| **Share-Based Compensation - Components of Awards (Details) - USD ($) $ in Thousands** | 12 Months Ended |
|----------------------------------------------------------------------------------------|-----------------|
||
| **Share-based Compensation Arrangement by Share-based Payment Award [Line Items]**     |            |   |   |
| Pre-tax compensation expense                                                           | $ 3,592         | $ 2,827 | $ 2,600 |
| Income tax expense (benefit)                                                           | (1,276)         | (1,883) | (865) |
| Total share-based compensation expense, net of income taxes                            | 2,316           | 944 | 1,735 |
| Stock and ESPP Options                                                                 |            |   |   |
| **Share-based Compensation Arrangement by Share-based Payment Award [Line Items]**     |            |   |   |
| Pre-tax compensation expense                                                           | 109             | 121 | 76 |
| Income tax expense (benefit)                                                           | (97)            | (322) | 18 |
| Total share-based compensation expense, net of income taxes                            | 12              | (201) | 94 |
| Restricted Stock Awards                                                                |            |   |   |
| **Share-based Compensation Arrangement by Share-based Payment Award [Line Items]**     |            |   |   |
| Pre-tax compensation expense                                                           | 3,483           | 2,706 | 2,524 |
| Income tax expense (benefit)                                                           | (1,179)         | (1,561) | (883) |
| Total share-based compensation expense, net of income taxes                            | $ 2,304         | $ 1,145 | $ 1,641 |

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| - Definition
Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.
+ References
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| - Definition
The amount of expense, net of income tax, recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.
+ References
No definition available.
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|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
The total recognized tax benefit related to compensation cost for equity-based payment arrangements recognized in income during the period.
+ References
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| - Definition
Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.
+ References
No definition available.
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