Stock-Based Compensation (Schedule of Stock-based Awards Granted) (Details) - shares	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Stock options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of stock options granted during period (in shares)	130,000	47,500	140,000	47,500
2007 Stock Incentive Plan | Restricted stock awards and restricted stock units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of equity other than options granted during period (in shares)	143,468	87,500	150,218	87,500
Executive management | Stock options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of stock options granted during period (in shares)	130,000
Executive management | 2007 Stock Incentive Plan | Restricted stock awards and restricted stock units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of equity other than options granted during period (in shares)	25,251