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Goodwill (Tables)
9 Months Ended
Sep. 30, 2020
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule of activity in goodwill
   Nine Months Ended 
   September 30,
2020
   September 30,
2019
 
($ in thousands)  Carrying Amount   Carrying Amount 
         
Beginning balance  $17,792   $16,353 
Acquired goodwill   4,325    1,439 
Measurement period adjustments   (26)   - 
           
Ending balance  $22,091   $17,792