OPERATING LEASES (Cost and Accumulated Depreciation of Vessels Leased to Third Parties on Non-cancelable Operating Leases) (Details) - Vessels leased to others - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Lessee, Lease, Description [Line Items]
Cost	$ 3,393,588	$ 2,245,889
Accumulated depreciation	(610,622)	(465,033)
Total	$ 2,782,966	$ 1,780,856

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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