DEBT (750 Million Credit Facility and 500 Million Revolving Credit Facility) (Details) $ in Thousands										1 Months Ended	12 Months Ended
	Mar. 21, 2025 USD ($) property	Apr. 26, 2024 USD ($)	Oct. 30, 2023 USD ($)	Sep. 27, 2023 USD ($)	Mar. 10, 2023 USD ($) item	May 24, 2022 USD ($)	May 20, 2022 USD ($) property	Dec. 23, 2021 USD ($)	Oct. 26, 2021	Nov. 30, 2022 USD ($) item	Dec. 31, 2025 USD ($)	Dec. 31, 2024 USD ($) item property	Dec. 31, 2023 USD ($)	Oct. 07, 2025 USD ($)	Apr. 25, 2024 USD ($)	Feb. 23, 2024 USD ($)	Sep. 29, 2023 USD ($)	Jun. 02, 2022 USD ($)
Debt
Debt instrument, basis spread on variable rate									0.0405%
Proceeds from Long-term Lines of Credit											$ 80,000	$ 120,000	$ 50,000
MR Vessels
Debt
Number of vessels delivered | property												3
$750 Million Credit Facility
Debt
Credit facility, maximum borrowing capacity							$ 750,000
Debt face amount		$ 750,000		$ 750,000	$ 750,000		$ 750,000			$ 750,000	750,000	$ 750,000	750,000		$ 750,000
Line of credit facility, amount outstanding															94,600
Debt instrument, basis spread on variable rate						2.40%
Increase (decrease) on applicable interest rate						(0.05%)
Number of vessels secured by first lien							55			54
Repayment of credit facility					$ 97,000					$ 5,800
Payment of refinancing and other related expenses						$ 10,500
Adjustment on pricing fleet sustainability score target factor						50.00%
Adjustment on pricing Sustainability-Linked investment target factor						$ 3,000
Release of collateral vessel mortgages, number of MR product carriers | item					22
Additional borrowing capacity					$ 40,000
$750 Million Credit Facility | Minimum
Debt
Increase (decrease) on applicable interest rate						0.05%
$750 Million Facility Term Loan
Debt
Credit facility, maximum borrowing capacity							$ 530,000
Debt face amount					750,000		$ 750,000					750,000						$ 750,000
Line of credit facility, amount outstanding					366,300
Repayments of secured debt												$ 181,300
Debt term							5 years
Accordion feature facility increase term							24 months
Proceeds from Long-term Lines of Credit						$ 530,000
$750 Million Facility Term Loan | Suezmaxes
Debt
Number of vessels released from collateralized mortgages | item												5
$750 Million Facility Term Loan | Aframaxes
Debt
Number of vessels released from collateralized mortgages | item												1
$750 Million Facility Term Loan | Minimum
Debt
Accordion feature facility incremental amount							$ 10,000
$750 Million Facility Term Loan | Maximum
Debt
Accordion feature facility incremental amount							250,000
$750 Million Facility Revolving Loan
Debt
Credit facility, maximum borrowing capacity							220,000
Debt face amount							$ 750,000			750,000
Undrawn amount					$ 257,400					$ 217,400
Line of credit facility, amount outstanding															$ 257,400
Debt term							5 years
Repayment of credit facility						574,800
Proceeds from Long-term Lines of Credit						$ 70,000
$390 Million Credit Facility
Debt
Repayments of secured debt								$ 34,100
$500 Million Revolving Credit Facility
Debt
Credit facility, maximum borrowing capacity	$ 500,000	500,000		500,000			$ 500,000				500,000	$ 500,000	$ 500,000	$ 500,000		$ 500,000
Debt face amount											80,000	120,000						$ 500,000
Undrawn amount											423,900
Line of credit facility, amount outstanding		94,600									224,600	144,600
Scheduled future quarterly principal amortization		$ 12,800
Debt instrument adjusted profile term		20 years
Increase (decrease) on applicable interest rate		1.85%
Number of vessels secured by first lien | property	2
Number of vessels acquired | property	3
Repayment of credit facility											70,000
Number of vessels released from collateralized mortgages | property	1
Number of vessels delivered | property	2
$160 Million Revolving Credit Facility
Debt
Credit facility, maximum borrowing capacity				$ 160,000							132,800	$ 160,000		$ 160,000			$ 160,000
Debt face amount											$ 160,000
Line of credit facility, amount outstanding																	$ 50,000
Debt instrument adjusted profile term				20 years
Debt instrument, basis spread on variable rate				1.90%
Increase (decrease) on applicable interest rate				0.075%
Debt term				5 years 6 months
Repayment of credit facility			$ 50,000
$160 Million Revolving Credit Facility | Minimum
Debt
Increase (decrease) on applicable interest rate				0.075%