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Borrowings - Long Term Debt (Details) - USD ($)
$ in Thousands
Dec. 31, 2015
Dec. 31, 2014
Long-term debt    
Total debt $ 33,450 $ 11,402
Unamortized debt fees 770 1,340
Long-term debt 32,680 10,062
Bank debt    
Long-term debt    
Total debt $ 33,450 $ 11,402