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Income Taxes (Tables) | 3 Months Ended
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Mar. 31, 2021
Income Tax Disclosure [Abstract] |
Summary of Provision for Income Taxes and Corresponding Effective Tax Rate | A summary of the provision for income taxes and the corresponding effective tax rate for the three months ended March 31, 2021 and 2020, is shown below:
|  | Three Months Ended March 31, |
|  | 2021 |  |  | 2020 |
Income tax expense |  | $ | 7,565 |  |  | $ | 5,406 |
Earnings before income tax |  | $ | 40,474 |  |  | $ | 17,279 |
Effective tax rate |  |  | 18.7 | % |  |  | 31.3 | %

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