DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES - Derivative Financial Instruments on Statements of Operations (Details) (Cash Flow Hedging [Member], USD $) In Thousands, unless otherwise specified	3 Months Ended
Mar. 31, 2015	Mar. 31, 2014
Interest Expense [Member]
Effect of the Company's derivative financial instruments on the income statement
Amount of Loss Reclassified from AOCI into Earnings	$ (380)	$ (541)
Interest Rate Swap [Member]
Effect of the Company's derivative financial instruments on the income statement
Amount of Loss Recognized in OCI	$ (761)	$ (342)

The effective portion of net gain (loss) reclassified from accumulated other comprehensive income into income on derivative instruments designated and qualifying as hedging instruments.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 50

-Paragraph 4C

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624171-113959

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 50

-Paragraph 4D

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624177-113959

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