SUPPLEMENTAL CASH FLOW DISCLOSURES ON NON-CASH INVESTING AND FINANCING ACTIVITIES (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
Cash Flow Noncash [Line Items]
Noncash or Part Noncash Divestiture, Amount of Consideration Received	$ 7,345	$ 5,092
Issuance [Member]
Cash Flow Noncash [Line Items]
Noncash or Part Noncash Divestiture, Amount of Consideration Received	8,003	5,649
Forfeited [Member]
Cash Flow Noncash [Line Items]
Noncash or Part Noncash Divestiture, Amount of Consideration Received	$ 658	$ 557