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Summary of Significant Accounting Policies (Details) - USD ($) $ / shares in Units, $ in Thousands |  | 12 Months Ended
--- | --- | ---
Jan. 01, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Accounting Policies [Line Items] |  |  |
FHLB stock sold back at par value |  | $ 100 |
Loans transfer to OREO |  | $ 0 |
Real estate acquired through foreclosure |  | 114 | $ 114
Sale of OREO |  | $ 0 | 0
Federal Tax Rate | 21.00% | 34.00% |
Tax charge |  | $ 592 |
Income tax expense |  | 913 | (83)
Advertising and marketing related expenses |  | $ 162 | $ 78
Forecast |  |  |
Accounting Policies [Line Items] |  |  |
Federal Tax Rate | 21.00% |  |
Maximum |  |  |
Accounting Policies [Line Items] |  |  |
Federal Tax Rate |  | 35.00% |
Computer Software, Intangible Asset [Member] | Minimum |  |  |
Accounting Policies [Line Items] |  |  |
Intangible assets amortization period |  | 3 years |
Computer Software, Intangible Asset [Member] | Maximum |  |  |
Accounting Policies [Line Items] |  |  |
Intangible assets amortization period |  | 5 years |

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- Definition Disposals of other real estate not separately disclosed, including, but not limited to, real estate investments, real estate loans that qualify as investments in real estate, and premises that are no longer used in operations may also be included in real estate owned. This excludes real estate assets taken in settlement of troubled loans through surrender or foreclosure. + References No definition available. + Details
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