VESSELS (Narrative) (Details) $ in Thousands		1 Months Ended	3 Months Ended	9 Months Ended		12 Months Ended
	Mar. 11, 2021 USD ($) property	Jan. 31, 2022 USD ($)	Mar. 31, 2022 USD ($)	Sep. 30, 2022 USD ($) property	Sep. 30, 2021 USD ($)	Dec. 31, 2021 USD ($)	Jun. 02, 2022 USD ($)	May 24, 2022 USD ($)
Impairment of long-lived assets held-for-use				$ 1,697	$ 3,497
Proceeds from disposal of vessels and other property, net				79,476	$ 113,510
Payments to acquire equipment			$ 3,000
Loss on contract termination			700
Debt instrument, face amount							$ 750,000
Vessels construction in progress				$ 101,701		$ 49,291
$390 million Credit Facility
Debt instrument, face amount						390,000
$525 Million Credit Agreement
Debt instrument, face amount						525,000		$ 525,000
Vessel/Fleet [Member]
Number of vessels in fleet | property				78
Dual Fuel LNG VLCC Under Construction [Member]
Expected construction costs	$ 290,000
Remaining cost of construction of vessels				$ 192,200
Number of vessels in construction | property	3
Interest costs capitalized				2,700		600
Leasing term of property	7 years
Vessels construction in progress				101,700		$ 49,300
Panamax 2004 And Handysize 2006 Vessel [Member]
Impairment of long-lived assets to be disposed of			1,700
Medium Range Vessel 2010 [Member]
Proceeds from disposal of vessels and other property, net		$ 16,500
Net gain (loss) on disposal of vessel			$ 4,500
1 2008 Medium Range, 1 2002 Panamax, 1 2004 Panamax and Remaining 4 2006 Handysize Product Carriers [Member]
Net gain (loss) on disposal of vessel				$ 7,600
Long Range One Vessel 2011 [Member]
Payments to acquire equipment		$ 19,500