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Loans Receivable (Details 3) - USD ($) $ in Thousands | 6 Months Ended |
--- | --- | ---
Jun. 30, 2017 | Jun. 30, 2016 | Dec. 31, 2016
Residential Real Estate Including Home Equity [Member] |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Recorded Investment | $ 1,375 |  | $ 2,375
Unpaid Principal Balance | 4,212 |  | 4,359
Related Allowance | 15 |  | 879
Average Recorded Investment | 1,713 | $ 3,053 |
Interest Income Recognized | 22 | 64 |
Commercial Real Estate, Construction & Land Development, and Other Dwellings [Member] |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Recorded Investment | 615 |  | 374
Unpaid Principal Balance | 615 |  | 374
Related Allowance | 127 |  | 3
Average Recorded Investment | 534 | 1,873 |
Interest Income Recognized | 0 | 0 |
Commercial Participations Purchased [Member] |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Recorded Investment | 78 |  | 82
Unpaid Principal Balance | 78 |  | 82
Related Allowance | 0 |  | 0
Average Recorded Investment | 80 | 90 |
Interest Income Recognized | 3 | 3 |
Commercial business [Member] |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Recorded Investment | 908 |  | 687
Unpaid Principal Balance | 908 |  | 687
Related Allowance | 649 |  | 354
Average Recorded Investment | 660 | 374 |
Interest Income Recognized | 6 | 2 |
Impaired Loans With No Related Allowance [Member] | Residential Real Estate Including Home Equity [Member] |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Recorded Investment | 1,300 |  | 1,309
Unpaid Principal Balance | 4,137 |  | 3,293
Related Allowance | 0 |  | 0
Average Recorded Investment | 1,333 | 2,882 |
Interest Income Recognized | 22 | 64 |
Impaired Loans With No Related Allowance [Member] | Commercial Real Estate, Construction & Land Development, and Other Dwellings [Member] |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Recorded Investment | 475 |  | 356
Unpaid Principal Balance | 475 |  | 356
Related Allowance | 0 |  | 0
Average Recorded Investment | 435 | 1,855 |
Interest Income Recognized | 0 | 0 |
Impaired Loans With No Related Allowance [Member] | Commercial Participations Purchased [Member] |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Recorded Investment | 78 |  | 82
Unpaid Principal Balance | 78 |  | 82
Related Allowance | 0 |  | 0
Average Recorded Investment | 80 | 0 |
Interest Income Recognized | 3 | 0 |
Impaired Loans With No Related Allowance [Member] | Commercial business [Member] |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Recorded Investment | 200 |  | 212
Unpaid Principal Balance | 200 |  | 212
Related Allowance | 0 |  | 0
Average Recorded Investment | 206 | 271 |
Interest Income Recognized | 2 | 2 |
Impaired Loans With Related Allowance [Member] | Residential Real Estate Including Home Equity [Member] |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Recorded Investment | 75 |  | 1,066
Unpaid Principal Balance | 75 |  | 1,066
Related Allowance | 15 |  | 879
Average Recorded Investment | 380 | 171 |
Interest Income Recognized | 0 | 0 |
Impaired Loans With Related Allowance [Member] | Commercial Real Estate, Construction & Land Development, and Other Dwellings [Member] |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Recorded Investment | 140 |  | 18
Unpaid Principal Balance | 140 |  | 18
Related Allowance | 127 |  | 3
Average Recorded Investment | 99 | 18 |
Interest Income Recognized | 0 | 0 |
Impaired Loans With Related Allowance [Member] | Commercial Participations Purchased [Member] |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Recorded Investment | 0 |  | 0
Unpaid Principal Balance | 0 |  | 0
Related Allowance | 0 |  | 0
Average Recorded Investment | 0 | 90 |
Interest Income Recognized | 0 | 3 |
Impaired Loans With Related Allowance [Member] | Commercial business [Member] |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Recorded Investment | 708 |  | 475
Unpaid Principal Balance | 708 |  | 475
Related Allowance | 649 |  | $ 354
Average Recorded Investment | 454 | 103 |
Interest Income Recognized | $ 4 | $ 0 |

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