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OTHER LONG TERM ASSETS (Schedule of Long-Term Assets) (Details) - USD ($) $ in Thousands | Jun. 30, 2021 | Dec. 31, 2020
--- | --- | ---
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract] |  |
Capital improvements in progress | $ 1,595 | $ 10,099
Collateral deposits on swap agreements | 9,697 | 398
Value of acquired charter-out contracts, net | 9,067 | 10,503
Long term receivables | 0 | 0
Other | 960 | 961
Other long-term assets | $ 21,319 | $ 21,961

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- Definition Acquired Charter-Out Contracts + References No definition available. + Details
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- Definition Capitalized Installation Costs On Vessels + References No definition available. + Details
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- Definition Amount of accounts receivable, classified as noncurrent, on nonaccrual status. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 16 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=121599337&loc=SL82919258-210447 + Details
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