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Stock-Based Compensation (Tables) | 9 Months Ended
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Sep. 30, 2020
Share-based Payment Arrangement [Abstract] |
Summary of Compensation Expense and Related Tax Benefits | The following table presents compensation expense and the related tax benefits for equity awards recognized in the consolidated statements of income:
| Three months ended September 30 |  | Nine months ended September 30
| 2020 |  | 2019 |  | 2020 |  | 2019
| (in thousands)
Compensation expense | $ | 1,875 |  |  | $ | 2,110 |  |  | $ | 5,403 |  |  | $ | 5,458 |
Tax benefit | (397) |  |  | (451) |  |  | (1,144) |  |  | (1,194) |
Stock-based compensation expense, net of tax benefit | $ | 1,478 |  |  | $ | 1,659 |  |  | $ | 4,259 |  |  | $ | 4,264 |

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