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Income Taxes - Additional Information (Detail) - USD ($) $ in Thousands |  | 12 Months Ended
--- | --- | ---
Aug. 16, 2022 | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Income Taxes [Line Items] |  |  |  |
Foreign pre-tax earnings |  | $ 80,000 | $ 76,000 | $ 79,000
Qualified dividend received deduction |  | 100,000 |  |
Tax expense (benefit) from employee share-based payments |  | $ 5,000 | $ 1,000 | $ 2,000
Inflation reduction act of 2022, Percentage of minimum tax on book income | 15.00% |  |  |
Inflation reduction act of 2022 percentage of excise tax on net stock repurchases | 1.00% |  |  |
Effective tax rates |  | 23.50% | 24.20% | 23.60%
Deferred federal state and foreign tax benefit |  | $ 37,000 | $ 17,000 |
Future taxable income, amount |  | 1,000,000 |  |
Deferred state tax benefit (net of the federal benefit) |  | (1,609) | (6,107) | $ (4,420)
Deferred foreign tax benefit |  | 19,000 |  |
Operating loss carry forward federal and state |  | 8 |  |
Deferred federal tax benefits |  | 19,716 | 9,935 | $ 26,638
Valuation allowances |  | 72,667 | 63,325 |
Increase in estimated liabilities for uncertain tax positions |  | 1 | 1 |
Impact of unrecognized tax benefits if recognized |  | $ 2,000 | 2,000 |
Period of expiration of the statute of limitations for certain jurisdictions |  | within the next twelve months |  |
Jurisdictions statutes of limitations expiration period |  | 12 months |  |
Maximum |  |  |  |
Income Taxes [Line Items] |  |  |  |
Accrued interest and penalties |  | $ 1,000 | 1,000 |
Foreign and U.S. state and local jurisdictions have statutes of limitations, in years |  | 4 years |  |
Minimum |  |  |  |
Income Taxes [Line Items] |  |  |  |
Foreign and U.S. state and local jurisdictions have statutes of limitations, in years |  | 3 years |  |
Allowance in relation to state tax benefit |  |  |  |
Income Taxes [Line Items] |  |  |  |
Valuation allowances |  | $ 68,000 | 59,000 |
Net Operating Loss |  |  |  |
Income Taxes [Line Items] |  |  |  |
Increase in valuation allowance |  | 9,000 |  |
Foreign Net Operating Losses and Credit Carryforwards |  |  |  |
Income Taxes [Line Items] |  |  |  |
Increase in valuation allowance |  | 4,000 | $ 4,000 |
State and Local Jurisdiction |  |  |  |
Income Taxes [Line Items] |  |  |  |
Deferred state tax benefit (net of the federal benefit) |  | 72,000 |  |
Interest expense carryforwards |  | 58,000 |  |
Interest expense, deferred tax benefit |  | 3,000 |  |
Foreign Tax Authority |  |  |  |
Income Taxes [Line Items] |  |  |  |
Net operating losses and interest expense |  | 77,000 |  |
Riverside Medical Clinic Patient Services, LLC |  |  |  |
Income Taxes [Line Items] |  |  |  |
Deferred federal tax benefits |  | $ (2) |  |

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