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Share-Based Compensation (Narrative Disclosures) (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Dec. 31, 2015
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]      
Number of shares available for grant 310,584    
Stock options graded vesting minimum period 4 years    
Stock options graded vesting maximum period 8 years    
Stock options contractual term 10 years    
Stock-based compensation related to stock options recognized in the consolidated financial statements $ 0 $ 0  
Deferred compensation expense yet to be recognized $ 2,000    
Period of time that deferred compensation expense will be recognized 2 years 7 months 17 days    
Stock options outstanding 0   0