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Income Taxes (Details) - USD ($) $ in Thousands | 3 Months Ended |
--- | --- | ---
Mar. 31, 2022 | Mar. 31, 2021 | Dec. 31, 2021
Valuation allowance |  |  |
Income tax expense | $ 4,269 | $ 1,721 |
Increase in income tax expense | 2,600 |  |
Increase in pretax income | 27,700 |  |
Uncertain tax position | 700 |  |
Deferred tax assets, net | 36,226 |  | $ 35,454
Deferred tax assets valuation allowance | $ 8,600 |  |
Maximum |  |  |
Valuation allowance |  |  |
Statutory income tax rate (as a percent) | 21.00% | 21.00% |

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