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DEBT - $98M Credit Facility (Details) - Line of Credit Facility - $98 Million Credit Facility |  |  | 12 Months Ended |
--- | --- | --- | --- | ---
Nov. 10, 2015 USD ($) | Nov. 04, 2015 USD ($) item | Dec. 31, 2019 USD ($) | Dec. 31, 2018 USD ($) | Dec. 31, 2017 USD ($) | Nov. 15, 2016 USD ($)
Line of Credit Facility |  |  |  |  |  |
Number of wholly owned subsidiaries |  | 13 |  |  |  |
Maximum borrowing capacity |  | $ 98,000,000 |  | $ 98,000,000 | $ 98,000,000 | $ 98,000,000
Drawdowns during the period | $ 98,271,000 |  |  |  |  |
Repayment of line of credit facility |  |  | $ 0 | 93,939,000 | $ 1,332,000 |
Fixed amortization payment for the first two years |  | $ 0 |  |  |  |
Period without fixed amortization schedule |  | 2 years |  |  |  |
Amount of periodic payment |  | $ 2,500,000 |  |  |  |
Maximum collateral required for prepayment of loan (as a percent) |  | 182.00% |  |  |  |
Number of collateral vessels | item |  | 13 |  |  |  |
Long-term debt |  |  | $ 0 | $ 0 |  |
Minimum cash required to be maintained by each collateralized vessel |  |  |  |  |  | $ 750,000
Collateral security maintenance test (as a percent) |  |  |  |  |  | 140.00%
LIBOR |  |  |  |  |  |
Line of Credit Facility |  |  |  |  |  |
Reference rate |  | three-month LIBOR |  |  |  |
Applicable margin over reference rate for interest payable |  | 6.125% |  |  |  |
Minimum |  |  |  |  |  |
Line of Credit Facility |  |  |  |  |  |
Loan repayment requirement to have the ability to pay dividends after December 31, 2018 |  | $ 25,000,000 |  |  |  |

X
- Definition Represents the minimum cash required per vessel mortgaged under this facility. + References No definition available. + Details
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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. + References No definition available. + Details
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- Definition Amount of fixed amortization payment for the first two years. + References No definition available. + Details
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- Definition The maximum percentage of the value of the collateral as compared to the loan amount outstanding which requires prepayment of the line of credit using excess cash flows. + References No definition available. + Details
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- Definition 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. + References No definition available. + Details
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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. + Details
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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 Number of Entities owned or controlled by the company. + References No definition available. + Details
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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. + Details
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- Definition 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. + Details
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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. + Details
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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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Amount of the required periodic payments of both interest and principal. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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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. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (b)(3) -URI http://asc.fasb.org/extlink&oid=109500613&loc=SL6031897-161870 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(16)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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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. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3255-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(f)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
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- Definition Amount of cash outflow for payment of an obligation from a lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3291-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(f)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
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