XML 82 R66.htm IDEA: XBRL DOCUMENT
v3.19.1

Advances for vessels under construction and acquisition of vessels (Details) $ in Thousands | 6 Months Ended |  |
--- | --- | --- | ---
Jun. 28, 2018 USD ($) | Dec. 31, 2018 USD ($) | Dec. 31, 2017 USD ($)
Property, Plant and Equipment [Line Items] |  |  |
Advances for vessels under construction and acquisition of vessels |  | $ 59,900 | $ 48,574
OCC vessels | Financed by CSSC |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Secured financing related to commitments payments | $ 104,400 |  |
Commitments for vessels under construction | $ 103,844 |  |
Capital leased assets, Number of vessels | 3 |  |
Description of Capital leases, Term of contract | Bareboat charter for ten years |  |
Total aggregate remaining contracted price plus agreed additional amounts |  | 95,700 |
OCC vessels | Financed by CSSC | Per vessel |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Capital lease obligation recognised | $ 34,800 |  |
Vessel purchase price obligation | $ 10,440 |  |
OCC vessels | Financed by CSSC | First OCC Vessel |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Capital lease obligation recognised |  | 4,350 |
OCC vessels | Financed by CSSC | Second OCC Vessel |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Capital lease obligation recognised |  | 4,350 |
Step 1 Acquisition |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Advances for vessels under construction and acquisition of vessels |  | $ 4,880 |

X
- Definition Amount of commitments which may be required in performing under a construction-type contract. + References No definition available. + Details
Name: | sblk_CommitmentsForContractsInProcess
Namespace Prefix: | sblk_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Purchase price payable at the end of the bareboat charter. + References No definition available. + Details
Name: | sblk_PurchasePriceObligation
Namespace Prefix: | sblk_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

X
- Definition The total financing that the company has secured under loan and lease agreements, in order to pay future commitments. + References No definition available. + Details
Name: | sblk_SecuredFinancingRelatedToCommitmentsPayments
Namespace Prefix: | sblk_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The total amount of the fixed and determinable portion of the unrecorded unconditional purchase obligation to be paid within and after one year from the balance sheet date. + References No definition available. + Details
Name: | sblk_TotalContractualPurchaseObligation
Namespace Prefix: | sblk_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The number of units (items of property) under capital lease arrangements. + References No definition available. + Details
Name: | us-gaap_CapitalLeasedAssetsNumberOfUnits
Namespace Prefix: | us-gaap_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | instant

X
- Definition Amount of structure or a modification to a structure under construction. Includes recently completed structures or modifications to structures that have not been placed into service. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 + Details
Name: | us-gaap_ConstructionInProgressGross
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition A general description of the lessee's leasing arrangements including, but not limited to, the following: a) the basis on which contingent rental payments are determined; (b) the existence and terms of renewal or purchase options and escalation clauses; (c) restrictions imposed by lease agreements, such as those concerning dividends, additional debt, and further leasing. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=84164451&loc=d3e36991-112694 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 10 -Section 15 -Paragraph 17 -URI http://asc.fasb.org/extlink&oid=108795181&loc=d3e32400-112679 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 440 -SubTopic 10 -Section 25 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=77904769&loc=SL2265659-115463 + Details
Name: | us-gaap_DescriptionOfLesseeLeasingArrangementsCapitalLeases
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of lessee's undiscounted obligation for lease payments for finance lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918701-209980 + Details
Name: | us-gaap_FinanceLeaseLiabilityPaymentsDue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_PropertyPlantAndEquipmentLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=sblk_NewbuildingVesselsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_TypeOfArrangementAxis=sblk_FinancedByCSSCMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementScenarioAxis=sblk_OCCVesselsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementScenarioAxis=sblk_FirstOCCMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementScenarioAxis=sblk_SecondOCCMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=sblk_Step1AcquisitionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |