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Loans Receivable and Allowance for Loan Losses (Classes of the Loan Portfolio Summarized by the Aggregate Risk Rating) (Details) - USD ($) $ in Thousands | Mar. 31, 2019 | Dec. 31, 2018
--- | --- | ---
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Carrying Amount | $ 372,503 | $ 364,970
Total Summarized by Aggregate Risk Rating [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Carrying Amount |  | 485,332
Pass [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Carrying Amount | 478,085 | 470,804
Special Mention [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Carrying Amount | 8,118 | 8,000
Substandard [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Carrying Amount | 5,608 | 6,528
Doubtful Or Loss [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Carrying Amount | 0 | 0
Total Summarized by Performance of Individual Credits [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Carrying Amount | 491,811 |
Performing [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Carrying Amount | 371,889 | 364,172
Nonperforming [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Carrying Amount | 614 | 798
Commercial Real Estate Loans [Member] | Total Summarized by Aggregate Risk Rating [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Carrying Amount |  | 374,790
Commercial Real Estate Loans [Member] | Pass [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Carrying Amount | 359,791 | 360,838
Commercial Real Estate Loans [Member] | Special Mention [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Carrying Amount | 8,118 | 7,918
Commercial Real Estate Loans [Member] | Substandard [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Carrying Amount | 5,367 | 6,034
Commercial Real Estate Loans [Member] | Doubtful Or Loss [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Carrying Amount | 0 | 0
Commercial Real Estate Loans [Member] | Total Summarized by Performance of Individual Credits [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Carrying Amount | 373,276 |
Commercial [Member] | Total Summarized by Aggregate Risk Rating [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Carrying Amount |  | 110,542
Commercial [Member] | Pass [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Carrying Amount | 118,294 | 109,966
Commercial [Member] | Special Mention [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Carrying Amount | 0 | 82
Commercial [Member] | Substandard [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Carrying Amount | 241 | 494
Commercial [Member] | Doubtful Or Loss [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Carrying Amount | 0 | 0
Commercial [Member] | Total Summarized by Performance of Individual Credits [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Carrying Amount | 118,535 |
Residential Real Estate Loans [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Carrying Amount | 231,954 | 235,523
Residential Real Estate Loans [Member] | Performing [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Carrying Amount | 231,358 | 234,725
Residential Real Estate Loans [Member] | Nonperforming [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Carrying Amount | 596 | 798
Construction Real Estate Loans [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Carrying Amount | 18,604 | 17,445
Construction Real Estate Loans [Member] | Performing [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Carrying Amount | 18,604 | 17,445
Construction Real Estate Loans [Member] | Nonperforming [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Carrying Amount | 0 | 0
Consumer Loans To Individuals [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Carrying Amount | 121,945 | 112,002
Consumer Loans To Individuals [Member] | Performing [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Carrying Amount | 121,927 | 112,002
Consumer Loans To Individuals [Member] | Nonperforming [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Carrying Amount | $ 18 | $ 0

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- Definition Net amount of the investment in a contractual right to receive money on demand or on fixed or determinable dates that is recognized as an asset in the creditor's statement of financial position. Examples include, but are not limited to, credit card receivables, notes receivable and receivables relating to lessor's rights to payments from leases other than operating leases that have been recorded as assets. Excludes trade accounts receivable with contractual maturity of one year or less and arose from the sale of goods or services. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.3) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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