GAIN/(LOSS) ON SALE OF ASSETS AND TERMINATION OF CHARTERS (Gain on Termination of Charters) (Details) - Apexindo $ in Millions	12 Months Ended
Dec. 31, 2017 USD ($)
Property, Plant and Equipment [Line Items]
Term loan facility, term	6 years
Initial face value of note	$ 6.0
Compensation received on termination of charters, notes receivable	$ 2.8

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.

No definition available.

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