NEWBUILDINGS (Details) $ in Millions	6 Months Ended
Jun. 30, 2016 USD ($) containership
Property, Plant and Equipment [Line Items]
Construction in Progress, Gross	$ 176.7
Interest Costs Capitalized	$ 0.7
9,300 - 9,500 TEU Container vessel [Member]
Property, Plant and Equipment [Line Items]
Number of newbuilding container vessels delivered \| containership	2

Amount of interest capitalized during the period.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Allowance for Funds Used during Construction
-URI http://asc.fasb.org/extlink&oid=6504829

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=6450988&loc=d3e26243-108391

Name:	us-gaap_InterestCostsCapitalized
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration