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Revenue (Tables) | 3 Months Ended
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Mar. 31, 2018
Revenue from Contract with Customer [Abstract] |
Schedule of Revenue Recognized for Each Major Category | A summary of revenue recognized for each major category of contracts with customers, subject to ASC 606, is as follows for the:
| Three Months Ended March 31
| 2018 |  | 2017
Debit card income | $ | 588 |  |  | $ | 530 |
Trust service fees | 502 |  |  | 411 |
Brokerage advisory fees | 156 |  |  | 160 |
Service charges and fees related to deposit accounts | 85 |  |  | 85 |
Total | $ | 1,331 |  |  | $ | 1,186 |

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