Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation (Schedule of Stock-based Awards Granted) (Details)

v3.7.0.1
Stock-Based Compensation (Schedule of Stock-based Awards Granted) (Details) - 2007 Stock Incentive Plan - shares
3 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Stock options    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross 125,000 0
Restricted stock awards and restricted stock units    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period 62,500 0
Performance stock units    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period 166,149 0