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Intangible Assets (Schedule of Company's Intangible Assets) (Details) (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2013
Dec. 31, 2012
Unamortized intangible assets:    
Goodwill, Gross Carrying Amount $ 11,817 [1] $ 11,817 [1]
Goodwill, Accumulated Amortization (227) [1] (227) [1]
Total intangible assets 16,745 16,745
Accumulated Amortization (1,813) (1,398)
Customer Lists [Member]
    
Assets eligible for amortization:    
Gross Carrying Amount 3,933 3,933
Accumulated Amortization (1,307) (1,015)
Non-compete Agreements [Member]
    
Assets eligible for amortization:    
Gross Carrying Amount 261 261
Accumulated Amortization (92) (53)
Software [Member]
    
Assets eligible for amortization:    
Gross Carrying Amount 234 234
Accumulated Amortization (137) (78)
Other [Member]
    
Assets eligible for amortization:    
Gross Carrying Amount 500 500
Accumulated Amortization $ (50) $ (25)
[1] Amortization through December 31, 2001 prior to adoption of FASB ASC 350.