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INCOME AND FRANCHISE TAXES (Details) (USD $)
3 Months Ended 9 Months Ended
Sep. 30, 2013
Jun. 30, 2013
Mar. 31, 2013
Sep. 30, 2013
Dec. 31, 2012
INCOME AND FRANCHISE TAXES          
Change in valuation allowance recognized as income tax expense (benefit)     $ 119,800,000    
Income tax expense 2,174,000 1,900,000   (115,683,000)  
Valuation allowance for net deferred tax assets 7,500,000     7,500,000  
Net deferred tax assets $ 139,300,000     $ 139,300,000 $ 147,500,000