COMMITMENTS - SCHEDULE OF COMMERCIAL COMMITMENTS OUTSTANDING (Details) $ in Thousands	Dec. 31, 2015 USD ($)
Commercial Commitments
Less Than 1 Year	$ 1,838
1-3 Years	145
3-5 Years	67
More Than 5 Years	1,437
Total Amounts Committed	3,487
Purchase obligations
Commercial Commitments
Less Than 1 Year	784
1-3 Years	145
3-5 Years	0
More Than 5 Years	0
Total Amounts Committed	929
Letters of credit and surety bonds
Commercial Commitments
Less Than 1 Year	1,054
1-3 Years	0
3-5 Years	67
More Than 5 Years	1,437
Total Amounts Committed	$ 2,558