items] |  |  |
Vessel Net | $ 57,967 sblk_VesselNet / us-gaap_DebtInstrumentAxis = sblk_Second-priorityMortgageMember |  |

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- Definition The carrying amount of the vessel. + References No definition available. + Details
Name: | sblk_VesselNet
Namespace Prefix: | sblk_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Details
Name: | us-gaap_DebtInstrumentLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity. + 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 470 -SubTopic 50 -Section 40 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6850294&loc=d3e12317-112629 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 50 -Section 40 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6850294&loc=d3e12355-112629 + Details
Name: | us-gaap_GainsLossesOnExtinguishmentOfDebt
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Weighted average interest rate of long-term debt outstanding. + References No definition available. + Details
Name: | us-gaap_LongtermDebtWeightedAverageInterestRate
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

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- Details
Name: | us-gaap_DebtInstrumentAxis=sblk_ExcelVesselBridgeFacilityIIMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=sblk_First-priorityMortgageMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=sblk_Second-priorityMortgageMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |