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Income Taxes - Effective Income Tax Rate Reconciliation (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
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% | $ 23,539 | $ 17,352 | $ 11,323
State income tax expense (benefit) | 1,627 | 35 | (283)
Tax credits | (2,412) | (1,978) | (2,507)
Tax effect of international items | (3,994) | (10,698) | (281)
Uncertain tax positions | 4 | (47) | 401
Deferred compensation insurance assets | (548) | 706 | (413)
Stock-based compensation | (3,001) | (3,423) | (5,571)
Valuation allowance | (90) | 3,523 |
Remeasurement of state deferred taxes | (73) | (375) | (526)
Non-deductible expenses | 2,101 | 2,027 | 2,455
Remeasurement of contingent consideration liabilities | 317 | 1,061 | 733
Other - including the effect of graduated rates | 208 | (70) | 132
Total income tax expense | $ 17,678 | $ 8,113 | $ 5,463

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- Definition Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to remeasurement of contingent consideration liabilities. + References No definition available. + Details
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- Definition Percentage of domestic federal statutory tax rate applicable to pretax income (loss). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(h)(2)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480678/235-10-S99-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 12 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482685/740-10-50-12 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 6.I.Fact.4) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479360/740-10-S99-1 + Details
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