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Vessels and Other Fixed Assets, Net - 2017 (Details) $ in Thousands | 3 Months Ended | 4 Months Ended | 6 Months Ended | 7 Months Ended | 11 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | --- | ---
Mar. 22, 2017 USD ($) | May 15, 2017 USD ($) | Jun. 30, 2017 USD ($) | Jul. 24, 2017 USD ($) | Dec. 08, 2017 USD ($) | Dec. 31, 2018 USD ($) | Dec. 31, 2017 USD ($) | Dec. 31, 2016 USD ($)
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |
Loss / (gain) on sale of vessels |  |  |  |  |  |  | $ 0 | $ (2,598) | $ 15,248
ABN Amro Bank N.V. $30,844 Facility |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |
Issuance date |  |  |  |  |  |  | Jun. 23, 2017 |  |
Face amount |  |  |  |  |  |  | $ 30,844 |  |
ABN Amro Bank N.V. $30,844 Facility | Tranche A |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |
Proceeds from issuance of debt |  |  |  | $ 16,000 |  |  |  |  |
Number of vessels financed |  |  |  |  |  |  | 2 |  |
Star Virgo |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |
Delivery date | [1] |  |  |  |  |  | March 1, 2017 |  |
DWT | [1] |  |  |  |  |  | 207,810 |  |
Star Ariadne |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |
Delivery date | [1] |  |  |  |  |  | March 28, 2017 |  |
DWT | [1] |  |  |  |  |  | 207,812 |  |
Kamsarmax vessels |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |
Number of vessels acquired |  |  |  |  |  |  | 2 |  |
Star Charis |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |
Delivery date |  |  |  |  |  |  | March 22, 2017 |  |
DWT |  |  |  |  |  |  | 81,711 |  |
Total acquisition cost |  | $ 15,150 |  |  |  |  |  |  |
Star Suzanna |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |
Delivery date |  |  |  |  |  |  | May 15, 2017 |  |
DWT |  |  |  |  |  |  | 81,711 |  |
Total acquisition cost |  |  | $ 15,150 |  |  |  |  |  |
Diva |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |
Delivery date |  |  |  |  |  |  | July 24, 2017 |  |
DWT |  |  |  |  |  |  | 56,582 |  |
Total acquisition cost |  |  |  |  | $ 10,500 |  |  |  |
Star Triumph |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |
Delivery date |  |  |  |  |  |  | December 8, 2017 |  |
DWT |  |  |  |  |  |  | 176,343 |  |
Total acquisition cost |  |  |  |  |  | $ 14,200 |  |  |
Star Eleonora |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |
Disposal date |  |  |  |  |  |  | Mar. 31, 2017 |  |
Star Vanessa |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |
Disposal date |  |  |  |  |  |  | Nov. 01, 2017 |  |
[1] | Subject to a bareboat charter with purchase obligation at the expiration of the bareboat term (Note 5)

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