LEASES (Schedule of lease cost) (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Operating lease, cost	$ 7,245	$ 11,297	$ 20,841	$ 30,599
Total lease cost	3,837	8,221	11,611	20,790
Vessel/Fleet [Member] \| Charter Hire Expense [Member]
Operating lease, cost	2,393	2,092	7,127	3,837
Short-term lease, cost	1,173	5,881	3,671	15,304
Vessel/Fleet [Member] \| Vessel Expense [Member]
Amortization of right-of-use assets			0	731
Interest on lease liabilities			0	124
Office Space [Member] \| General and Administrative Expense [Member]
Operating lease, cost	226	203	678	659
Office Space [Member] \| Voyage Expense [Member]
Operating lease, cost	45	45	135	135
Lightering Services Component [Member] \| Vessel/Fleet [Member]
Short-term lease, cost	$ 1,800	$ 300	$ 3,900	$ 2,000

Amount of interest expense on finance lease liability.

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 55
-Paragraph 53
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479589/842-20-55-53

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 4
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479041/842-20-45-4

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478964/842-20-50-4

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Amount of amortization expense attributable to right-of-use asset from finance lease.

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Amount of lease cost recognized by lessee for lease contract.

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Amount of short-term lease cost, excluding expense for lease with term of one month or less.

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