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Mortgage Banking and Servicing Rights (Tables)
12 Months Ended
Dec. 31, 2021
Mortgage Servicing Rights [Abstract]  
Schedule of mortgage servicing rights capitalized and related amortization, along with activity in the related valuation allowance
($ in thousands)   2021     2020  
Carrying amount, beginning of year   $ 7,759     $ 11,017  
Mortgage servicing rights capitalized during the year     4,724       5,090  
Mortgage servicing rights amortization during the year     (3,885 )     (4,762 )
Net change in valuation allowance     3,436       (3,586 )
Carrying amount, end of year   $ 12,034     $ 7,759  
                 
Valuation allowance:                
Beginning of year   $ 4,892     $ 1,306  
Increase (reduction)     (3,436 )     3,586  
End of year   $ 1,456     $ 4,892  
                 
Fair value, beginning of period   $ 7,759     $ 11,864  
Fair value, end of period   $ 12,629     $ 7,759