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Stock-based Compensation (Details) - USD ($) |  |  | 3 Months Ended | 6 Months Ended
--- | --- | --- | --- | ---
May 18, 2021 | Jan. 31, 2019 | Jun. 30, 2022 | Jun. 30, 2021 | Jun. 30, 2022 | Jun. 30, 2021
Stock-based compensation expense (benefit) |  |  | $ 900,000 | $ 1,100,000 | $ 4,900,000 | $ 5,200,000
Income tax benefits related to the stock-based compensation plans |  |  | $ 300,000 | $ 300,000 | $ 1,300,000 | $ 1,400,000
Omnibus Plan 2014 [Member] |  |  |  |  |  |
Number of additional shares authorized | 1,100,000 |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant |  |  | 966,785 |  | 966,785 |
The 2019 Long-term Incentive Compensation Program [Member] |  |  |  |  |  |
Awards vesting period |  | 3 years |  |  |  |
Restricted Stock Units (RSUs) [Member] |  |  |  |  |  |
Awards granted |  |  | 0 | 0 | 212,811 | 238,985
Restricted Stock Units (RSUs) [Member] | Omnibus Plan 2014 [Member] |  |  |  |  |  |
Total unrecognized compensation cost |  |  | $ 6,200,000 |  | $ 6,200,000 |
Weighted-average period of recognition of compensation cost |  |  |  |  | 2 years 7 months 6 days |
Total fair value of awards vested |  |  | $ 500,000 | $ 200,000 | $ 7,100,000 | $ 5,000,000.0
Performance-based Restricted Stock Units [Member] |  |  |  |  |  |
Awards granted |  |  | 0 | 0 | 63,250 | 62,790
Phantom Share Units (PSUs) [Member] | Phantom Stock Plan [Member] |  |  |  |  |  |
Stock-based compensation expense (benefit) |  |  | $ (100,000) | $ 100,000 | $ (400,000) | $ 600,000
Total fair value of awards vested |  |  | $ 2,000 | $ 2,000 | $ 18,000 | $ 25,000
Share-based Compensation Arrangement by Share-based Payment Award, Award Requisite Service Period |  |  |  |  | 1 year |

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