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CASH FLOW INFORMATION - Non-cash (Details) - USD ($) $ in Thousands | 3 Months Ended
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Mar. 31, 2025 | Mar. 31, 2024
Non-cash investing and financing activities |  |
Cash paid for interest | $ 2,072 | $ 4,001
Cash received from settlement of interest cap agreements | 0 | 588
Accounts payable and accrued expenses |  |
Non-cash investing and financing activities |  |
Purchases of vessels and ballast water treatment systems, including deposits | 1,721 | 961
Purchase of other fixed assets | 188 | 678
Net proceeds from sale of vessels |  | 178
Cash dividends payable | $ 1,434 | $ 959

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