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EARTHQUAKE INSURANCE RECOVERY AND GOVERNMENT GRANT (Details) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Sep. 30, 2014
Jun. 30, 2013
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
GAIN ON EARTHQUAKE INSURANCE RECOVERY [Abstract]          
Insurance Recoveries   $ 38,700      
Gain on earthquake insurance recovery   $ 22,451 $ 0 $ 0 $ 22,451
Revenue from Grants $ 11,300