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Loans Receivable and Allowance for Loan Losses (Loan Portfolio Summarized by the Past Due Status) (Details) - USD ($) $ in Thousands | Jun. 30, 2019 | Dec. 31, 2018
--- | --- | ---
Financing Receivable, Past Due [Line Items] |  |
Current | $ 885,451 | $ 846,250
Non-Accrual | 1,355 | 1,140
Total Past Due and Non-Accrual | 2,353 | 4,052
Total Loans | 887,804 | 850,302
Financing Receivables, 31 to 60 Days Past Due [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Past Due | 862 | 1,907
Financing Receivables, 61 to 90 Days Past Due [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Past Due | 136 | 1,005
Financing Receivables, Greater than 90 Days Past Due [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Past Due | 0 | 0
Residential Real Estate Loans [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Current | 229,382 | 234,201
Non-Accrual | 574 | 798
Total Past Due and Non-Accrual | 1,023 | 1,322
Total Loans | 230,405 | 235,523
Residential Real Estate Loans [Member] | Financing Receivables, 31 to 60 Days Past Due [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Past Due | 377 | 373
Residential Real Estate Loans [Member] | Financing Receivables, 61 to 90 Days Past Due [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Past Due | 72 | 151
Residential Real Estate Loans [Member] | Financing Receivables, Greater than 90 Days Past Due [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Past Due | 0 | 0
Commercial Real Estate Loans [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Current | 380,828 | 372,617
Non-Accrual | 752 | 342
Total Past Due and Non-Accrual | 1,087 | 2,173
Total Loans | 381,915 | 374,790
Commercial Real Estate Loans [Member] | Financing Receivables, 31 to 60 Days Past Due [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Past Due | 271 | 1,043
Commercial Real Estate Loans [Member] | Financing Receivables, 61 to 90 Days Past Due [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Past Due | 64 | 788
Commercial Real Estate Loans [Member] | Financing Receivables, Greater than 90 Days Past Due [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Past Due | 0 | 0
Construction Real Estate Loans [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Current | 19,784 | 17,445
Non-Accrual | 0 | 0
Total Past Due and Non-Accrual | 0 | 0
Total Loans | 19,784 | 17,445
Construction Real Estate Loans [Member] | Financing Receivables, 31 to 60 Days Past Due [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Past Due | 0 | 0
Construction Real Estate Loans [Member] | Financing Receivables, 61 to 90 Days Past Due [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Past Due | 0 | 0
Construction Real Estate Loans [Member] | Financing Receivables, Greater than 90 Days Past Due [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Past Due | 0 | 0
Commercial [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Current | 120,646 | 110,191
Non-Accrual | 29 | 0
Total Past Due and Non-Accrual | 86 | 351
Total Loans | 120,732 | 110,542
Commercial [Member] | Financing Receivables, 31 to 60 Days Past Due [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Past Due | 57 | 320
Commercial [Member] | Financing Receivables, 61 to 90 Days Past Due [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Past Due | 0 | 31
Commercial [Member] | Financing Receivables, Greater than 90 Days Past Due [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Past Due | 0 | 0
Consumer Loans To Individuals [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Current | 134,811 | 111,796
Non-Accrual | 0 | 0
Total Past Due and Non-Accrual | 157 | 206
Total Loans | 134,968 | 112,002
Consumer Loans To Individuals [Member] | Financing Receivables, 31 to 60 Days Past Due [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Past Due | 157 | 171
Consumer Loans To Individuals [Member] | Financing Receivables, 61 to 90 Days Past Due [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Past Due | 0 | 35
Consumer Loans To Individuals [Member] | Financing Receivables, Greater than 90 Days Past Due [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Past Due | $ 0 | $ 0

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