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Stock-Based Compensation (Narrative) (Details) $ in Thousands | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2020 USD ($) ShareBasedCompensationPlan shares | Dec. 31, 2019 USD ($) shares | May 29, 2019 shares | May 16, 2013 shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Number of stock-based compensation plans | ShareBasedCompensationPlan | 2 |  |  |
Compensation cost | $ | $ 711 | $ 527 |  |
Total income tax (expense) benefit | $ | $ 149 | $ 111 |  |
Options exercised | 4,545 | 0 |  |
Shares granted | 0 | 0 |  |
2009 Equity Compensation Plan [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Shares available to be issued |  |  |  | 272,727
Shares remaining available | 251,014 |  |  |
Maximum [Member] | 2019 Equity Incentive Plan [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Number of shares authorized |  |  | 300,000 |
Stock Options [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Vesting periods exercisable from date of grant | 10 years |  |  |
Shares cancelled, forfeited or expired | 451 | 941 |  |
Stock Options [Member] | 2009 Equity Compensation Plan [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Number of shares authorized | 36,363 |  |  |
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 available to be issued | 19,660 | 73,738 |  |
Shares vested | 55,877 | 36,288 |  |
Shares cancelled, forfeited or expired | 6,897 | 3,858 |  |
Unrecognized compensation cost | $ | $ 623 | $ 1,221 |  |

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