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Derivative Financial Instruments (Tables)
 12 Months Ended
Dec. 31, 2017
Derivative Financial Instruments [Abstract]  
Schedule of fair values of derivative instruments on the balance sheet
  Asset Derivatives Liability Derivatives
  December 31, 2017 December 31, 2017
($ in thousands) Balance Sheet Location Fair Value  Balance Sheet Location Fair Value 
Derivatives not designated as hedging instruments:          
Interest rate contracts Other Assets $698  Other Liabilities $698 

 

  Asset Derivatives Liability Derivatives
  December 31, 2016 December 31, 2016
($ in thousands) Balance Sheet Location Fair Value  Balance Sheet Location Fair Value 
Derivatives not designated as hedging instruments:          
Interest rate contracts Other Assets $623  Other Liabilities $623