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Loans Receivable and Allowance for Loan Losses (Loan Portfolio Summarized by the Past Due Status) (Details) - USD ($) $ in Thousands | Dec. 31, 2019 | Dec. 31, 2018
--- | --- | ---
Financing Receivable, Past Due [Line Items] |  |
Current | $ 919,381 | $ 846,250
Non-Accrual | 795 | 1,140
Total Past Due and Non-Accrual | 5,295 | 4,052
Total Loans | 924,676 | 850,302
Financing Receivables, 31 to 60 Days Past Due [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Past Due | 1,218 | 1,907
Financing Receivables, 61 to 90 Days Past Due [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Past Due | 3,282 | 1,005
Financing Receivables, Greater than 90 Days Past Due [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Past Due |  |
Residential Real Estate Loans [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Current | 228,242 | 234,201
Non-Accrual | 567 | 798
Total Past Due and Non-Accrual | 1,539 | 1,322
Total Loans | 229,781 | 235,523
Residential Real Estate Loans [Member] | Financing Receivables, 31 to 60 Days Past Due [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Past Due | 727 | 373
Residential Real Estate Loans [Member] | Financing Receivables, 61 to 90 Days Past Due [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Past Due | 245 | 151
Residential Real Estate Loans [Member] | Financing Receivables, Greater than 90 Days Past Due [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Past Due |  |
Commercial Real Estate Loans [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Current | 388,117 | 372,617
Non-Accrual | 99 | 342
Total Past Due and Non-Accrual | 3,210 | 2,173
Total Loans | 391,327 | 374,790
Commercial Real Estate Loans [Member] | Financing Receivables, 31 to 60 Days Past Due [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Past Due | 176 | 1,043
Commercial Real Estate Loans [Member] | Financing Receivables, 61 to 90 Days Past Due [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Past Due | 2,935 | 788
Commercial Real Estate Loans [Member] | Financing Receivables, Greater than 90 Days Past Due [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Past Due |  |
Construction Real Estate Loans [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Current | 17,695 | 17,445
Non-Accrual |  |
Total Past Due and Non-Accrual | 37 |
Total Loans | 17,732 | 17,445
Construction Real Estate Loans [Member] | Financing Receivables, 31 to 60 Days Past Due [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Past Due |  |
Construction Real Estate Loans [Member] | Financing Receivables, 61 to 90 Days Past Due [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Past Due | 37 |
Construction Real Estate Loans [Member] | Financing Receivables, Greater than 90 Days Past Due [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Past Due |  |
Commercial [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Current | 134,018 | 110,191
Non-Accrual | 50 |
Total Past Due and Non-Accrual | 132 | 351
Total Loans | 134,150 | 110,542
Commercial [Member] | Financing Receivables, 31 to 60 Days Past Due [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Past Due | 82 | 320
Commercial [Member] | Financing Receivables, 61 to 90 Days Past Due [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Past Due |  | 31
Commercial [Member] | Financing Receivables, Greater than 90 Days Past Due [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Past Due |  |
Consumer Loans To Individuals [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Current | 151,309 | 111,796
Non-Accrual | 79 |
Total Past Due and Non-Accrual | 377 | 206
Total Loans | 151,686 | 112,002
Consumer Loans To Individuals [Member] | Financing Receivables, 31 to 60 Days Past Due [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Past Due | 233 | 171
Consumer Loans To Individuals [Member] | Financing Receivables, 61 to 90 Days Past Due [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Past Due | 65 | 35
Consumer Loans To Individuals [Member] | Financing Receivables, Greater than 90 Days Past Due [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Past Due |  |

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