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FINANCIAL INSTRUMENTS AND OTHER FAIR VALUE DISCLOSURES (Details) - USD ($) $ in Thousands | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Financial Instruments, Financial Assets, Balance Sheet Groupings [Abstract] |  |  |
Accordion loan amount |  | $ 30,000 |
Vessels |  | 715,263 | $ 861,342
Vessel Held for Sale |  | 14,960 | 0
Fair Value [Member] | Level 1 [Member] | Recurring [Member] |  |  |
Financial Instruments, Financial Assets, Balance Sheet Groupings [Abstract] |  |  |
Cash and Cash Equivalents |  | 34,739 | 57,847
Restricted Cash |  | 9,909 | 4,223
Fair Value [Member] | Level 2 [Member] | Recurring [Member] |  |  |
Financial Instruments, Financial Assets, Balance Sheet Groupings [Abstract] |  |  |
2019 Senior Secured Credit Facility including $30 million Accordion Loan |  | (223,122) | (253,902)
Financing of 2018-built Vessels |  | (104,277) | (112,238)
Fair Value [Member] | Level 2 [Member] | Non-recurring [Member] |  |  |
Financial Instruments, Financial Assets, Balance Sheet Groupings [Abstract] |  |  |
Vessels | [1] | 93,710 | 0
Carrying Value [Member] | Level 1 [Member] | Recurring [Member] |  |  |
Financial Instruments, Financial Assets, Balance Sheet Groupings [Abstract] |  |  |
Cash and Cash Equivalents |  | 34,739 | 57,847
Restricted Cash |  | 9,909 | 4,223
Carrying Value [Member] | Level 2 [Member] | Recurring [Member] |  |  |
Financial Instruments, Financial Assets, Balance Sheet Groupings [Abstract] |  |  |
2019 Senior Secured Credit Facility including $30 million Accordion Loan |  | (223,122) | (253,902)
Financing of 2018-built Vessels |  | (104,277) | (112,238)
Carrying Value [Member] | Level 2 [Member] | Non-recurring [Member] |  |  |
Financial Instruments, Financial Assets, Balance Sheet Groupings [Abstract] |  |  |
Vessels | [1] | $ 93,710 | $ 0
[1] | Vessels measured at fair value are included as part of the Vessels and Vessel Held for Sale balances of $715.3 million and $15.0 million, respectively, in our consolidated balance sheet as of December 31, 2021.

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