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Stock-Based Compensation (Narrative) (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2015
Mar. 31, 2015
Sep. 30, 2014
Sep. 30, 2015
Sep. 30, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Share-based compensation       $ 1,382 $ 2,403
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized $ 3,435     $ 3,435  
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition       4 years  
Excess Tax Benefit from Share-based Compensation, Financing Activities       $ 289 $ 283
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number 0     0  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period   7,500     11,250
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross       0 0
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period       0 0
Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price   $ 9.08     $ 11.67
Restricted Stock And Performance Shares Combined [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Share-based compensation $ (514)   $ 604    
The Omnibus Plan [Member] | Restricted Stock And Performance Shares Combined [Member] | Vesting Period 1 [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period       4 years  
The Omnibus Plan [Member] | Restricted Stock And Performance Shares Combined [Member] | Vesting Period 2 [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period       3 years