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Income Taxes (Tables)

12 Months Ended

Dec. 31, 2025

Income Tax Disclosure [Abstract]

Schedule of Income Before Taxes

Income before taxes consisted of the following:

		Years Ended December 31,
(In thousands)		2025				2024				2023
Domestic		$	277,511			$	190,382			$	154,434
Foreign			4,445				9,661				32,726
		$	281,956			$	200,043			$	187,160

Components of Provision for (Benefit from) Income Taxes

The provision for (benefit from) income taxes was comprised of:

		Years Ended December 31,
(In thousands)		2025				2024				2023
Federal:
Current		$	(153	)		$	2,760			$	1,075
Deferred			30,407				(9,447	)			(126,734	)
State:
Current			(154	)			468				893
Deferred			217				1,245				(17,264	)
Foreign:
Current			22,218				26,869				(3,362	)
Deferred			(1,034	)			(1,673	)			(1,352	)
		$	51,501			$	20,222			$	(146,744	)

Schedule of Effective Income Tax Rate Reconciliation

The effective income tax rate for the year ended December 31, 2025 differs from the statutory federal income tax rate as follows:

		Year Ended December 31, 2025
(In thousands, except percentages)		$				%
Provision for income taxes at U.S. federal statutory rate		$	59,211				21.0	%
State and local income tax expense			306				0.1
Foreign tax effects:
South Korea
Withholding tax			19,245				6.8
Other			46				—
Other foreign jurisdictions			2,379				0.9
Effect of cross-border tax laws:
Foreign-derived intangible income deduction			(3,980	)			(1.4	)
Other			590				0.2
Tax credits:
Research and development credit			(6,360	)			(2.3	)
Foreign tax credit			(21,974	)			(7.8	)
Valuation allowances			344				0.1
Non-taxable or non-deductible items:
Stock-based compensation			(7,424	)			(2.6	)
Section 162(m) limitation			6,921				2.5
Other			2,164				0.8
Changes in unrecognized tax benefits			361				0.1
Other adjustments			(328	)			(0.1	)
Total tax provision and effective tax rate		$	51,501				18.3	%

As previously disclosed for the years ended December 31, 2024 and 2023, prior to the adoption of ASU 2023-09, the effective income tax rate differs from the statutory federal income tax rate as follows:

		Years Ended December 31,
		2024				2023
U.S. federal statutory rate			21.0	%			21.0	%
State income tax expense (benefit)			0.9				(8.7	)
Withholding tax			8.4				3.9
Foreign rate differential			(1.4	)			(2.6	)
Research and development credit			(1.9	)			(2.9	)
Executive compensation			4.0				3.9
Stock-based compensation			(6.1	)			(5.2	)
Foreign tax credit			(8.4	)			(2.5	)
Foreign-derived intangible income deduction			(6.8	)			(1.9	)
Acquisition			(0.1	)			1.6
Other			0.5				0.3
Valuation allowance		—					(85.3	)
			10.1	%			(78.4	)%

Components of the Net Deferred Tax Assets (Liabilities)

The components of the net deferred tax assets (liabilities) were as follows:

		As of December 31,
(In thousands)		2025				2024
Deferred tax assets:
Lease liabilities		$	5,284			$	6,384
Other timing differences, accruals and reserves			3,377				3,893
Deferred equity compensation			4,749				6,678
Net operating loss carryovers			12,003				12,003
Capitalized research			71,605				96,739
Tax credits			55,725				47,960
Total gross deferred tax assets			152,743				173,657
Deferred tax liabilities:
Lease right-of-use assets			(3,560	)			(4,498	)
Depreciation and amortization			(16,570	)			(9,077	)
Total gross deferred tax liabilities			(20,130	)			(13,575	)
Total net deferred tax assets			132,613				160,082
Valuation allowance			(29,021	)			(26,790	)
Net deferred tax assets		$	103,592			$	133,292

		As of December 31,
(In thousands)		2025				2024
Reported as:
Non-current deferred tax assets		$	105,542			$	136,466
Non-current deferred tax liabilities			(1,950	)			(3,174	)
Net deferred tax assets		$	103,592			$	133,292

Summary of Income Taxes Paid, Net of Refunds by Jurisdiction

Disclosed below is a summary of income taxes paid, net of refunds, by jurisdiction pursuant to the disclosure requirements of ASU 2023-09 for the year ended December 31, 2025:

(In thousands)		Income Taxes Paid
U.S. federal		$	1,500
U.S. state and local			67
Foreign:
South Korea			19,605
Taiwan			1,902
Other			1,918
Total income taxes paid		$	24,992

Summary of Valuation Allowance

The following table presents the tax valuation allowance information for the years ended December 31, 2025, 2024 and 2023:

(In thousands)		Balance at Beginning of Period				Charged to Operations				Charged to Other Account*				Valuation Allowance Release				Balance at End of Period
Tax Valuation Allowance
Year ended December 31, 2023		$	201,883				1,776				(717	)			(177,886	)		$	25,056
Year ended December 31, 2024		$	25,056				1,784				(50	)			—			$	26,790
Year ended December 31, 2025		$	26,790				2,231				—				—			$	29,021

* Amounts not charged to operations are charged to other comprehensive income or retained earnings.

Schedule of Reconciliation of the Beginning and Ending Amounts of Unrecognized Tax Benefits

A reconciliation of the beginning and ending amounts of unrecognized income tax benefits for the years ended December 31, 2025, 2024 and 2023 was as follows:

		Years Ended December 31,
(In thousands)		2025				2024				2023
Balance as of January 1		$	203,794			$	184,921			$	164,531
Tax positions related to current year:
Additions			16,178				19,844				19,403
Tax positions related to prior years:
Additions			619				—				1,378
Reductions			(112,589	)			(971	)			(391	)
Balance as of December 31		$	108,002			$	203,794			$	184,921

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