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CASH FLOW INFORMATION - Non-cash (Details) - USD ($) $ in Thousands | 9 Months Ended
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Sep. 30, 2023 | Sep. 30, 2022
Non-cash investing and financing activities |  |
Reclassification from deposits on vessels to vessels, net of accumulated depreciation |  | $ 18,543
Cash paid for interest | $ 9,835 | 6,264
Cash received from settlement of interest cap agreements | 5,192 | 621
Accounts payable and accrued expenses |  |
Non-cash investing and financing activities |  |
Purchases of vessels and ballast water treatment systems | 1,233 | 2,989
Purchase of other fixed assets | 365 | 740
Non-cash financing activities cash dividends payable | $ 959 | 777
Prepaid expenses and other current assets |  |
Non-cash investing and financing activities |  |
Purchases of vessels and ballast water treatment systems |  | $ 463

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