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Stock-Based Compensation (Narrative) (Details) $ in Thousands |  | 12 Months Ended |  |
--- | --- | --- | --- | ---
Aug. 20, 2018 | Dec. 31, 2019 USD ($) ShareBasedCompensationPlan shares | Dec. 31, 2018 USD ($) 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 | $ |  | $ 527 | $ 376 |  |
Total income tax (expense) benefit | $ |  | $ 111 | $ 79 |  |
Reverse stock split ratio | 5.5 |  |  |  |
Shares granted |  | 0 | 0 |  |
Shares vested |  | 36,288 |  |  |
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 |  | 264,456 |  |  |
Maximum [Member] | 2019 Equity Incentive Plan |  |  |  |  |
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 |  | 941 | 1,667 |  |
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 |  | 73,738 | 31,827 |  |
Unrecognized compensation cost | $ |  | $ 1,221 | $ 812 |  |
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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