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Income Taxes - Reconciliation of Provision for Income Taxes at US Federal Statutory Rate to Provision in Statements of Operations (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Income Tax Disclosure [Abstract]
Provision at U.S. federal statutory rate	$ 97,735	$ 105,910	$ 98,861
Changes in valuation allowances	2,343	0	(540,803)
Foreign earnings taxed at different rates, including foreign losses without benefit	(12,844)	16,877	35,468
Tax related to pass-through income	3,869	5,340	2,487
Non deductible executive compensation	7,248	5,141	7,115
State and local taxes, net of U.S. federal benefit (expense)	8,480	5,027	(983)
Adjustments to previously accrued taxes	9,943	(9,471)	(19,101)
Tax on undistributed earnings of foreign subsidiaries	(1,000)	10,600	7,000
Research and development tax credit	(7,248)	(5,487)	(5,350)
Discrete tax impact due to intra-group IP transfer	161,388	0	0
Other	(439)	1,914	(5,075)
Provision (benefit) for income taxes	$ 269,475	$ 135,851	$ (420,381)

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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