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DEBT - $22M Term Loan (Details) $ in Thousands			12 Months Ended
	Sep. 04, 2013 USD ($)	Aug. 30, 2013 USD ($) installment	Dec. 31, 2016 USD ($)	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)	Jul. 01, 2016	Jun. 30, 2016	Jul. 14, 2015	Apr. 30, 2015 USD ($)	Dec. 03, 2013 USD ($)
Line of Credit Facility
Minimum cash balance per vessel in the fleet		$ 750							$ 750	$ 750
Secured Debt | $22 Million Term Loan Facility
Line of Credit Facility
Maximum borrowing capacity		$ 22,000	$ 22,000
Commitment fee on unused daily average unutilized commitment (as a percent)		1.00%
Number of quarterly installments | installment		23
Amount of periodic payment		$ 375
Period after latest vessel delivery date for first periodic repayment		3 months
Final payment amount		$ 13,375
Maximum ratio of financial indebtedness to total assets (as a percent)		70.00%
Consolidated net worth threshold, base amount		$ 786,360
Consolidated net worth threshold, percentage of the value of any subsequent primary equity offerings (as a percent)		50.00%
Collateral security maintenance test (as a percent)						125.00%	110.00%
Drawdowns during the period	$ 22,000
Repayment of secured debt			$ 18,625
Long-term debt				$ 0	$ 0
Secured Debt | $22 Million Term Loan Facility | LIBOR
Line of Credit Facility
Reference rate		Three-month LIBOR
Applicable margin over reference rate (as a percent)		3.35%
Secured Debt | $22 Million Term Loan Facility | Baltic Fox and Baltic Hare
Line of Credit Facility
Minimum cash required to be maintained by each collateralized vessel		$ 500
Up To August 30, 2016 | Secured Debt | $22 Million Term Loan Facility
Line of Credit Facility
Aggregate fair market value of the mortgaged vessels as a percentage of amount outstanding (as a percent)		130.00%
Period After August 30, 2016 | Secured Debt | $22 Million Term Loan Facility
Line of Credit Facility
Aggregate fair market value of the mortgaged vessels as a percentage of amount outstanding after August 30, 2016 (as a percent)		135.00%
Up to June 30, 2016 | Secured Debt | $22 Million Term Loan Facility
Line of Credit Facility
Collateral security maintenance test (as a percent)								110.00%

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- Definition

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

+ References

No definition available.

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- Definition

Represents the consolidated net worth threshold amount calculated as per the terms of the credit facilities' covenants.

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- Definition

Represents the percentage of the value of any subsequent primary equity offerings that is used in the calculation of consolidated net worth threshold amount as per the terms of the credit facilities' covenants.

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- Definition

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.

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- Definition

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.

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- Definition

Represents the aggregate fair value of the mortgaged vessels to be maintained as a percentage of aggregate outstanding principal amount after August 30, 2016 as per the terms of the credit facilities' covenants.

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- Definition

Represents maximum ratio of financial indebtedness to total assets under the terms of the credit facility leverage covenant.

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No definition available.

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- Definition

Represents the minimum cash balance per vessel in its fleet required to be maintained by the entity.

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- Definition

Represents the number of quarterly installments in which the line of credit facility shall be repaid.

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- Definition

Represents the required payment amount under the line of credit facility due on final maturity date.

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No definition available.

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- Definition

Represents the period after latest vessel delivery date for first periodic repayment of the line of credit facility.

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No definition available.

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- Definition

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

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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.

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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.

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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

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
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- Definition

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

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- Definition

The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility.

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No definition available.

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- Definition

Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition

The cash inflow from amounts received from issuance of long-term debt that is wholly or partially secured by collateral. Excludes proceeds from tax exempt secured debt.

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The cash outflow to repay long-term debt that is wholly or partially secured by collateral. Excludes repayments of tax exempt secured debt.

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