ACQUISITIONS (Summary of Intangible Assets Acquired) (Details) (Omega Refining, USD $) In Thousands, unless otherwise specified	0 Months Ended
	May 02, 2014
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets acquired	$ 2,353
Non-Competes
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets acquired	66
Finite-lived intangible assets, useful life	1 year
Technology
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets acquired	$ 2,287
Finite-lived intangible assets, useful life	15 years