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Income Taxes (Tables) | 6 Months Ended
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Jun. 30, 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 and six months ended June 30, 2021 and 2020, is shown below:
|  | Three Months Ended June 30, |  |  | Six Months Ended June 30, |
|  | 2021 |  |  | 2020 |  |  | 2021 |  |  | 2020 |
Income tax expense |  | $ | 5,748 |  |  | $ | 205 |  |  | $ | 13,313 |  |  | $ | 5,611 |
Earnings (loss) before income tax |  | $ | 30,539 |  |  | $ | (10,117 | ) |  | $ | 71,013 |  |  | $ | 7,162 |
Effective tax rate |  |  | 18.8 | % |  |  | (2.0 | )% |  |  | 18.7 | % |  |  | 78.3 | %

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