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Income Taxes - Effective Income Tax Rate Reconciliation (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Income Tax Disclosure [Abstract] |  |  |
Statutory federal rate | 21.00% | 21.00% | 21.00%
Computed federal income tax expense (benefit) at applicable statutory rate of 21% | $ 17,352 | $ 11,323 | $ (2,778)
State income tax benefit | 35 | (283) | (1,448)
Tax credits | (1,978) | (2,507) | (2,391)
Tax effect of international items | (10,698) | (281) | 4,705
Uncertain tax positions | (47) | 401 | (455)
Deferred compensation insurance assets | 706 | (413) | (290)
Stock-based compensation | (3,423) | (5,571) | (1,822)
Valuation allowance | 3,523 |  | 1,257
DOJ Settlement |  |  | 1,890
Remeasurement of state deferred taxes | (375) | (526) | (1,765)
Non-deductible expenses | 2,027 | 2,455 | 1,077
Remeasurement of contingent consideration liabilities | 1,061 | 733 | (1,185)
Other - including the effect of graduated rates | (70) | 132 | (183)
Total income tax expense (benefit) | $ 8,113 | $ 5,463 | $ (3,388)

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