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DEBT (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2015 USD ($) item	Nov. 04, 2015 USD ($)	Jul. 14, 2015 USD ($)	Apr. 07, 2015 USD ($)	Dec. 31, 2014 USD ($)
Line of Credit Facility
Current portion	$ (588,434)				$ (34,324)
Long-term debt					395,811
Number of credit facilities | item	8
Secured Debt | $100 Million Term Loan Facility
Line of Credit Facility
Long-term debt	$ 60,100				67,792
Current portion	(60,100)
Maximum borrowing capacity	100,000				100,000
Secured Debt | $253 Million Term Loan Facility
Line of Credit Facility
Long-term debt	145,268				165,568
Current portion	(145,268)
Maximum borrowing capacity	253,000				253,000
Secured Debt | $44 Million Term Loan Facility
Line of Credit Facility
Long-term debt	38,500				41,250
Current portion	(38,500)
Maximum borrowing capacity	44,000				44,000
Secured Debt | $22 Million Term Loan Facility
Line of Credit Facility
Long-term debt	18,625				20,125
Current portion	(18,625)
Maximum borrowing capacity	22,000		$ 22,000		22,000
Secured Debt | 2014 Term Loan Facilities
Line of Credit Facility
Long-term debt	31,069				33,150
Revolving credit facility | 2015 Revolving Credit Facility
Line of Credit Facility
Long-term debt	56,218				0
Current portion	(56,218)
Maximum borrowing capacity				$ 59,500
Line of Credit facility | $98 Million Credit Facility
Line of Credit Facility
Long-term debt	98,271				0
Current portion	(98,271)
Maximum borrowing capacity	98,000	$ 98,000
Line of Credit facility | 2010 Credit Facility
Line of Credit Facility
Long-term debt					102,250
Line of Credit facility | $148 Million Credit Facility
Line of Credit Facility
Long-term debt	140,383
Current portion	(140,383)
Maximum borrowing capacity	$ 148,000		$ 148,000		$ 148,000

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.19(b),22(b))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-SubTopic 210
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