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Stock-Based Compensation (Narrative) (Details) $ in Thousands | 3 Months Ended | 6 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | ---
Jun. 30, 2022 USD ($) shares | Jun. 30, 2021 USD ($) shares | Jun. 30, 2022 USD ($) ShareBasedCompensationPlan shares | Jun. 30, 2021 USD ($) shares | May 29, 2019 shares | Mar. 19, 2019 shares | May 16, 2013 shares | May 21, 2009 shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Number of stock-based compensation plans | ShareBasedCompensationPlan |  |  | 2 |  |  |  |  |
Compensation cost | $ | $ 222 | $ 195 | $ 402 | $ 356 |  |  |  |
Total income tax (expense) benefit | $ | $ 47 | $ 41 | $ 84 | $ 75 |  |  |  |
Shares available to be issued |  |  |  |  |  |  | 272,727 |
2009 Equity Compensation Plan [Member] |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Shares remaining available |  |  |  |  |  | 0 |  |
2019 Equity Incentive Plan [Member] |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Number of shares authorized |  |  |  |  | 300,000 |  |  |
Shares remaining available | 119,273 |  | 119,273 |  |  |  |  |
Stock Options [Member] |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Expiration period |  |  | 10 years |  |  |  |  |
Shares cancelled, forfeited or expired |  |  | 0 | 1,454 |  |  |  |
Options exercised |  |  | 18,180 | 14,544 |  |  |  |
Shares granted | 0 | 0 |  |  |  |  |  |
Stock Options [Member] | Minimum [Member] |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Vesting periods |  |  | 1 year |  |  |  |  |
Stock Options [Member] | Maximum [Member] |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Vesting periods |  |  | 3 years |  |  |  |  |
Restricted Stock [Member] |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Shares vested |  |  | 25,312 | 5,884 |  |  |  |
Shares granted |  |  | 65,648 |  |  |  |  |
Unrecognized compensation cost | $ | $ 1,979 | $ 1,470 | $ 1,979 | $ 1,470 |  |  |  |
Shares, Forfeited |  |  | 2,266 | 949 |  |  |  |
Restricted Stock [Member] | 2009 Equity Compensation Plan [Member] |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Number of shares authorized |  |  |  |  |  |  |  | 36,363
Restricted Stock [Member] | 2019 Equity Incentive Plan [Member] |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Shares granted |  |  |  | 68,460 |  |  |  |
Restricted Stock [Member] | Minimum [Member] |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Vesting periods |  |  | 1 year |  |  |  |  |
Restricted Stock [Member] | Maximum [Member] |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Vesting periods |  |  | 3 years |  |  |  |  |

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