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Goodwill And Other Intangible Assets (Narrative) (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
Goodwill [Line Items]        
Amortization expense $ 827 $ 999 $ 2,512 $ 2,083
Minimum [Member]
       
Goodwill [Line Items]        
Weighted average useful life of acquired finite-lived intangible assets     7 years  
Maximum [Member]
       
Goodwill [Line Items]        
Weighted average useful life of acquired finite-lived intangible assets     10 years  
Customer Relationships [Member]
       
Goodwill [Line Items]        
Weighted-average amortization period of finite-lived intangible assets     8 years  
Non-compete Agreements [Member]
       
Goodwill [Line Items]        
Weighted-average amortization period of finite-lived intangible assets     8 years