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Other Borrowings and Notes Payable (Tables) | 12 Months Ended
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Dec. 31, 2022
Debt Instrument [Line Items] |
Schedule of Long-term Debt Instruments [Table Text Block] | Term Loan In February 2019, the Company entered into a five year, $40.0 million unsecured term loan agreement (the “Term Loan”) with another bank with the proceeds primarily used to fund the company’s cash portion of an acquisition in 2019. The interest rate was one-month LIBOR plus 125 basis points until February 2022. In February 2022, the interest rate on the Term Loan was amended to one-month Term SOFR plus 136 basis points. A summary of the Term Loan is as follows:
| December 31, |  |
($ in thousands) | 2022 |  | 2021 |  |
Term Loan | $ | 17,143 |  |  | $ | 22,857 |  |  |
Average balance during the year | 20,681 |  |  | 26,427 |  |  |
Maximum balance outstanding at any month-end | 22,857 |  |  | 28,571 |  |  |
Weighted average interest rate during the year | 2.94 | % |  | 1.40 | % |  |
Average interest rate at December 31 | 5.48 | % |  | 1.38 | % |  |
Schedule of Line of Credit Facilities [Table Text Block] | Revolving Credit Line In February 2016, the Company entered into a senior unsecured revolving credit agreement (the “Revolving Agreement”) with another bank. The Revolving Agreement has a one-year term, maturing on February 22, 2023, allows for borrowings up to $25 million, and had an interest rate of one-month LIBOR plus 125 basis points until February 2022. In February 2022, the Revolving Agreement was renewed for a one-year term and the interest rate was amended to one-month Term SOFR plus 136 basis points. The proceeds can be used for general corporate purposes. The Revolving Agreement is subject to ongoing compliance with a number of customary affirmative and negative covenants as well as specified financial covenants. The revolving credit line was not accessed in 2022 or 2021.
Other Borrowings |
Debt Instrument [Line Items] |
Summary of Other Borrowings | A summary of securities sold under agreements to repurchase is as follows:
| December 31,
($ in thousands) | 2022 |  | 2021
Securities sold under agreement to repurchase | $ | 270,773 |  |  | $ | 331,006 |
Average balance during the year | 211,039 |  |  | 225,895 |
Maximum balance outstanding at any month-end | 284,269 |  |  | 331,006 |
Average interest rate during the year | 0.24 | % |  | 0.10 | %
Average interest rate at December 31 | 1.44 | % |  | 0.06 | %

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