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Share-Based Compensation (Summary of Unvested Stock Options Activity) (Details) - 6 months ended Jun. 30, 2015 - $ / shares
shares in Thousands
Total
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Number of Shares [Roll Forward]  
Unvested, beginning balance (in shares) 500
Granted (in shares) 0
Vested (in shares) 0
Forfeited (in shares) 0
Unvested, ending balance (in shares) 500
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]  
Unvested, beginning balance (in dollars per share) $ 2.88
Granted (in dollars per share) 0.00
Vested (in dollars per share) 0.00
Forfeited (in dollars per share) 0.00
Unvested, ending balance (in dollars per share) $ 2.88