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Revenue Recognition (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2019 | Sep. 30, 2018 | Sep. 30, 2019 | Sep. 30, 2018
Revenue from Customers [Abstract] |  |  |  |
Revenue from customers | $ 1,742 | $ 1,634 | $ 5,197 | $ 4,819
Service Charges [Member] |  |  |  |
Revenue from Customers [Abstract] |  |  |  |
Revenue from customers | 1,225 | 1,181 | 3,498 | 3,455
Overdraft Fees [Member] |  |  |  |
Revenue from Customers [Abstract] |  |  |  |
Revenue from customers | 405 | 395 | 1,132 | 1,143
Statement Fees [Member] |  |  |  |
Revenue from Customers [Abstract] |  |  |  |
Revenue from customers | 52 | 50 | 153 | 155
Interchange Revenue [Member] |  |  |  |
Revenue from Customers [Abstract] |  |  |  |
Revenue from customers | 589 | 566 | 1,724 | 1,671
ATM Income [Member] |  |  |  |
Revenue from Customers [Abstract] |  |  |  |
Revenue from customers | 108 | 104 | 300 | 301
Other Service Charges [Member] |  |  |  |
Revenue from Customers [Abstract] |  |  |  |
Revenue from customers | 71 | 66 | 189 | 185
Trust [Member] |  |  |  |
Revenue from Customers [Abstract] |  |  |  |
Revenue from customers | 148 | 147 | 589 | 548
Brokerage and Insurance [Member] |  |  |  |
Revenue from Customers [Abstract] |  |  |  |
Revenue from customers | 289 | 222 | 843 | 571
Other [Member] |  |  |  |
Revenue from Customers [Abstract] |  |  |  |
Revenue from customers | $ 80 | $ 84 | $ 267 | $ 245
Revenue [Member] | Product Concentration Risk [Member] | Products and Services Not within the Scope of ASC 606 [Member] |  |  |  |
Concentration Risk [Abstract] |  |  |  |
Concentration risk percentage | 90.40% | 90.00% | 90.10% | 90.00%

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