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Derivative Financial Instruments (Tables)
 12 Months Ended
Dec. 31, 2018
Derivative Financial Instruments [Abstract]  
Schedule of fair values of derivative instruments on the balance sheet
 Asset Derivatives Liability Derivatives
($ in thousands) Balance Sheet Fair  Balance Sheet Fair 
December 31, 2018 Location Value  Location Value 
Derivatives not designated as hedging instruments:     
Interest rate contracts Other Assets $687  Other Liabilities $687 
             
 Asset Derivatives Liability Derivatives
($ in thousands) Balance Sheet Fair  Balance Sheet Fair 
December 31, 2017 Location Value  Location Value 
Derivatives not designated as hedging instruments:            
Interest rate contracts Other Assets $698  Other Liabilities $698