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Investments (Narrative) (Details) $ / shares in Units, $ in Thousands | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2018 USD ($) item security $ / shares | Sep. 30, 2018 USD ($) | Dec. 31, 2017 USD ($) security
Schedule of Available-for-sale Securities [Line Items] |  |  |
Average life of the equity portfolio | 3 years 10 months 24 days |  |
Percent of shareholders equity benchmark for investments in a single issuer | 10.00% |  |
Number of temporarily impaired securities | security | 171 |  | 127
Unrealized Losses | $ 1,537 |  | $ 1,046
Number of investments in a single issuer exceeding benchmark | item | 0 |  |
Number of investments | item | 1 |  |
Securities pledged as collateral | $ 84,600 |  | 84,100
Restricted stock | 452 | $ 452 | 456
Equity securities | 374 |  | $ 365
Federal Home Loan Bank of Pittsburgh [Member] |  |  |
Schedule of Available-for-sale Securities [Line Items] |  |  |
Restricted stock | $ 30 |  |
Restricted Stock Cost | $ / shares | $ 100 |  |
Federal Home Loan Bank of Pittsburgh [Member] | Non Required FHLB Stock [Member] |  |  |
Schedule of Available-for-sale Securities [Line Items] |  |  |
Restricted stock | $ 422 |  |

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