Quarterly report pursuant to Section 13 or 15(d)

COMMON AND PREFERRED STOCK (Details)

v3.3.0.814
COMMON AND PREFERRED STOCK (Details)
3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2015
USD ($)
Class
$ / shares
shares
Sep. 30, 2015
USD ($)
Class
$ / shares
shares
Dec. 31, 2014
USD ($)
$ / shares
shares
COMMON AND PREFERRED STOCK [Abstract]      
Total shares of preferred and common stock authorized for issuance (in shares) 100,000,000 100,000,000  
Number of classes of shares | Class 2 2  
Common stock, shares authorized (in shares) 95,000,000 95,000,000 95,000,000
Common stock, par value (in dollars per share) | $ / shares $ 0.001 $ 0.001 $ 0.001
Preferred stock, shares authorized (in shares) 5,000,000 5,000,000 5,000,000
Preferred stock, par value (in dollars per share) | $ / shares $ 0.001 $ 0.001 $ 0.001
Changes in the number of shares of common stock outstanding [Roll forward]      
Beginning Balance (in shares)   61,066,712 61,858,199
Stock Options Exercised (in shares)   0 100,000
Restricted Stock Grants (Note 6) (in shares)   565,039 299,416
Stock Repurchased (in shares)   0 (1,153,885)
Other Surrenders (in shares)   (29,551) (79,461)
Other (in shares)   (1,397) 42,443
Ending Balance (in shares) 61,600,803 61,600,803 61,066,712
Stock Activity [Abstract]      
Common stock surrendered by certain employees to cover tax obligations (in shares)   29,551  
Fair value of common stock surrendered by certain employees to cover tax obligations | $   $ 205,000  
Stock Repurchase Program [Abstract]      
Stock repurchase program, amount approved | $ $ 150,000,000 $ 150,000,000  
Treasury stock, repurchased and retired | $     $ 15,500,000
Performance Stock [Member]      
Performance Equity Awards [Abstract]      
Vesting period   3 years  
Risk-free interest rate, minimum   0.11%  
Risk-free interest rate, maximum   44.00%  
Compensation expense | $ $ 200,000 $ 300,000  
Performance Stock [Member] | Minimum [Member]      
Performance Equity Awards [Abstract]      
Participant's earning percentage 0.00% 0.00%  
Performance Stock [Member] | Maximum [Member]      
Performance Equity Awards [Abstract]      
Participant's earning percentage 150.00% 150.00%  
Value of performance shares if all participants earned maximum award | $ $ 2,900,000 $ 2,900,000