Quarterly report pursuant to Section 13 or 15(d)

INCOME TAXES (Details)

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INCOME TAXES (Details) (USD $)
3 Months Ended 6 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Jun. 30, 2014
Jun. 30, 2013
Income Tax Examination [Line Items]        
Expected annual effective income tax rate     20.00% 19.00%
Income tax expense $ 4,710,000 $ 8,401,000 $ 2,655,000 $ 11,960,000
Income tax expense based on expected annual rate     7,000,000  
Adjustments for taxes related to prior periods     400,000  
Reversal of valuation allowances     6,100,000  
Major tax jurisdictions [Member] | Minimum [Member]
       
Income Tax Examination [Line Items]        
Tax years remain open to examination     2005  
Major tax jurisdictions [Member] | Maximum [Member]
       
Income Tax Examination [Line Items]        
Tax years remain open to examination     2013  
State and Local Jurisdiction [Member]
       
Income Tax Examination [Line Items]        
Income tax expense based on expected annual rate     $ 1,900,000