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DEBT - $253M and $100M Term Loans (Details) - Secured Debt $ in Thousands |  |  | 3 Months Ended | 6 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | ---
Mar. 29, 2016 USD ($) | Mar. 11, 2016 USD ($) | Jun. 30, 2016 USD ($) | Jun. 30, 2016 USD ($) | Jun. 30, 2017 USD ($) | Dec. 31, 2016 USD ($) | Aug. 20, 2010 USD ($) item | Aug. 12, 2010 USD ($) item
$253 Million Term Loan Facility |  |  |  |  |  |  |  |
Line of Credit Facility |  |  |  |  |  |  |  |
Maximum borrowing capacity |  |  | $ 253,000 | $ 253,000 |  |  | $ 253,000 |
Number of vessels delivered pursuant to the agreement | item |  |  |  |  |  |  | 13 |
Prepayment of the outstanding indebtedness |  | $ 5,075 |  |  |  |  |  |
Repayments of Secured Debt |  |  | $ 0 | $ 10,150 |  |  |  |
Long-term Debt |  |  |  |  | $ 0 | $ 0 |  |
$253 Million Term Loan Facility | LIBOR |  |  |  |  |  |  |  |
Line of Credit Facility |  |  |  |  |  |  |  |
Reference rate |  |  |  | LIBOR |  |  |  |
Applicable margin over reference rate (as a percent) |  |  | 3.50% | 3.50% |  |  |  |
$100 Million Term Loan Facility |  |  |  |  |  |  |  |
Line of Credit Facility |  |  |  |  |  |  |  |
Maximum borrowing capacity |  |  | $ 100,000 | $ 100,000 |  |  |  | $ 100,000
Number of vessels acquired | item |  |  |  |  |  |  |  | 5
Prepayment of amortization payment before due date | $ 1,923 |  |  |  |  |  |  |
Repayments of Secured Debt |  |  | $ 1,923 | $ 3,846 |  |  |  |
Long-term Debt |  |  |  |  | $ 0 | $ 0 |  |
$100 Million Term Loan Facility | LIBOR |  |  |  |  |  |  |  |
Line of Credit Facility |  |  |  |  |  |  |  |
Reference rate |  |  |  | LIBOR |  |  |  |
Applicable margin over reference rate (as a percent) |  |  | 3.50% | 3.50% |  |  |  |

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