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Stock Options, Restricted Stock and Restricted Stock Units (Details 1) - USD ($)
$ / shares in Units, $ in Thousands
 6 Months Ended 12 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Dec. 31, 2014
Schedule of stock option activity and other stock option information      
Exercises, Number of shares      
Stock options [Member]      
Schedule of stock option activity and other stock option information      
Beginning Balance, Number of shares 100,000    
Grants, Number of shares      
Exercises, Number of shares      
Forfeitures/Expirations, Number of shares      
Ending Balance, Number of shares 100,000   100,000
Exercisable, Number of shares 100,000    
Beginning Balance, Weighted-average exercise price $ 51.95    
Grants, Weighted-average exercise price      
Exercises, Weighted-average exercise price      
Forfeitures/Expirations, Weighted-average exercise price      
Ending Balance, Weighted-average exercise price $ 51.95   $ 51.95
Exercisable, Weighted-average exercise price $ 51.95    
Weighted-average remaining contractual life (yrs.) 5 years 6 months   6 years
Exercisable, Weighted-average remaining contractual life (yrs.) 5 years 6 months    
Beginning Balance, Aggregate intrinsic value [1] $ 2,233    
Ending Balance, Aggregate intrinsic value [1]     $ 2,233
Exercisable, Aggregate intrinsic value [1]      
[1] The aggregate intrinsic value in the table above represents the total pre-tax intrinsic value (the difference between the Company's closing stock price on the respective trading day and the exercise price, multiplied by the number of in-the-money options) that would have been received by the option holder had all options been exercised on the respective trading day. The amount of intrinsic value will change based on the fair market value of the Company's common stock.