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CASH FLOW INFORMATION - Non-cash (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Non-cash investing and financing activities
Reclassification from deposits on vessels to vessels, net of accumulated depreciation	$ 18,543
Reclassification from vessels to vessels held for sale		$ 15,630
Cash dividends paid	28,289	888
Cash paid for interest	1,793	3,583
Cash paid for estimated income taxes	0	0
Accounts payable and accrued expenses
Non-cash investing and financing activities
Purchases of vessels and ballast water treatment systems	615	975
Purchase of scrubbers		17
Purchase of other fixed assets	716	154
Net proceeds from sale of vessels		61
Non-cash financing activities cash dividends payable	$ 322	$ 71

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