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Business Combinations, Goodwill and Intangible Assets (Total Consideration Transferred and Fair Value of Assets Acquired and Liabilities Assumed) (Details) - USD ($) $ in Thousands | Jan. 01, 2022 | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | --- | --- | --- | ---
Recognized Amounts of Identifiable Assets Acquired and Liabilities Assumed: |  |  |  |  |
Goodwill |  | $ 180,357 | $ 180,357 | $ 121,761 | $ 121,956
Citizens Union Bancorp of Shelbyville, Inc. ("CUB") |  |  |  |  |
Consideration |  |  |  |  |
Cash for Options and Fractional Shares | $ 942 |  |  |  |
Cash Consideration | 49,863 |  |  |  |
Equity Instruments | 111,914 |  |  |  |
Fair Value of Total Consideration Transferred | 162,719 |  |  |  |
Recognized Amounts of Identifiable Assets Acquired and Liabilities Assumed: |  |  |  |  |
Cash | 20,244 |  |  |  |
Federal Funds Sold and Other Short-term Investments | 238,325 |  |  |  |
Interest-bearing Time Deposits with Banks | 250 |  |  |  |
Securities | 102,233 |  |  |  |
Loans | 678,142 |  |  |  |
Stock in FHLB of Indianapolis and Other Restricted Stock, at Cost | 10,078 |  |  |  |
Premises, Furniture & Equipment | 19,805 |  |  |  |
Other Real Estate | 40 |  |  |  |
Intangible Assets | 7,572 |  |  |  |
Company Owned Life Insurance | 12,881 |  |  |  |
Accrued Interest Receivable and Other Assets | 18,309 |  |  |  |
Deposits - Non-interest Bearing | (237,472) |  |  |  |
Deposits - Interest Bearing | (696,750) |  |  |  |
FHLB Advances and Other Borrowings | (60,837) |  |  |  |
Accrued Interest Payable and Other Liabilities | (8,697) |  |  |  |
Total Identifiable Net Assets | 104,123 |  |  |  |
Goodwill | $ 58,596 |  |  |  |

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