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Income Taxes - Reconciliation of Federal Statutory Rate to Effective Income Tax Rate (Detail) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Income Tax Rate Reconciliation [Line Items] |  |  |
Income before income taxes | $ 64,132 | $ 219,140 | $ 153,543
Expected tax at statutory rate | 13,469 | 46,020 | 32,247
Adjustments due to: |  |  |
Difference between U.S. and foreign tax | 1,084 | 1,024 | 530
State income tax | 1,387 | 3,509 | 1,462
Business tax credits | (4,522) | (5,139) | (2,239)
Stock-based compensation expense | (2,461) | (5,638) | (9,049)
U.S. taxation of foreign earnings | 343 | 83 | 30
Foreign-derived intangible income | (88) | (5,042) | (2,547)
Executive compensation | 3,084 | 5,441 | 3,397
Contingent consideration | (6,412) | (6,033) | 1,232
Loss on extinguishment of debt | 2,634 | 0 | 0
Debt discount | 16,650 | 0 | 0
Foreign exchange loss | (2,288) | 0 | 0
Uncertain tax provisions | 165 | 234 | (443)
Change in valuation allowance | 0 | (688) | (48)
Return to provision adjustments | (1,255) | (498) | (50)
Other | 765 | (92) | 730
Total | $ 22,555 | $ 33,181 | $ 25,252
Expected tax at statutory rate | 21.00% | 21.00% | 21.00%
Adjustments due to: |  |  |
Difference between U.S. and foreign tax | 1.70% | 0.50% | 0.30%
State income and franchise tax | 2.20% | 1.60% | 1.00%
Business tax credits | (7.10%) | (2.30%) | (1.50%)
Stock-based compensation expense | (3.80%) | (2.60%) | (5.90%)
U.S. taxation of foreign earnings | 0.50% | 0.00% | 0.00%
Foreign-derived intangible income | (0.10%) | (2.30%) | (1.70%)
Executive compensation | 4.80% | 2.50% | 2.20%
Contingent consideration | (10.00%) | (2.80%) | 0.80%
Loss on extinguishment of debt | 4.10% | 0.00% | 0.00%
Debt discount | 26.00% | 0.00% | 0.00%
Foreign exchange loss | (3.60%) | 0.00% | 0.00%
Uncertain tax provisions | 0.30% | 0.10% | (0.30%)
Change in valuation allowance | 0.00% | (0.30%) | 0.00%
Return to provision adjustments | (2.00%) | (0.20%) | 0.00%
Other | 1.20% | 0.00% | 0.50%
Income tax provision | 35.20% | 15.10% | 16.40%

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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 tax exempt income, equity in earnings (loss) of an unconsolidated subsidiary, minority noncontrolling interest income (loss), tax holiday, disposition of a business, disposition of an asset, repatriation of foreign earnings, repatriation of foreign earnings jobs creation act of 2004, increase (decrease) in enacted tax rate, prior year income taxes, increase (decrease) in deferred tax asset valuation allowance, and other adjustments. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -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 + Details
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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 repatriation of foreign earnings. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -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 + Details
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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 state and local income tax expense (benefit). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -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 + Details
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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 increase (decrease) in income tax contingencies. Including, but not limited to, domestic tax contingency, foreign tax contingency, state and local tax contingency, and other contingencies. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -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 + Details
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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 tax credits. Including, but not limited to, research credit, foreign tax credit, investment tax credit, and other tax credits. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -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 + Details
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