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Share-Based Compensation (Summary of Stock Option Activity) (Details) - USD ($)
$ / shares in Units, $ in Thousands
9 Months Ended
Sep. 30, 2017
Sep. 30, 2016
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]    
Options outstanding, beginning balance (in shares) 500,000  
Granted (in shares) 0 0
Exercised (in shares) 0  
Forfeited (in shares) 0  
Options outstanding, ending balance (in shares) 500,000  
Options exercisable (in shares) 200,000  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract]    
Options outstanding, beginning balance (in dollars per share) $ 7.49  
Granted (in dollars per share) 0.00  
Exercised (in dollars per share) 0.00  
Forfeited (in dollars per share) 0.00  
Options outstanding, ending balance (in dollars per share) 7.49  
Options exercisable (in dollars per share) $ 7.49  
Options outstanding, weighted average remaining life (in years) 7 years 26 days  
Options exercisable, weighted average remaining life (in years) 7 years 26 days  
Options outstanding, aggregate intrinsic value $ 1,205  
Options exercisable, aggregate intrinsic value $ 482