Represents the minimum cash required per vessel mortgaged under this facility.

No definition available.

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Represents the aggregate fair value of the mortgaged vessels to be maintained as a percentage of aggregate outstanding principal amount as per the terms of the credit facilities' covenants.

+ References

No definition available.

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Amount of fixed amortization payment for the first two years.

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No definition available.

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- Definition

The maximum percentage of collateral required for prepayment of line of credit using excess cash flows.

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No definition available.

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Represents the number of collateral vessels, in which the loan is to be prepaid from earnings received from operations after deduction of costs, fees, expenses, interest, and fixed principal repayments under the facility; operating expenses relating to the vessels; and the Borrowers’ pro rata share of general and administrative expenses based on the number of vessels they own.

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No definition available.

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- Definition

Represents the line of credit period without amortization, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

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- Definition

The amount of loan repayment requirement to have the ability to pay dividends after December 31, 2018.

+ References

No definition available.

+ Details

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- Definition

Represents the minimum cash requirement through the end of the waiver period.

+ References

No definition available.

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Balance Type:	debit
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- Definition

Number of Entities owned or controlled by the company.

+ References

No definition available.

+ Details

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Data Type:	xbrli:integerItemType
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- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

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Amount of long-term debt before deduction of unamortized discount or premium. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt, with initial maturities beyond one year or the normal operating cycle, if longer.

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The reference rate for the variable rate of the debt instrument, such as LIBOR or the US Treasury rate and the maturity of the reference rate used, such as three months or six months LIBOR.

+ References

No definition available.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

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Balance Type:	credit
Period Type:	instant

- Definition

Amount of the required periodic payments of both interest and principal.

+ References

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- Definition

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

+ References

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- Definition

Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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- References

No definition available.

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Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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- Definition

Amount of cash inflow from contractual arrangement with the lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

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The carrying amounts of cash and cash equivalent items which are restricted as to withdrawal or usage. Restrictions may include legally restricted deposits held as compensating balances against short-term borrowing arrangements, contracts entered into with others, or entity statements of intention with regard to particular deposits; however, time deposits and short-term certificates of deposit are not generally included in legally restricted deposits. Excludes compensating balance arrangements that are not agreements which legally restrict the use of cash amounts shown on the balance sheet. For a classified balance sheet represents the current portion only (the noncurrent portion has a separate concept); there is a separate and distinct element for unclassified presentations.

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Cash and equivalents whose use in whole or in part is restricted for the long-term, generally by contractual agreements or regulatory requirements.

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DEBT - $98M Credit Facility (Details) $ in Thousands			12 Months Ended
DEBT - $98M Credit Facility (Details) $ in Thousands	Nov. 10, 2015 USD ($)	Nov. 04, 2015 USD ($) subsidiary item	Dec. 31, 2015 USD ($)	Dec. 31, 2016 USD ($)	Nov. 15, 2016 USD ($)	Jun. 29, 2016 USD ($)	Jun. 28, 2016
Line of Credit Facility
Restricted cash, current			$ 19,500	$ 8,242
Restricted cash non-current			315	27,426
Repayment of the outstanding debt
Total debt			588,434	524,377
$98 Million Credit Facility Commitment Letter
Line of Credit Facility
Collateral security maintenance test (as a percent)						120.00%	140.00%
$98 Million Credit Facility Commitment Letter \| Minimum
Line of Credit Facility
Minimum cash requirement through the end of the waiver period						$ 25,000
Line of Credit Facility \| $98 Million Credit Facility
Line of Credit Facility
Maximum borrowing capacity		$ 98,000		98,000	$ 98,000
Drawdowns during the period	$ 98,271		98,271
Remaining borrowing capacity				0
Long-term Debt			95,903	93,403
Collateral security maintenance test (as a percent)					140.00%
Minimum cash required to be maintained by each collateralized vessel					$ 750
Fixed amortization payment for the first two years		$ 0
Number of wholly owned subsidiaries \| subsidiary		13
Period without fixed amortization schedule		2 years
Amount of periodic payment		$ 2,500
Maximum collateral required for prepayment of loan (as a percent)		182.00%
Number of collateral vessels \| item		13
Restricted cash, current			9,750	8,242
Restricted cash non-current			0	15,931
Repayment of the outstanding debt
2017				1,413
2018				10,000
2019				10,000
2020				73,858
Total debt			$ 98,271	$ 95,271
Line of Credit Facility \| $98 Million Credit Facility \| LIBOR
Line of Credit Facility
Reference rate for interest payable		three-month LIBOR
Applicable margin over reference rate (as a percent)		6.125%
Line of Credit Facility \| $98 Million Credit Facility \| Minimum
Line of Credit Facility
Loan repayment requirement to have the ability to pay dividends after December 31, 2018					$ 25,000