Annual report pursuant to Section 13 and 15(d)

6. PROPERTY AND EQUIPMENT (Details)

v3.3.1.900
6. PROPERTY AND EQUIPMENT (Details) - USD ($)
$ in Thousands
Dec. 31, 2015
Dec. 31, 2014
Property, Plant and Equipment, Gross $ 542,004 $ 209,645
Accumulated Depreciation (77,044) (54,343)
Property, Plant and Equipment, Net 464,960 155,302
Facilities and plant equipment [Member]    
Property, Plant and Equipment, Gross 501,800 190,714
Land [Member]    
Property, Plant and Equipment, Gross 7,541 2,570
Other equipment, vehicles and furniture [Member]    
Property, Plant and Equipment, Gross 9,084 7,641
Construction in Progress [Member]    
Property, Plant and Equipment, Gross $ 23,579 $ 8,720