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Investments (Narrative) (Details) $ / shares in Units, $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2020 USD ($) item security | Dec. 31, 2019 USD ($) security $ / shares
Schedule of Available-for-sale Securities [Line Items] |  |
Percent of shareholders equity benchmark for investments in a single issuer | 10.00% |
Fair Value | $ 396,940 | $ 187,433
Number of temporarily impaired securities | security | 102 | 144
Unrealized Losses | $ 701 | $ 1,686
Number of investments in a single issuer exceeding benchmark | item | 0 |
Number of investments | item | 1 |
Securities pledged as collateral | $ 137,400 | 107,100
Restricted stock | 468 | $ 465
Restricted Stock Cost | $ / shares |  | $ 100
Equity securities | $ 391 | $ 440
Federal Home Loan Bank of Pittsburgh [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Restricted stock |  | $ 468

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