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CASH FLOW INFORMATION - Non-cash (Details) - USD ($) $ in Thousands | 6 Months Ended
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Jun. 30, 2025 | Jun. 30, 2024
CASH FLOW INFORMATION |  |
Cash paid for interest | $ 4,130 | $ 7,071
Cash received from settlement of interest cap agreements | 0 | 588
Accounts payable and accrued expenses |  |
CASH FLOW INFORMATION |  |
Purchases of vessels and ballast water treatment systems, including deposits | 1,631 | 702
Purchase of other fixed assets | 119 | 373
Cash dividends payable | 1,571 | 1,230
Vessels held for sale |  | 39
Net proceeds from sale of vessels |  | $ 75
Non-cash financing activities for financing costs | $ 182 |

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- Definition Amount of cash paid for interest, excluding capitalized interest, classified as operating activity. Includes, but is not limited to, payment to settle zero-coupon bond for accreted interest of debt discount and debt instrument with insignificant coupon interest rate in relation to effective interest rate of borrowing attributable to accreted interest of debt discount. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 230 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 17 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-17 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 230 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 25 -Subparagraph (e) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-25 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 230 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482913/230-10-50-2 + Details
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