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Loans Receivable (Details 3) - USD ($) $ in Thousands | 6 Months Ended |
--- | --- | ---
Jun. 30, 2018 | Jun. 30, 2017 | Dec. 31, 2017
Residential real estate [Member] |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Recorded Investment | $ 1,241 |  | $ 1,152
Unpaid Principal Balance | 2,972 |  | 3,621
Related Allowance | 30 |  | 21
Average Recorded Investment | 1,222 | $ 1,713 |
Interest Income Recognized | 26 | 22 |
Home equity [Member] |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Recorded Investment | 124 |  | 0
Unpaid Principal Balance | 124 |  | 0
Related Allowance | 10 |  | 0
Average Recorded Investment | 65 | 0 |
Interest Income Recognized | 0 | 0 |
Commercial Real Estate [Member] |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Recorded Investment | 1,289 |  | 512
Unpaid Principal Balance | 1,289 |  | 512
Related Allowance | 14 |  | 144
Average Recorded Investment | 721 | 480 |
Interest Income Recognized | 16 | 3 |
Construction and land develolpment [Member] |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Recorded Investment | 0 |  | 134
Unpaid Principal Balance | 0 |  | 134
Related Allowance | 0 |  | 0
Average Recorded Investment | 89 | 134 |
Interest Income Recognized | 0 | 0 |
Commercial business [Member] |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Recorded Investment | 413 |  | 724
Unpaid Principal Balance | 413 |  | 724
Related Allowance | 8 |  | 539
Average Recorded Investment | 443 | 660 |
Interest Income Recognized | 8 | 6 |
Impaired Loans With No Related Allowance [Member] | Residential real estate [Member] |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Recorded Investment | 1,110 |  | 1,072
Unpaid Principal Balance | 2,841 |  | 3,351
Related Allowance | 0 |  | 0
Average Recorded Investment | 1,108 | 1,333 |
Interest Income Recognized | 16 | 22 |
Impaired Loans With No Related Allowance [Member] | Home equity [Member] |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Recorded Investment | 65 |  | 0
Unpaid Principal Balance | 65 |  | 0
Related Allowance | 0 |  | 0
Average Recorded Investment | 45 | 0 |
Interest Income Recognized |  | 0 |
Impaired Loans With No Related Allowance [Member] | Commercial Real Estate [Member] |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Recorded Investment | 1,180 |  | 253
Unpaid Principal Balance | 1,180 |  | 253
Related Allowance | 0 |  | 0
Average Recorded Investment | 561 | 381 |
Interest Income Recognized | 0 | 3 |
Impaired Loans With No Related Allowance [Member] | Construction and land develolpment [Member] |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Recorded Investment | 0 |  | 134
Unpaid Principal Balance | 0 |  | 134
Related Allowance | 0 |  | 0
Average Recorded Investment | 89 | 134 |
Interest Income Recognized | 0 | 0 |
Impaired Loans With No Related Allowance [Member] | Commercial business [Member] |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Recorded Investment | 405 |  | 184
Unpaid Principal Balance | 405 |  | 184
Related Allowance | 0 |  | 0
Average Recorded Investment | 257 | 206 |
Interest Income Recognized | 0 | 2 |
Impaired Loans With Related Allowance [Member] | Residential real estate [Member] |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Recorded Investment | 131 |  | 80
Unpaid Principal Balance | 131 |  | 270
Related Allowance | 30 |  | 21
Average Recorded Investment | 114 | 380 |
Interest Income Recognized | 10 | 0 |
Impaired Loans With Related Allowance [Member] | Home equity [Member] |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Recorded Investment | 59 |  | 0
Unpaid Principal Balance | 59 |  | 0
Related Allowance | 10 |  | 0
Average Recorded Investment | 20 | 0 |
Interest Income Recognized | 0 | 0 |
Impaired Loans With Related Allowance [Member] | Commercial Real Estate [Member] |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Recorded Investment | 109 |  | 259
Unpaid Principal Balance | 109 |  | 259
Related Allowance | 14 |  | 144
Average Recorded Investment | 160 | 99 |
Interest Income Recognized | 16 | 0 |
Impaired Loans With Related Allowance [Member] | Construction and land develolpment [Member] |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Recorded Investment | 0 |  | 0
Unpaid Principal Balance | 0 |  | 0
Related Allowance | 0 |  | 0
Average Recorded Investment | 0 | 0 |
Interest Income Recognized | 0 | 0 |
Impaired Loans With Related Allowance [Member] | Commercial business [Member] |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Recorded Investment | 8 |  | 540
Unpaid Principal Balance | 8 |  | 540
Related Allowance | 8 |  | $ 539
Average Recorded Investment | 186 | 454 |
Interest Income Recognized | $ 8 | $ 4 |

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