Income Taxes - Earnings Before Income Taxes and Income Tax Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Earnings before income taxes:
United States	$ 881,162	$ 1,075,305	$ 714,732
Foreign	169,313	183,323	102,938
Pre-tax Income	1,050,475	1,258,628	817,670
Income tax expense:
Partnership UBT	6,125	12,458	7,838
Corporate subsidiaries:
Federal	1,717	899	2,855
State and local	951	1,345	914
Foreign	50,755	51,764	35,906
Current tax expense	59,548	66,466	47,513
Deferred tax	2,052	(1,323)	(18,462)
Income tax	$ 61,600	$ 65,143	$ 29,051