SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Impairment of Long-Lived Assets) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Impaired Long-Lived Assets Held and Used [Line Items]
Impairment of assets	$ 3,202	$ 887	$ 4,988
General and Administrative Expense [Member] | Facility Closing [Member]
Impaired Long-Lived Assets Held and Used [Line Items]
Impairment of assets			$ 5,000