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Intangible Assets (Details) (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2012
Dec. 31, 2011
Assets eligible for amortization:    
Accumulated Amortization $ (1,250) $ (816)
Unamortized intangible assets:    
Goodwill 11,817 7,698
Total intangible assets 16,745 8,448
Customer Lists [Member]
   
Assets eligible for amortization:    
Gross Carrying Amount 3,933 750
Accumulated Amortization (908) (589)
Noncompete Agreements [Member]
   
Assets eligible for amortization:    
Gross Carrying Amount 261 0
Accumulated Amortization (39) 0
Software [Member]
   
Assets eligible for amortization:    
Gross Carrying Amount 234 0
Accumulated Amortization (59) 0
Other Intangible Assets [Member]
   
Assets eligible for amortization:    
Gross Carrying Amount 500 0
Accumulated Amortization (17) 0
Goodwill [Member]
   
Assets eligible for amortization:    
Accumulated Amortization $ (227) $ (227)