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Mortgage Banking and Servicing Rights (Tables)
12 Months Ended
Dec. 31, 2023
Mortgage Banking and Servicing Rights [Abstract]  
Schedule of Mortgage Servicing Rights Capitalized and Related Amortization The following table summarizes mortgage servicing rights capitalized and related amortization, along with activity in the related valuation allowance at December 31:
($ in thousands)  2023   2022 
         
Carrying amount, beginning of year  $13,503   $12,034 
Mortgage servicing rights capitalized during the year   1,695    1,939 
Mortgage servicing rights amortization during the year   (1,242)   (1,749)
Net change in valuation allowance   (50)   1,279 
Carrying amount, end of year  $13,906   $13,503 
           
Valuation allowance:          
Beginning of year  $177   $1,456 
Increase (reduction)   50    (1,279)
End of year  $227   $177 
           
Fair value, beginning of period  $15,754   $12,629 
Fair value, end of period  $17,125   $15,754