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Goodwill and Intangible Assets - Future Amortization Expense (Details) - USD ($)
$ in Thousands
Jun. 30, 2015
Dec. 31, 2014
Goodwill and Intangible Assets Disclosure [Abstract]    
2015 $ 152  
2016 137  
2017 137  
2018 137  
2019 137  
Thereafter 476  
Finite-Lived Intangible Assets, Net $ 1,176 $ 1,344