Income Taxes - Summary of Actual Income Tax Expense and Amount Calculated Utilizing U.S. Federal Statutory Rates (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Effective Income Tax Rate Reconciliation, Percent [Abstract]
Tax expense at federal statutory rate	$ 12,207	$ 20,584	$ 37,065
Non-controlling interest	1,982	2,366	2,440
Incremental impact of foreign taxes compared to federal tax rate	3,838	8,122	5,009
Other permanent differences	7,536	2,287	11,797
U.S. state and local taxes, net of U.S. federal benefit	(4,778)	(876)	2,737
New York City UBT	0	(1,071)	2,929
Other rate changes	(862)	153	(7,007)
Impact of Corporate Conversion	(12,446)	0	0
Nontaxable gain on insurance disposition	0	0	(65,231)
Uncertain tax positions	(797)	3,496	(6,936)
U.S. tax on foreign earnings, net of tax credits	12,388	4,808	31,299
Prior year adjustments	4,078	4,189	(714)
Valuation allowance	(4,190)	(4,670)	11,532
Other	(23)	(804)	(1,907)
Provision for income taxes	$ 18,934	$ 38,584	$ 23,013