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Income Taxes (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2021 | Jun. 30, 2020 | Jun. 30, 2021 | Jun. 30, 2020
Effective tax rate (in hundredths) | 18.20% | 20.40% | 18.80% | 18.70%
Minimum [Member] |  |  |  |
Significant change in unrecognized tax benefits is reasonably possible, estimated range of change, lower bound | $ 0 |  | $ 0 |
Maximum [Member] |  |  |  |
Significant change in unrecognized tax benefits is reasonably possible, estimated range of change, lower bound | $ 3,700 |  | $ 3,700 |

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