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Stock-Based Compensation (Stock-Based Compensation and Related Tax Benefit) (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 9 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Sep. 30, 2014
Sep. 30, 2013
Share-based Compensation [Abstract]        
Total stock-based compensation $ 428 $ 369 $ 1,382 $ 1,052
Recognized tax benefit (150) (129) (484) (368)
Net expense recognized $ 278 $ 240 $ 898 $ 684