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Commitments and Contingent Liabilities (Tables)
 12 Months Ended
Dec. 31, 2023
Commitments and Contingencies Disclosure [Abstract]  
Schedule of Commitments
The contractual amounts of off-balance-sheet financial instruments are as follows: 
($ in thousands)December 31, 2023December 31, 2022
Commitments to extend credit$2,937,760 $3,113,966 
Letters of credit107,082 68,544 
Tax credits3,514 4,075 
Limited partnership commitments32,548 35,090