Income Taxes - Reconciliation of the U.S. Federal Tax Rate (Detail)	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Income Tax Disclosure [Abstract]
Statutory rate	21.00%	21.00%
State tax provisions, net of federal income tax benefit	0.40%	1.10%
Tax credits	13.40%	6.30%
Foreign income taxes at rates other than the statutory rate	3.70%	16.40%
Valuation allowance	(52.20%)	5.90%
Changes in tax liabilities, net	10.30%	(0.20%)
Share based compensation	(3.70%)	(1.40%)
Unremitted non-U.S. Earnings	0.10%	2.40%
U.S. tax on non-U.S. income	(39.60%)	(6.70%)
Loss on deconsolidation of subsidiary	0.00%	(20.10%)
Non-deductible charges	(4.20%)	(1.60%)
Other	2.40%	(2.60%)
Effective income tax rate	(48.40%)	20.50%