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Accounting for Certain Loans Acquired in an Acquisition (Tables)
 12 Months Ended
Dec. 31, 2021
Accounting Policies [Abstract]  
Schedule of acquired loans included in the consolidated balance sheet
($ in thousands)   2021     2020  
Commercial & industrial   $ 1,067     $ 1,499  
Commercial real estate - nonowner occupied     97       505  
Agricultural     6,655       9,180  
Residential real estate     2,408       3,176  
Consumer     33       93  
Total loans   $ 10,260     $ 14,453