COMMITMENTS AND CONTINGENT LIABILITIES (Book Value of Assets with Finance Lease Liabilities) (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Other Commitments [Line Items]
Total book value	$ 656,000	$ 697,000
Vessels under finance lease, net
Other Commitments [Line Items]
Total book value	$ 656,000	$ 697,000

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

Name:	us-gaap_OtherCommitmentsLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration