XML 83 R69.htm IDEA: XBRL DOCUMENT
v3.6.0.2

Long-term Debt - Terminated Facilities (Details) | 5 Months Ended | 7 Months Ended | 11 Months Ended | 12 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | ---
May 27, 2015 USD ($) | Jul. 31, 2013 USD ($) | Dec. 10, 2014 USD ($) | Dec. 31, 2016 USD ($) | Dec. 31, 2014 USD ($) | Sep. 30, 2016 USD ($) | Sep. 30, 2015 USD ($) | Jun. 30, 2015 USD ($) | Mar. 31, 2015 USD ($)
Long-term debt [Line Items] |  |  |  |  |  |  |  |  |
Amount of equity to be raised under debt instrument covenants |  |  |  |  |  | $ 50,000,000 |  |  |
ABN Amro Bank N.V. $31,000 facility |  |  |  |  |  |  |  |  |
Long-term debt [Line Items] |  |  |  |  |  |  |  |  |
Initiation date |  |  |  | Jul. 21, 2011 |  |  |  |  |
Maximum borrowing capacity |  |  |  | $ 31,000,000 |  |  |  |  |
Expiration date |  |  |  | Jun. 30, 2015 |  |  |  |  |
Vessels provided as collateral |  |  |  | The ABN AMRO $31,000 Facility was secured by a first priority mortgage over the Star Big and Star Mega vessels |  |  |  |  |
Number of vessels financed |  |  |  | 2 |  |  |  |  |
Interest rate, Margin increase |  | 0.50% |  |  |  |  |  |  |
Amount of equity to be raised under debt instrument covenants |  | $ 30,000,000 |  |  |  |  |  |  |
BNP $32,480 Facility |  |  |  |  |  |  |  |  |
Long-term debt [Line Items] |  |  |  |  |  |  |  |  |
Initiation date |  |  |  | Dec. 03, 2014 |  |  |  |  |
Amount drawn down |  |  |  |  | $ 32,480,000 |  |  |  |
Maximum borrowing capacity |  |  |  | $ 32,500,000 |  |  |  |  |
Expiration date |  |  |  | Apr. 30, 2016 |  |  |  |  |
Number of installments |  |  |  | 20 |  |  |  |  |
Frequency of payments |  |  |  | quarterly |  |  |  |  |
Repayment installment |  |  |  | $ 537,200 |  |  |  |  |
Balloon installment |  |  |  | $ 21,737,000 |  |  |  |  |
Vessels provided as collateral |  |  |  | The BNP $32,480 Facility is secured by a first priority mortgage over the Indomitable vessel and general and specific assignments |  |  |  |  |
Excel Vessel Bridge Facility (Note 3) |  |  |  |  |  |  |  |  |
Long-term debt [Line Items] |  |  |  |  |  |  |  |  |
Initiation date |  |  |  | Aug. 19, 2014 |  |  |  |  |
Amount drawn down |  |  |  |  | 195,914,000 |  |  |  |
Maximum borrowing capacity |  |  |  | $ 231,000,000 |  |  |  |  |
Expiration date |  |  |  | Jan. 29, 2015 |  |  |  |  |
Prepayment amount |  |  |  |  | $ 139,753,000 |  | $ 6,000,000 | $ 6,000,000 | $ 6,000,000
Excel Vessel CiT Facility |  |  |  |  |  |  |  |  |
Long-term debt [Line Items] |  |  |  |  |  |  |  |  |
Initiation date |  |  |  | Dec. 09, 2014 |  |  |  |  |
Amount drawn down |  |  | $ 30,000,000 |  |  |  |  |  |
Maximum borrowing capacity |  |  |  | $ 30,000,000 |  |  |  |  |
Date of first required payment |  |  |  | Mar. 31, 2015 |  |  |  |  |
Expiration date |  |  |  | Jun. 10, 2015 |  |  |  |  |
Frequency of payments |  |  |  | quarterly |  |  |  |  |
Repayment installment |  |  |  | $ 500,000 |  |  |  |  |
Vessels provided as collateral |  |  |  | The Excel Vessel CiT Facility was secured on a first-priority basis by 11 Excel Vessels, which consist of nine Panamax and two Handymax vessels |  |  |  |  |
Number of vessels financed |  |  |  | 11 |  |  |  |  |
DVB $31,000 Facility |  |  |  |  |  |  |  |  |
Long-term debt [Line Items] |  |  |  |  |  |  |  |  |
Initiation date |  |  |  | May 21, 2015 |  |  |  |  |
Amount drawn down | $ 28,680,000 |  |  |  |  |  |  |  |
Maximum borrowing capacity |  |  |  | $ 31,000,000 |  |  |  |  |
Expiration date |  |  |  | Mar. 31, 2016 |  |  |  |  |
Number of installments |  |  |  | 24 |  |  |  |  |
Frequency of payments |  |  |  | quarterly |  |  |  |  |
Repayment installment |  |  |  | $ 476,500 |  |  |  |  |
Balloon installment |  |  |  | $ 17,245,000 |  |  |  |  |
Vessels provided as collateral |  |  |  | The DVB $31,000 Facility was secured by a first priority mortgage over the Deep Blue (ex-HN 5017) vessel and general and specific assignments |  |  |  |  |
BNP $39,500 Facility |  |  |  |  |  |  |  |  |
Long-term debt [Line Items] |  |  |  |  |  |  |  |  |
Initiation date |  |  |  | Mar. 13, 2015 |  |  |  |  |
Maximum borrowing capacity |  |  |  | $ 39,500,000 |  |  |  |  |
Expiration date |  |  |  | Jan. 31, 2016 |  |  |  |  |
Number of vessels financed |  |  |  | 2 |  |  |  |  |
HSBC $20,000 Dioriga Facility |  |  |  |  |  |  |  |  |
Long-term debt [Line Items] |  |  |  |  |  |  |  |  |
Initiation date |  |  |  | Apr. 14, 2014 |  |  |  |  |
Maximum borrowing capacity |  |  |  | $ 20,000,000 |  |  |  |  |
Expiration date |  |  |  | Jan. 31, 2016 |  |  |  |  |
Number of installments |  |  |  | 20 |  |  |  |  |
Frequency of payments |  |  |  | quarterly |  |  |  |  |
Repayment installment |  |  |  | $ 350,000 |  |  |  |  |
Balloon installment |  |  |  | $ 13,000,000 |  |  |  |  |
Vessels provided as collateral |  |  |  | The HSBC $20,000 Dioriga Facility was secured by a first priority mortgage over the Tsu Ebisu vessel and general and specific assignments. |  |  |  |  |
CEXIM $57,360 Facility |  |  |  |  |  |  |  |  |
Long-term debt [Line Items] |  |  |  |  |  |  |  |  |
Initiation date |  |  |  | Jun. 26, 2014 |  |  |  |  |
Maximum borrowing capacity |  |  |  | $ 57,360,000 |  |  |  |  |
Expiration date |  |  |  | Dec. 31, 2015 |  |  |  |  |
Number of loan tranches |  |  |  | 2 |  |  |  |  |
Number of vessels financed |  |  |  | 2 |  |  |  |  |
CEXIM $57,360 Facility | Tranche A |  |  |  |  |  |  |  |  |
Long-term debt [Line Items] |  |  |  |  |  |  |  |  |
Maximum borrowing capacity |  |  |  | $ 28,680,000 |  |  |  |  |
CEXIM $57,360 Facility | Tranche B |  |  |  |  |  |  |  |  |
Long-term debt [Line Items] |  |  |  |  |  |  |  |  |
Maximum borrowing capacity |  |  |  | $ 28,680,000 |  |  |  |  |

X
- Definition States the amount of equity that the company is obliged to raise under the debt instrument covenants. + References No definition available. + Details
Name: | sblk_DebtInstrumentCovenantAmountOfEquityToBeRaised
Namespace Prefix: | sblk_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of debt prepaid. + References No definition available. + Details
Name: | sblk_DebtInstrumentPrepaymentAmount
Namespace Prefix: | sblk_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Number of repayment installments of a credit facility agreement. + References No definition available. + Details
Name: | sblk_LineOfCreditFacilityNumberOfRepaymentInstallment
Namespace Prefix: | sblk_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition The number of tranches under the credit facility. + References No definition available. + Details
Name: | sblk_NumberOfLoanTranches
Namespace Prefix: | sblk_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition The number of vessels financed by the debt instrument. + References No definition available. + Details
Name: | sblk_NumberOfVesselFinancedByDebtInstrument
Namespace Prefix: | sblk_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Incremental percentage increase (decrease) in the stated rate on a debt instrument. + References No definition available. + Details
Name: | us-gaap_DebtInstrumentInterestRateIncreaseDecrease
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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_DebtInstrumentLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of payment greater than the preceding installment payments to be paid at final maturity date of debt. + References No definition available. + Details
Name: | us-gaap_DebtInstrumentPeriodicPaymentTermsBalloonPaymentToBePaid
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Discussion of whether the borrowings under the credit facility are secured or unsecured and, if secured, a description of collateral (for example, accounts receivable less than 120 days old, finished goods inventory). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(b)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 3: 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(19)(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(16)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 5: 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(22)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(13)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
Name: | us-gaap_LineOfCreditFacilityCollateral
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Date the first payment under the line of credit must be paid, in CCYY-MM-DD format. + References 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 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_LineOfCreditFacilityDateOfFirstRequiredPayment1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

X
- Definition Date the credit facility terminates, in CCYY-MM-DD format. + References 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 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_LineOfCreditFacilityExpirationDate1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

X
- Definition Description of the frequency of periodic payments, which may be presented in a variety of ways (for example, monthly, quarterly, annually). + References 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 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_LineOfCreditFacilityFrequencyOfPayments
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Date the credit facility first became available, in CCYY-MM-DD format. + References 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 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_LineOfCreditFacilityInitiationDate1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

X
- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + References 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 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of the required periodic payments of both interest and principal. + References 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 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_LineOfCreditFacilityPeriodicPayment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of cash inflow from contractual arrangement with the lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3255-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(f)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
Name: | us-gaap_ProceedsFromLinesOfCredit
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_LineOfCreditFacilityAxis=sblk_AbnAmroBankMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LineOfCreditFacilityAxis=sblk_BNPFacilityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LineOfCreditFacilityAxis=sblk_ExcelVesselBridgeFacilityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LineOfCreditFacilityAxis=sblk_ExcelVesselCITFacilityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LineOfCreditFacilityAxis=sblk_DVBDeepBlueFacilityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LineOfCreditFacilityAxis=sblk_BNPCommittedTermSheetMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LineOfCreditFacilityAxis=sblk_DiorigaFacilityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LineOfCreditFacilityAxis=sblk_CEXIMFacilityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CreditFacilityAxis=sblk_Tranche1Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CreditFacilityAxis=sblk_Tranche2Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |