REVENUE (Schedule of Disaggregated Revenue) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Disaggregation of Revenue [Line Items]
Revenue, non lease	$ 843,302	$ 951,613	$ 1,071,775
Shipping revenues	843,302	951,613	1,071,775
International Crude Tankers Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue, non lease	439,611	451,351	524,006
International Crude Tankers Segment [Member] | Operating Segments [Member]
Disaggregation of Revenue [Line Items]
Shipping revenues	439,611	451,351	524,006
International Product Carriers Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue, non lease	403,691	500,262	547,769
International Product Carriers Segment [Member] | Operating Segments [Member]
Disaggregation of Revenue [Line Items]
Shipping revenues	403,691	500,262	547,769
Pool Revenue Leases [Member]
Disaggregation of Revenue [Line Items]
Shipping revenues	641,785	749,164	905,808
Pool Revenue Leases [Member] | Fixed-Price Contract [Member]
Disaggregation of Revenue [Line Items]
Revenue, operating leases	641,785	749,164	905,808
Pool Revenue Leases [Member] | International Crude Tankers Segment [Member] | Fixed-Price Contract [Member] | Operating Segments [Member]
Disaggregation of Revenue [Line Items]
Revenue, operating leases	321,595	314,018	399,904
Pool Revenue Leases [Member] | International Product Carriers Segment [Member] | Fixed-Price Contract [Member] | Operating Segments [Member]
Disaggregation of Revenue [Line Items]
Revenue, operating leases	320,190	435,146	505,904
Voyage Charter Leases Non Variable Payments [Member] | Fixed-Price Contract [Member]
Disaggregation of Revenue [Line Items]
Revenue, lease non-variable	7,461	10,400	20,548
Voyage Charter Leases Non Variable Payments [Member] | International Crude Tankers Segment [Member] | Fixed-Price Contract [Member] | Operating Segments [Member]
Disaggregation of Revenue [Line Items]
Revenue, lease non-variable	337	4,983	7,860
Voyage Charter Leases Non Variable Payments [Member] | International Product Carriers Segment [Member] | Fixed-Price Contract [Member] | Operating Segments [Member]
Disaggregation of Revenue [Line Items]
Revenue, lease non-variable	7,124	5,417	12,688
Voyage Charter Leases Variable Payments [Member] | Fixed-Price Contract [Member]
Disaggregation of Revenue [Line Items]
Revenue (expense), operating leases			582
Voyage Charter Leases Variable Payments [Member] | International Crude Tankers Segment [Member] | Fixed-Price Contract [Member] | Operating Segments [Member]
Disaggregation of Revenue [Line Items]
Revenue (expense), operating leases			66
Voyage Charter Leases Variable Payments [Member] | International Product Carriers Segment [Member] | Fixed-Price Contract [Member] | Operating Segments [Member]
Disaggregation of Revenue [Line Items]
Revenue (expense), operating leases			516
Time and Bareboat Charter Leases [Member]
Disaggregation of Revenue [Line Items]
Shipping revenues	157,580	137,119	96,544
Time and Bareboat Charter Leases [Member] | Fixed-Price Contract [Member]
Disaggregation of Revenue [Line Items]
Revenue, operating leases	157,580	137,119	96,544
Time and Bareboat Charter Leases [Member] | International Crude Tankers Segment [Member] | Fixed-Price Contract [Member] | Operating Segments [Member]
Disaggregation of Revenue [Line Items]
Revenue, operating leases	81,203	77,420	67,883
Time and Bareboat Charter Leases [Member] | International Product Carriers Segment [Member] | Fixed-Price Contract [Member] | Operating Segments [Member]
Disaggregation of Revenue [Line Items]
Revenue, operating leases	76,377	59,699	28,661
Voyage Charter Leases [Member]
Disaggregation of Revenue [Line Items]
Shipping revenues	43,937	65,330	69,423
Voyage Charter Leases [Member] | Time-and-materials Contract [Member]
Disaggregation of Revenue [Line Items]
Revenue, non lease			48,293
Voyage Charter Leases [Member] | Lightering Services Component [Member]
Disaggregation of Revenue [Line Items]
Revenue, non lease	36,476	54,930
Voyage Charter Leases [Member] | International Crude Tankers Segment [Member] | Time-and-materials Contract [Member] | Operating Segments [Member]
Disaggregation of Revenue [Line Items]
Revenue, non lease			48,293
Voyage Charter Leases [Member] | International Crude Tankers Segment [Member] | Lightering Services Component [Member] | Operating Segments [Member]
Disaggregation of Revenue [Line Items]
Revenue, non lease	36,476	54,930
Voyage Charter Leases [Member] | International Product Carriers Segment [Member] | Time-and-materials Contract [Member] | Operating Segments [Member]
Disaggregation of Revenue [Line Items]
Revenue, non lease			$ 0
Voyage Charter Leases [Member] | International Product Carriers Segment [Member] | Lightering Services Component [Member] | Operating Segments [Member]
Disaggregation of Revenue [Line Items]
Revenue, non lease	$ 0	$ 0