Income Taxes - Additional Information (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Income Taxes [Line Items]
Foreign pre-tax earnings	$ 80,000	$ 80,000	$ 76,000
Qualified dividend received deduction	79,000
Tax expense (benefit) from employee share-based payments	13,000	$ 5,000	$ 1,000
Decrease in provision for income taxes	$ 16,000
Effective tax rates	22.40%	23.50%	24.20%
Deferred federal state and foreign tax benefit	$ 3,000	$ 37,000
Future taxable income, amount	1,100,000
Deferred state tax benefit (net of the federal benefit)	(3,643)	(1,609)	$ (6,107)
Deferred foreign tax benefit	25,000
Operating loss carry forward federal and state	6,000
Deferred federal tax benefits	28,499	19,716	$ 9,935
Valuation allowances	82,690	72,667
Increase in estimated liabilities for uncertain tax positions	1,000	1,000
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	$ 78,000	68,000
Net Operating Loss
Income Taxes [Line Items]
Increase in valuation allowance	10,000
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)	76,000
Interest expense carryforwards	129,000
Interest expense, deferred tax benefit	9,000
Foreign Tax Authority
Income Taxes [Line Items]
Net operating losses and interest expense	101,000
Riverside Medical Clinic Patient Services, LLC
Income Taxes [Line Items]
Deferred federal tax benefits	$ (1,000)