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Income Tax, Components of Deferred Tax Asset and Liability (Details) - USD ($) $ in Thousands | Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
--- | --- | --- | ---
Deferred Tax Assets, Gross [Abstract] |  |  |
Deferred Tax Asset, Allowance For Loan Loss | $ 1,203 | $ 1,195 |
Deferred Tax Assets, Unrealized Losses on Available-for-Sale Securities, Gross | 1,262 | 190 |
Deferred Tax Assets, Other | 135 | 216 |
Deferred Tax Assets, Gross | 2,600 | 1,601 |
Deferred Tax Liabilities [Abstract] |  |  |
Deferred Tax Liabilities, Property, Plant and Equipment | 280 | 241 |
Deferred Tax Liabilities, Originated Mortgage Servicing Rights | 362 | 413 |
Deferred Tax Liabilities, Other | 168 | 158 |
Deferred Income Tax Liabilities, Gross, Total | 810 | 812 |
Deferred Tax Assets (Liabilities), Net | $ 1,790 | $ 789 | $ 1,280

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