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Recent Events, Including Mergers and Acquisitions, Business Combinations (Details) - USD ($) $ in Thousands |  | 12 Months Ended
--- | --- | ---
Dec. 09, 2021 | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Assets Acquired [Abstract] |  |  |  |
Loans |  | $ 48,400 |  |
Liabilities Assumed [Abstract] |  |  |  |
Consideration transferred |  | 0 | $ 0 | $ 29,266
Goodwill |  | 8,458 | 8,603 |
Increase (decrease) in goodwill related to tax provision adjustments |  | $ (146) | $ 124 | $ 0
Watonga Bancshares, Inc [Member] |  |  |  |
Business Combinations [Abstract] |  |  |  |
Percentage of acquired equity | 100.00% |  |  |
Cash consideration | $ 29,300 |  |  |
Assets Acquired [Abstract] |  |  |  |
Cash and cash equivalents | 41,747 |  |  |
Available-for-sale debt securities | 86,166 |  |  |
Federal funds sold | 7,941 |  |  |
Loans | 117,335 |  |  |
Premises and equipment | 8,669 |  |  |
Core deposit intangible | 1,254 |  |  |
Prepaid expenses and other assets | 4,512 |  |  |
Total assets acquired | 267,624 |  |  |
Liabilities Assumed [Abstract] |  |  |  |
Deposits | 243,487 |  |  |
Accounts payable and accrued expenses | 2,086 |  |  |
Total liabilities assumed | 245,573 |  |  |
Net assets acquired | 22,051 |  |  |
Consideration transferred | 29,498 |  |  |
Goodwill | 7,447 |  |  |
Gross loans | 118,500 |  |  |
Discount on gross loans | $ 1,200 |  |  |

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