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GAIN ON EARTHQUAKE INSURANCE RECOVERY (Details) (USD $)
3 Months Ended 6 Months Ended
Jun. 30, 2013
Jun. 30, 2012
Jun. 30, 2013
Jun. 30, 2012
GAIN ON EARTHQUAKE INSURANCE RECOVERY [Abstract]        
Gain on earthquake insurance recovery $ 22,451,000 $ 0 $ 22,451,000 $ 0
Insurance Recoveries $ 38,700,000