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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Concentration Risk (Details) $ in Thousands | 6 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2014 USD ($) customer | Jul. 09, 2014 USD ($) customer | Dec. 31, 2016 USD ($) customer item | Dec. 31, 2015 USD ($) customer item
Concentration Risk |  |  |  |
Total revenue earned | $ | $ 1,584 |  | $ 2,340 | $ 3,175
Number of financial institutions with which the entity maintains its cash and cash equivalents | item |  |  | 4 | 3
Voyage Revenues | Customer Concentration Risk |  |  |  |
Concentration Risk |  |  |  |
Percentage of revenue earned (as a percent) |  |  | 100.00% |
Number of customers | 44 |  | 52 | 52
Major Customers | 2 |  | 3 | 3
Concentration risk percentage (as a percent) | 10.00% |  | 10.00% | 10.00%
Voyage Revenues | Customer Concentration Risk | Cargill International S.A. |  |  |  |
Concentration Risk |  |  |  |
Concentration risk percentage (as a percent) | 17.06% |  |  |
Voyage Revenues | Customer Concentration Risk | Swissmarine Services S.A. |  |  |  |
Concentration Risk |  |  |  |
Concentration risk percentage (as a percent) | 22.52% |  | 25.31% | 24.37%
Voyage Revenues | Customer Concentration Risk | Clipper Group |  |  |  |
Concentration Risk |  |  |  |
Concentration risk percentage (as a percent) |  |  | 22.96% | 19.09%
Voyage Revenues | Customer Concentration Risk | Pioneer Navigation Ltd |  |  |  |
Concentration Risk |  |  |  |
Concentration risk percentage (as a percent) |  |  | 11.11% | 13.03%
Predecessor |  |  |  |
Concentration Risk |  |  |  |
Total revenue earned | $ |  | $ 1,701 |  |
Predecessor | Voyage Revenues | Customer Concentration Risk |  |  |  |
Concentration Risk |  |  |  |
Percentage of revenue earned (as a percent) |  | 100.00% |  |
Number of customers |  | 33 |  |
Major Customers |  | 2 |  |
Concentration risk percentage (as a percent) |  | 10.00% |  |
Predecessor | Voyage Revenues | Customer Concentration Risk | Cargill International S.A. |  |  |  |
Concentration Risk |  |  |  |
Concentration risk percentage (as a percent) |  | 19.37% |  |
Predecessor | Voyage Revenues | Customer Concentration Risk | Swissmarine Services S.A. |  |  |  |
Concentration Risk |  |  |  |
Concentration risk percentage (as a percent) |  | 20.67% |  |

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- Definition For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 18 -URI http://asc.fasb.org/extlink&oid=51801978&loc=d3e6351-108592 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=49121117&loc=d3e13531-108611 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=51801978&loc=d3e6404-108592 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 21 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=49121117&loc=d3e13537-108611 + Details
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