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STOCK-BASED COMPENSATION Deferred Compensation Arrangement (Details) (USD $)
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Deferred Compensation Arrangement with Employees and Non Employees, Share Based Payments [Line Items]      
Fair value of shares withheld for tax withholding obligations $ 2,800,000 $ 3,500,000 $ 3,400,000
Director [Member]
     
Deferred Compensation Arrangement with Employees and Non Employees, Share Based Payments [Line Items]      
Vesting period 1 year    
Fair value of shares issued $ 525,000 $ 532,000 $ 816,000
Deferred Compensation Arrangement with Individual, Shares Issued 20,000 20,000 20,000