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STOCKHOLDERS' EQUITY (Details) (USD $)
3 Months Ended 12 Months Ended 3 Months Ended 3 Months Ended
Mar. 31, 2014
Plan
Dec. 31, 2013
Dec. 31, 2011
Mar. 31, 2014
$ 4.00-$13.99 [Member]
Mar. 31, 2014
$ 14.00-$19.99 [Member]
Mar. 31, 2014
$ 20.00-$25.00 [Member]
Mar. 31, 2014
Stock Options [Member]
Mar. 31, 2014
Restricted Stock [Member]
Mar. 31, 2013
Restricted Stock [Member]
Dec. 31, 2013
Restricted Stock [Member]
Mar. 31, 2014
LTIP [Member]
Mar. 31, 2013
LTIP [Member]
Mar. 31, 2014
LTIP [Member]
Stock Options [Member]
Mar. 31, 2013
LTIP [Member]
Stock Options [Member]
Mar. 31, 2014
LTIP [Member]
Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                              
Number of stock incentive plans 2                            
Vesting period of performance-based shares 4 years   4 years                        
Specified operating income margin period one or more of the fiscal years   one or more of the fiscal years                        
Net share settlement for restricted stock (in shares)                         15,209 56,635  
Net share settlement for stock options (in shares)                     15,209 56,635      
Decrease in equity due to payment of tax for employee                     $ 100,000 $ 400,000      
Shares [Abstract]                              
Nonvested restricted stock outstanding, beginning balance (in shares)               1,247,946              
Canceled (in shares)               (111,864)              
Vested (in shares)               (36,423)              
Nonvested restricted stock outstanding, ending balance (in shares)               1,099,659              
Weighted Average Grant Date Fair Value [Abstract]                              
Nonvested restricted stock outstanding, beginning balance (in dollars per share)               $ 6.77              
Canceled (in dollars per share)               $ 9.99              
Vested (in dollars per share)               $ 15.32              
Nonvested restricted stock outstanding, ending balance (in dollars per share)               $ 6.16              
Recognized restricted stock expense               1,000,000 1,200,000            
Unrecognized restricted stock expense               5,300,000   6,800,000          
Outstanding restricted shares, intrinsic value                             4,100,000
Shares [Abstract]                              
Outstanding, beginning balance (in shares) 547,125                            
Canceled (in shares) (21,500)                            
Outstanding, ending balance (in shares) 525,625 547,125                          
Vested or expected to vest (in shares) 516,493                            
Exercisable, ending balance (in shares) 479,965                            
Weighted Average Exercise Price Per Share [Abstract]                              
Outstanding, beginning balance (in dollars per share) $ 14.73                            
Canceled (in dollars per share) $ 13.21                            
Outstanding, ending balance (in dollars per share) $ 14.80 $ 14.73                          
Vested or expected to vest (in dollars per share) $ 14.92                            
Exercisable, ending balance (in dollars per share) $ 15.46                            
Weighted Average Remaining Contractual Term [Abstract]                              
Outstanding, beginning balance 4 years 3 months 25 days 4 years 6 months 22 days                          
Outstanding, ending balance 4 years 3 months 25 days 4 years 6 months 22 days                          
Vested or expected to vest 4 years 3 months                            
Exercisable, ending balance 3 years 11 months 19 days                            
Aggregate Intrinsic Value [Abstract]                              
Outstanding, beginning balance 0                            
Canceled 0                            
Outstanding, ending balance 0 0                          
Vested or expected to vest 0                            
Exercisable, ending balance 0                            
Unrecognized pre-tax compensation expense             $ 100,000                
Weighted average period of unrecognized pre-tax compensation             0 years 11 months 1 day                
Range of Exercise Prices [Abstract]                              
Range of Exercise Prices, Minimum (in dollars per share)       $ 4.00 $ 14.00 $ 20.00                  
Range of Exercise Prices, Maximum (in dollars per share)       $ 13.99 $ 19.99 $ 25.00                  
Stock Options Outstanding [Abstract]                              
Shares (in shares) 525,625     244,792 182,333 98,500                  
Contractual Weighted Average Life 4 years 3 months 25 days     5 years 10 months 13 days 3 years 1 month 10 days 2 years 8 months 12 days                  
Weighted Average Price (in dollars per share) $ 14.80     $ 9.63 $ 17.67 $ 22.32                  
Stock Options Exercisable [Abstract]                              
Shares (in shares) 479,965     199,132 182,333 98,500                  
Weighted Exercise Price (in dollars per share) $ 15.46     $ 10.05 $ 17.67 $ 22.32