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Loans Receivable (Details 3) - USD ($) $ in Thousands | 9 Months Ended |
--- | --- | ---
Sep. 30, 2017 | Sep. 30, 2016 | Dec. 31, 2016
Residential real estate [Member] |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Recorded Investment | $ 1,268 |  | $ 2,375
Unpaid Principal Balance | 3,884 |  | 4,359
Related Allowance | 27 |  | 879
Average Recorded Investment | 1,602 | $ 3,068 |
Interest Income Recognized | 49 | 117 |
Home equity [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 |
Commercial Real Estate [Member] |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Recorded Investment | 557 |  | 322
Unpaid Principal Balance | 557 |  | 322
Related Allowance | 136 |  | 3
Average Recorded Investment | 500 | 1,453 |
Interest Income Recognized | 4 | 5 |
Construction and land develolpment [Member] |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Recorded Investment | 134 |  | 134
Unpaid Principal Balance | 134 |  | 134
Related Allowance | 0 |  | 0
Average Recorded Investment | 134 | 134 |
Interest Income Recognized | 0 | 0 |
Multifamily [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 |
Commercial business [Member] |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Recorded Investment | 749 |  | 687
Unpaid Principal Balance | 749 |  | 687
Related Allowance | 562 |  | 354
Average Recorded Investment | 682 | 444 |
Interest Income Recognized | 7 | 4 |
Impaired Loans With No Related Allowance [Member] | Residential real estate [Member] |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Recorded Investment | 1,208 |  | 1,309
Unpaid Principal Balance | 3,824 |  | 3,293
Related Allowance | 0 |  | 0
Average Recorded Investment | 1,302 | 2,900 |
Interest Income Recognized | 48 | 113 |
Impaired Loans With No Related Allowance [Member] | Home equity [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 No Related Allowance [Member] | Commercial Real Estate [Member] |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Recorded Investment | 298 |  | 304
Unpaid Principal Balance | 298 |  | 304
Related Allowance | 0 |  | 0
Average Recorded Investment | 361 | 1,346 |
Interest Income Recognized | 4 | 0 |
Impaired Loans With No Related Allowance [Member] | Construction and land develolpment [Member] |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Recorded Investment | 134 |  | 134
Unpaid Principal Balance | 134 |  | 134
Related Allowance | 0 |  | 0
Average Recorded Investment | 134 | 134 |
Interest Income Recognized | 0 | 0 |
Impaired Loans With No Related Allowance [Member] | Multifamily [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 No Related Allowance [Member] | Commercial business [Member] |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Recorded Investment | 187 |  | 212
Unpaid Principal Balance | 187 |  | 212
Related Allowance | 0 |  | 0
Average Recorded Investment | 201 | 260 |
Interest Income Recognized | 3 | 3 |
Impaired Loans With Related Allowance [Member] | Residential real estate [Member] |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Recorded Investment | 60 |  | 1,066
Unpaid Principal Balance | 60 |  | 1,066
Related Allowance | 27 |  | 879
Average Recorded Investment | 300 | 168 |
Interest Income Recognized | 1 | 4 |
Impaired Loans With Related Allowance [Member] | Home equity [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 Real Estate [Member] |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Recorded Investment | 259 |  | 18
Unpaid Principal Balance | 259 |  | 18
Related Allowance | 136 |  | 3
Average Recorded Investment | 139 | 107 |
Interest Income Recognized | 0 | 5 |
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] | Multifamily [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 | 562 |  | 475
Unpaid Principal Balance | 562 |  | 475
Related Allowance | 562 |  | $ 354
Average Recorded Investment | 481 | 184 |
Interest Income Recognized | $ 4 | $ 1 |

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