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Revenue (Tables) | 12 Months Ended
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Dec. 31, 2023
Revenue from Contract with Customer [Abstract] |
Disaggregation of Revenue [Table Text Block] | A summary of revenue recognized for each major category of contracts with customers, subject to ASC 606, is as follows for the years ended December 31:
| 2023 |  | 2022 |  | 2021
Debit card income | $ | 4,063 |  |  | $ | 3,783 |  |  | $ | 3,623 |
Trust service fees | 3,110 |  |  | 2,622 |  |  | 2,707 |
Investment advisory fees | 447 |  |  | 383 |  |  | 364 |
Service charges and fees related to deposit accounts | 362 |  |  | 345 |  |  | 312 |

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- Definition Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479806/606-10-50-5 + Details
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