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Stock-Based Compensation - Textuals (Details) - USD ($) $ in Thousands |  | 12 Months Ended
--- | --- | ---
Jul. 24, 2014 | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Shares remain available for future issuances under stock-based compensation plans |  | 522,228 |  |
Proceeds from exercise of stock options |  | $ 0 | $ 122 | $ 58
Fair value of units that vested |  |  | 442 | 1,300
Minimum |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Actual payout percentage |  | 0.00% |  |
Maximum |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Actual payout percentage |  | 150.00% |  |
the Plan |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Number of shares authorized for issuance | 1,500,000 |  |  |
Share-based Payment Arrangement, Option |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Intrinsic value from options exercised |  |  | 61 | 60
Proceeds from exercise of stock options |  |  | 122 | 58
Share-based Payment Arrangement, Option | Option One |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Vesting period |  | 3 years |  |
Expiration period of award |  | 5 years |  |
Share-based Payment Arrangement, Option | Option 2 |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Vesting period |  | 4 years |  |
Expiration period of award |  | 10 years |  |
Restricted Stock Awards |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Compensation expense |  |  | 76 | 440
Related tax benefit |  |  | 17 | 93
PRSU |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Vesting period |  | 4 years |  |
RSU |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Vesting period |  | 3 years |  |
Compensation expense |  | $ 3,700 | 3,500 | 2,800
Related tax benefit |  | 802 | 757 | 589
Fair value of units that vested |  | 3,600 | $ 2,400 | $ 2,000
Total unrecognized compensation expense |  | $ 5,000 |  |
Weighted average, recognition period |  | 2 years |  |

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