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Short-Term Borrowings (Details Textual)
$ in Millions
9 Months Ended
Sep. 30, 2016
USD ($)
Short-term Debt [Line Items]  
Line of Credit Facility, Maximum Amount Outstanding During Period $ 23.5
Long-term Line of Credit $ 22.8
Line of Credit Facility, Interest Rate Description LIBOR plus 0.75
Line of Credit [Member]  
Short-term Debt [Line Items]  
Debt Instrument, Interest Rate at Period End 1.30%
Revolving Credit Facility [Member]  
Short-term Debt [Line Items]  
Line of Credit Facility, Amount, Total $ 60.0
Line of Credit Facility, Expiration Date Nov. 04, 2016