FAIR VALUE OF FINANCIAL INSTRUMENTS (Interest Rate Swap) (Details) (USD $)	3 Months Ended
Mar. 31, 2015	Mar. 31, 2014
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Impairment of assets held for sale	$ 40,813,000	$ 0
Interest Rate Swap [Member]
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Notional amount	$ 400,000,000

The aggregate amount of write-downs for impairments recognized during the period for long-lived assets held for abandonment, exchange or sale.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3602-108585

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 360

-SubTopic 10

-Section 45

-Paragraph 15

-URI http://asc.fasb.org/extlink&oid=51824106&loc=d3e2611-110228

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