RELATED PARTY TRANSACTIONS - Narrative (Details) - SFL Leases - vessel	6 Months Ended	12 Months Ended
Jun. 30, 2022	Dec. 31, 2015
Related Party Transaction [Line Items]
Number of vessels sold and leased back	1
KSL China, Battersea, Belgravia, Golden Future, Golden Zhejiang, Golden Zhoushan, Golden Beijing and Golden Magnum
Related Party Transaction [Line Items]
Number of vessels sold and leased back	8	8

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.

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