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v2.4.1.9

Fair Value Measurements - Additional Information (Details) (USD $) In Thousands, unless otherwise specified | 12 Months Ended | 0 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | --- | ---
Dec. 31, 2013 | Apr. 28, 2014 | Dec. 31, 2014 | Oct. 01, 2015 | Jul. 01, 2015
Derivative |  |  |  |  |
Number of interest rate derivatives held by the Company | 2 us-gaap_NumberOfInterestRateDerivativesHeld |  | 9 us-gaap_NumberOfInterestRateDerivativesHeld |  |
8% 2019 Notes fair value |  |  | $ 37,460 us-gaap_NotesPayableFairValueDisclosure |  |
Interest Rate Swap A - fix forward floating interest rate for first tranche of Credit Agricole $70,000 Facility |  |  |  |  |
Derivative |  |  |  |  |
Maturity date | Aug. 31, 2018 |  |  |  |
Derivative Asset Notional Amount | 26,840 us-gaap_DerivativeAssetNotionalAmount / us-gaap_DerivativeByNatureAxis = sblk_InterestRateSwap1Member |  |  |  |
Fixed rate, per annum | 1.705%us-gaap_DerivativeFixedInterestRate / us-gaap_DerivativeByNatureAxis = sblk_InterestRateSwap1Member |  |  |  |
Interest Rate Swap B - fix forward floating interest rate for second tranche of Credit Agricole $70,000 Facility |  |  |  |  |
Derivative |  |  |  |  |
Maturity date | Nov. 30, 2018 |  |  |  |
Derivative Asset Notional Amount | 28,628 us-gaap_DerivativeAssetNotionalAmount / us-gaap_DerivativeByNatureAxis = sblk_InterestRateSwap2Member |  |  |  |
Fixed rate, per annum | 1.72%us-gaap_DerivativeFixedInterestRate / us-gaap_DerivativeByNatureAxis = sblk_InterestRateSwap2Member |  |  |  |
Fix forward 50% of floating interest rate for HSH Nordbank AG $35,000 facility |  |  |  |  |
Derivative |  |  |  |  |
Number of interest rate derivatives held by the Company |  | 2 us-gaap_NumberOfInterestRateDerivativesHeld / us-gaap_DerivativeByNatureAxis = sblk_FixForwardFloatingInterestRateForLiabilityMember |  |  |
Maturity date |  | Sep. 30, 2018 |  |  |
Fixed rate, per annum |  | 1.765%us-gaap_DerivativeFixedInterestRate / us-gaap_DerivativeByNatureAxis = sblk_FixForwardFloatingInterestRateForLiabilityMember |  |  |
Goldman Sachs Swaps |  |  |  |  |
Derivative |  |  |  |  |
Number of interest rate derivatives held by the Company |  |  | 5 us-gaap_NumberOfInterestRateDerivativesHeld / us-gaap_DerivativeByNatureAxis = sblk_GoldmanSachsSwapsMember |  |
Maturity date |  |  | Apr. 30, 2018 |  |
Derivative Asset Notional Amount |  |  | 186,307 us-gaap_DerivativeAssetNotionalAmount / us-gaap_DerivativeByNatureAxis = sblk_GoldmanSachsSwapsMember | 461,264 us-gaap_DerivativeAssetNotionalAmount / us-gaap_DerivativeByNatureAxis = sblk_GoldmanSachsSwapsMember | 186,307 us-gaap_DerivativeAssetNotionalAmount / us-gaap_DerivativeByNatureAxis = sblk_GoldmanSachsSwapsMember
Derivative lower fixed interest rate range |  |  |  |  | 1.79%us-gaap_DerivativeLowerFixedInterestRateRange / us-gaap_DerivativeByNatureAxis = sblk_GoldmanSachsSwapsMember
Derivative higher fixed interest rate range |  |  |  | 2.07%us-gaap_DerivativeHigherFixedInterestRateRange / us-gaap_DerivativeByNatureAxis = sblk_GoldmanSachsSwapsMember |
Credit Agricole and HSH Nordbank Swaps |  |  |  |  |
Derivative |  |  |  |  |
Derivative Asset Notional Amount |  |  | $ 71,562 us-gaap_DerivativeAssetNotionalAmount / us-gaap_DerivativeByNatureAxis = sblk_CreditAgricoleSwapsMember |  |

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