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Vessels and Other Fixed Assets, Net (Details) $ in Thousands |  |  | 2 Months Ended | 5 Months Ended | 6 Months Ended | 7 Months Ended | 8 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Jan. 08, 2016 USD ($) | Jan. 06, 2016 USD ($) | Mar. 02, 2016 USD ($) | Feb. 26, 2016 USD ($) | Mar. 13, 2015 USD ($) | Feb. 27, 2015 USD ($) | May 27, 2015 USD ($) | Jun. 30, 2016 USD ($) | Jul. 15, 2015 USD ($) | Jul. 11, 2014 USD ($) shares | Aug. 07, 2015 USD ($) | Jul. 22, 2015 USD ($) | Aug. 31, 2016 USD ($) | Aug. 19, 2014 USD ($) shares | Oct. 09, 2015 USD ($) | Dec. 31, 2016 USD ($) | Dec. 31, 2015 USD ($) shares | Dec. 31, 2014 USD ($) shares
Vessels [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Payments to acquire property plant and equipment |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 396,154 | $ 473,917 | $ 518,447
Loss on sale of vessel |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 15,248 | 20,585 | 0
Impairment loss of disposed assets |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 18,537 | 219,400 |
Impairment loss of assets held for use |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 10,684 | 102,578 |
Impairment loss |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 29,221 | 321,978 | 0
Amortization of deferred gain |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 75 | 22 | 0
Repayments of debt |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 181,201 | $ 244,529 | 173,986
Vessels subsequently recognized as held for sale |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 8,000 |  |
BNP $32,480 Facility |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Vessels [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount drawn down |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 32,480
DVB $31,000 Deep Blue Facility |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Vessels [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount drawn down |  |  |  |  |  |  | $ 28,680 |  |  |  |  |  |  |  |  |  |  |
Star Sirius and Star Vega |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Vessels [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of vessels acquired |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 |  |
Star Vega |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Vessels [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Gross daily charter rate |  |  |  |  |  |  |  |  |  |  |  |  | $ 15 |  |  |  |  |
Delivery date |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | February 13, 2014 |  |
DWT |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 98,681 |  |
Star Sirius |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Vessels [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Gross daily charter rate |  |  |  |  |  |  |  | $ 15 |  |  |  |  |  |  |  |  |  |
Delivery date |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | March 7, 2014 |  |
DWT |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 98,681 |  |
Merger and Pappas Transaction |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Vessels [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of vessels acquired |  |  |  |  |  |  |  |  |  | 13 |  |  |  |  |  |  |  |
Fair value of vessels acquired |  |  |  |  |  |  |  |  |  | $ 426,000 |  |  |  |  |  |  |  |
Peloreus |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Vessels [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Delivery date |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | July 22, 2014 |  |
DWT |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 182,496 |  |
Payments to acquire property plant and equipment |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 34,625
Peloreus | Deutsche Bank AG $85,000 Facility |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Vessels [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount drawn down |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 32,500
Leviathan |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Vessels [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Delivery date |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | September 19, 2014 |  |
DWT |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 182,511 |  |
Payments to acquire property plant and equipment |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 34,625
Leviathan | Deutsche Bank AG $85,000 Facility |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Vessels [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount drawn down |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 32,500
Excel Vessels |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Vessels [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Contracted purchase price |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 501,535
Number of vessels acquired |  |  |  |  |  |  |  |  |  |  |  |  |  | 34 |  |  |  |
Number of vessels delivered |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 6 | 28
Shares to acquire vessels | shares |  |  |  |  |  |  |  |  |  |  |  |  |  | 5,983,462 |  |  | 851,577 | 5,131,885
Payments to acquire property plant and equipment |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 288,391 |  |  | $ 39,475 | $ 248,751
Held in escrow for Heron vessels |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Vessels [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shares to acquire vessels | shares |  |  |  |  |  |  |  |  |  | 423,141 |  |  |  |  |  |  |  |
Heron vessels |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Vessels [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Delivery date |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | December 5, 2014 |  |
Number of vessels acquired |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 |  |
Payments to acquire property plant and equipment |  |  |  |  |  |  |  |  |  | $ 25,000 |  |  |  |  |  |  |  |
Value of common shares issued for acquisition of Heron Vessels |  |  |  |  |  |  |  |  |  | $ 25,080 |  |  |  |  |  |  |  |
Star Kim |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Vessels [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disposal date |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Jan. 21, 2015 |  |
Number of vessels sold |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 |  |
Advances from sale of vessel |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,100
Indomitable |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Vessels [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Delivery date |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Jan. 08, 2015 |  |
Payments to acquire property plant and equipment |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 34,942
Honey Badger |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Vessels [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Delivery date |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | February 27, 2015 |  |
DWT |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 61,320 |  |
Payments to acquire property plant and equipment |  |  |  |  |  | $ 19,422 |  |  |  |  |  |  |  |  |  |  |  |
Wolverine |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Vessels [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Delivery date |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | February 27, 2015 |  |
DWT |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 61,292 |  |
Payments to acquire property plant and equipment |  |  |  |  |  | $ 19,422 |  |  |  |  |  |  |  |  |  |  |  |
Honey Badger and Wolverine | Sinosure Facility |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Vessels [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount drawn down |  |  |  |  | $ 38,162 |  |  |  |  |  |  |  |  |  |  |  |  |
Idee Fixe |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Vessels [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Delivery date |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | March 25, 2015 |  |
DWT |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 63,458 |  |
Roberta |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Vessels [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Delivery date |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | March 31, 2015 |  |
DWT |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 63,426 |  |
Laura |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Vessels [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Delivery date |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | April 7, 2015 |  |
DWT |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 63,399 |  |
Kaley |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Vessels [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Delivery date |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | June 26, 2015 |  |
DWT |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 63,283 |  |
Gargantua |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Vessels [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Delivery date |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | April 2, 2015 |  |
DWT |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 209,529 |  |
Goliath |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Vessels [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Delivery date |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | July 15, 2015 |  |
DWT |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 209,537 |  |
Maharaj |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Vessels [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Delivery date |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | July 15, 2015 |  |
DWT |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 209,472 |  |
Gargantua, Goliath and Maharaj |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Vessels [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Payments to acquire property plant and equipment |  |  |  |  |  |  |  |  | $ 113,046 |  |  |  |  |  |  |  |  |
Gargantua, Goliath and Maharaj | DNB-SEB-CEXIM $227,500 Facility |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Vessels [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount drawn down |  |  |  |  |  |  |  |  | $ 93,000 |  |  |  |  |  |  |  |  |
Deep Blue |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Vessels [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Delivery date |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | May 27, 2015 |  |
Payments to acquire property plant and equipment |  |  |  |  |  |  | $ 34,982 |  |  |  |  |  |  |  |  |  |  |
Star Aquarius |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Vessels [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Delivery date |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | July 22, 2015 |  |
DWT |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 60,916 |  |
Payments to acquire property plant and equipment |  |  |  |  |  |  |  |  |  |  |  | $ 20,359 |  |  |  |  |  |
Star Aquarius | NIBC $32,000 Facility |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Vessels [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount drawn down |  |  |  |  |  |  |  |  |  |  |  | $ 15,237 |  |  |  |  |  |
Star Pisces |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Vessels [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Delivery date |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | August 7, 2015 |  |
DWT |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 60,916 |  |
Payments to acquire property plant and equipment |  |  |  |  |  |  |  |  |  |  | $ 20,351 |  |  |  |  |  |  |
Star Pisces | NIBC $32,000 Facility |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Vessels [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount drawn down |  |  |  |  |  |  |  |  |  |  | $ 15,237 |  |  |  |  |  |  |
Star Antares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Vessels [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Delivery date |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | October 9, 2015 |  |
DWT |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 61,258 |  |
Payments to acquire property plant and equipment |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 19,770 |  |  |
Star Antares | Sinosure Facility |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Vessels [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount drawn down |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 16,738 |  |  |
Vessels sales agreements in 2015 and 2016 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Vessels [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of vessels sold |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 15 |  |
Number of vessels delivered |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 4 | 11 |
Repayments of debt |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 130,062 |  |
Maiden Voyage |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Vessels [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
DWT |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 58,722
Leasing arrangements, Term of time charter contract |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 years |  |
Sale Leaseback Transaction, Date |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Sep. 15, 2015 |  |
Sale Leaseback Transaction, Deferred Gain, Gross |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 148 |  |
Sale Leaseback Transaction, Deferred Gain, Net |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 51 | $ 126 |
Amortization of deferred gain |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 75 | $ 22 |
Star Lutas |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Vessels [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Delivery date |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | January 6, 2016 |  |
DWT |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 61,347 |  |
Payments to acquire property plant and equipment |  | $ 19,770 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Star Lutas | Sinosure Facility |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Vessels [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount drawn down |  | $ 14,813 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Kennadi |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Vessels [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Delivery date |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | January 8, 2016 |  |
DWT |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 63,262 |  |
Payments to acquire property plant and equipment | $ 21,229 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Kennadi | Sinosure Facility |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Vessels [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount drawn down | $ 14,478 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Star Poseidon |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Vessels [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Delivery date |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | February 26, 2016 |  |
DWT |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 209,475 |  |
Payments to acquire property plant and equipment |  |  |  | $ 33,390 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Star Poseidon | DNB-SEB-CEXIM $227,500 Facility |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Vessels [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount drawn down |  |  |  | $ 23,400 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Mackenzie |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Vessels [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Delivery date |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | March 2, 2016 |  |
DWT |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 63,226 |  |
Payments to acquire property plant and equipment |  |  | $ 18,221 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Mackenzie | Sinosure Facility |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Vessels [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount drawn down |  |  | $ 12,720 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Star Marisa |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Vessels [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Delivery date |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | March 11, 2016 |  |
DWT |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 207,709 |  |
Star Libra |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Vessels [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Delivery date |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | June 6, 2016 |  |
DWT |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 207,765 |  |

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Data Type: | na
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