REVENUE (Schedule of Disaggregated Revenue) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023	Dec. 31, 2023
Revenue, non lease	$ 225,190	$ 241,708	$ 757,000	$ 821,041
Shipping revenues	225,190	241,708	757,000	821,041
International Crude Tankers Segment [Member]
Revenue, non lease	103,212	114,250	355,458	398,829
Shipping revenues	103,212	114,250	355,458	398,829
International Product Carriers Segment [Member]
Revenue, non lease	121,978	127,458	401,542	422,212
Shipping revenues	121,978	127,458	401,542	422,212
Other Segments [Member]
Revenue, non lease	0	0
Pool Revenue Leases [Member]
Revenue, operating leases			603,970	$ 701,634
Operating Lease, Lease Income, Statement of Income or Comprehensive Income [Extensible Enumeration]				Shipping revenues
Shipping revenues	170,007	194,465	603,970	$ 701,634
Pool Revenue Leases [Member] | Fixed-Price Contract [Member]
Revenue, operating leases	$ 170,007	$ 194,465
Operating Lease, Lease Income, Statement of Income or Comprehensive Income [Extensible Enumeration]	Shipping revenues	Shipping revenues
Pool Revenue Leases [Member] | International Crude Tankers Segment [Member]
Revenue, operating leases			246,979	309,000
Pool Revenue Leases [Member] | International Crude Tankers Segment [Member] | Fixed-Price Contract [Member]
Revenue, operating leases	$ 67,674	$ 80,562
Pool Revenue Leases [Member] | International Product Carriers Segment [Member]
Revenue, operating leases			356,991	392,634
Pool Revenue Leases [Member] | International Product Carriers Segment [Member] | Fixed-Price Contract [Member]
Revenue, operating leases	102,333	113,903
Voyage Charter Leases Non Variable Payments [Member]
Revenue, operating leases			9,362	15,149
Voyage Charter Leases Non Variable Payments [Member] | Fixed-Price Contract [Member]
Revenue, lease non-variable	3,923	6,627
Voyage Charter Leases Non Variable Payments [Member] | International Crude Tankers Segment [Member]
Revenue, operating leases			4,550	5,324
Voyage Charter Leases Non Variable Payments [Member] | International Crude Tankers Segment [Member] | Fixed-Price Contract [Member]
Revenue, lease non-variable	2,525	1,669
Voyage Charter Leases Non Variable Payments [Member] | International Product Carriers Segment [Member]
Revenue, operating leases			4,812	9,825
Voyage Charter Leases Non Variable Payments [Member] | International Product Carriers Segment [Member] | Fixed-Price Contract [Member]
Revenue, lease non-variable	1,398	4,958
Voyage Charter Leases Variable Payments [Member]
Revenue, operating leases				545
Revenue, non lease			44,638
Voyage Charter Leases Variable Payments [Member] | Fixed-Price Contract [Member]
Revenue (expense), operating leases		329
Voyage Charter Leases Variable Payments [Member] | International Crude Tankers Segment [Member]
Revenue, operating leases				66
Revenue, non lease			44,638
Voyage Charter Leases Variable Payments [Member] | International Product Carriers Segment [Member]
Revenue, operating leases				479
Voyage Charter Leases Variable Payments [Member] | International Product Carriers Segment [Member] | Fixed-Price Contract [Member]
Revenue (expense), operating leases		329
Time and Bareboat Charter Leases [Member]
Revenue, operating leases			$ 99,030	$ 66,849
Operating Lease, Lease Income, Statement of Income or Comprehensive Income [Extensible Enumeration]			Shipping revenues	Shipping revenues
Shipping revenues	36,842	$ 27,587	$ 99,030	$ 66,849
Time and Bareboat Charter Leases [Member] | Fixed-Price Contract [Member]
Revenue, operating leases	$ 36,842				$ 27,587
Operating Lease, Lease Income, Statement of Income or Comprehensive Income [Extensible Enumeration]	Shipping revenues	Shipping revenues	Shipping revenues
Time and Bareboat Charter Leases [Member] | International Crude Tankers Segment [Member]
Revenue, operating leases			$ 59,291	47,575
Time and Bareboat Charter Leases [Member] | International Crude Tankers Segment [Member] | Fixed-Price Contract [Member]
Revenue, operating leases	$ 18,595				19,319
Time and Bareboat Charter Leases [Member] | International Product Carriers Segment [Member]
Revenue, operating leases			39,739	19,274
Time and Bareboat Charter Leases [Member] | International Product Carriers Segment [Member] | Fixed-Price Contract [Member]
Revenue, operating leases	18,247				$ 8,268
Voyage Charter Leases [Member]
Revenue, non lease				36,864
Shipping revenues	18,341	$ 19,656	$ 54,000	52,558
Voyage Charter Leases [Member] | Lightering Services Component [Member]
Revenue, non lease	14,418	12,700
Voyage Charter Leases [Member] | International Crude Tankers Segment [Member]
Revenue, non lease				$ 36,864
Voyage Charter Leases [Member] | International Crude Tankers Segment [Member] | Lightering Services Component [Member]
Revenue, non lease	$ 14,418	$ 12,700