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)