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Goodwill and Other Intangible Assets - Summary of Other Intangible Assets (Details) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2014
Dec. 31, 2013
Finite-Lived Intangible Assets, Net [Abstract]    
Amortized intangible assets, Gross Carrying Value $ 6,746 $ 6,817
Accumulated Amortization (3,070) (2,797)
Amortized intangible assets, Net Carrying Value 3,676 4,020
Intangible Assets, Gross (Excluding Goodwill) 7,206 7,277
Total Other Intangible Assets, Net 4,136 4,480
Customer contracts and relationships
   
Finite-Lived Intangible Assets, Net [Abstract]    
Amortized intangible assets, Gross Carrying Value 5,680 5,537
Accumulated Amortization (2,828) (2,521)
Amortized intangible assets, Net Carrying Value 2,852 3,016
Other
   
Finite-Lived Intangible Assets, Net [Abstract]    
Amortized intangible assets, Gross Carrying Value 1,066 1,280
Accumulated Amortization (242) (276)
Amortized intangible assets, Net Carrying Value 824 1,004
Business licenses
   
Finite-Lived Intangible Assets, Net [Abstract]    
Accumulated Amortization 0 0
Unamortized intangible assets, Gross Carrying Value $ 460 $ 460