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Share-Based Compensation (Narrative Disclosures) (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Jun. 30, 2015
Jun. 30, 2014
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]        
Number of shares available for grant 178,738   178,738  
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 $ 0 $ 0
Deferred compensation expense yet to be recognized $ 1,700   $ 1,700  
Period of time that deferred compensation expense will be recognized     2 years 6 months 4 days