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DEBT - $100M and $253M Term Loans (Details) $ in Thousands |  |  |  |  | 1 Months Ended | 12 Months Ended |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Mar. 29, 2016 USD ($) | Mar. 11, 2016 USD ($) | Apr. 30, 2015 USD ($) | Jul. 09, 2014 USD ($) | Jul. 31, 2015 USD ($) item | Dec. 31, 2015 USD ($) item | Sep. 30, 2016 USD ($) | Sep. 30, 2015 USD ($) | Sep. 30, 2010 item | Aug. 20, 2010 USD ($) | Aug. 12, 2010 USD ($) item
Line of Credit Facility |  |  |  |  |  |  |  |  |  |  |
Debt classified as current liability |  |  |  |  |  | $ 579,023 | $ 540,455 |  |  |  |
Secured Debt | $100 Million Term Loan Facility |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility |  |  |  |  |  |  |  |  |  |  |
Maximum borrowing capacity |  |  |  |  |  |  | 100,000 | $ 100,000 |  |  | $ 100,000
Prepayment of amortization payment before due date | $ 1,923 |  |  |  |  |  |  |  |  |  |
Remaining borrowing capacity |  |  |  |  |  |  | 0 |  |  |  |
Long-term Debt |  |  |  |  |  | $ 58,899 | 53,375 |  |  |  |
Debt classified as current liability |  |  |  |  |  |  | 53,375 |  |  |  |
Number of vessels acquired | item |  |  |  |  |  |  |  |  |  |  | 5
Paydown of debt |  |  |  | $ 1,923 |  |  |  |  |  |  |
Payment of upfront fees |  |  | $ 165 |  |  |  |  |  |  |  |
Number of unencumbered vessels adding as additional collateral to cover the shortfall of fair value | item |  |  |  |  |  | 2 |  |  |  |  |
Secured Debt | $253 Million Term Loan Facility |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility |  |  |  |  |  |  |  |  |  |  |
Maximum borrowing capacity |  |  |  |  |  | $ 253,000 | 253,000 | $ 253,000 |  | $ 253,000 |
Remaining borrowing capacity |  |  |  |  |  |  | 0 |  |  |  |
Long-term Debt |  |  |  |  |  | 142,740 | 128,033 |  |  |  |
Debt classified as current liability |  |  |  |  |  |  | 128,033 |  |  |  |
Paydown of debt |  |  |  | 5,075 | $ 5,075 |  |  |  |  |  |
Payment of upfront fees |  |  | $ 350 |  |  |  |  |  |  |  |
Number of unencumbered vessels adding as additional collateral to cover the shortfall of fair value | item |  |  |  |  | 5 |  |  |  |  |  |
Number of vessels delivered pursuant to the agreement | item |  |  |  |  |  |  |  |  | 13 |  |
Restricted cash |  |  |  |  |  | $ 9,750 | $ 9,750 |  |  |  |
Prepayment of the outstanding indebtedness |  | $ 5,075 |  |  | $ 1,650 |  |  |  |  |  |
Secured Debt | $100 Million and $253 Million Term Loan Facilities |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility |  |  |  |  |  |  |  |  |  |  |
Minimum cash balance required per vessel owned |  |  |  | $ 750 |  |  |  |  |  |  |
Maximum total debt outstanding to value adjusted total assets ratio |  |  | 70.00% |  |  |  |  |  |  |  |
Maximum percentage of liquidity covenant amended |  |  | 50.00% |  |  |  |  |  |  |  |
Minimum cash required to be maintained by each collateralized vessel |  |  | $ 750 |  |  |  |  |  |  |  |
Minimum period of available working capital lines |  |  | 6 months |  |  |  |  |  |  |  |
Secured Debt | $100 Million and $253 Million Term Loan Facilities | LIBOR |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility |  |  |  |  |  |  |  |  |  |  |
Applicable margin over reference rate for interest payable, before increase (as a percent) |  |  |  | 3.00% |  |  |  |  |  |  |
Applicable margin over reference rate (as a percent) |  |  |  | 3.50% |  |  |  |  |  |  |

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- Definition Represents the minimum period of working capital lines with remaining availability, in which the covenant of 50% of the required covenant of cash per vessel is satisfied. + References No definition available. + Details
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