Income Taxes - Reconciliation of income taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Reconciliation of income taxes at the United States Federal statutory rate to the effective income tax rate
Adjusted Pre-Tax Book Income	$ 138,249	$ 230,274	$ 278,599
U.S. Federal Statutory Tax Rate	29,032	48,358	58,506
State Income Taxes, net of federal income tax benefit	$ 1,271	$ 1,828	$ 1,220
Effective Income Tax Rate Reconciliation, State and Local Jurisdiction, Contribution Greater than 50 Percent, Tax Effect [Extensible Enumeration]	country:CA, stpr:TX, stpr:UT	stpr:ME, stpr:NY, stpr:OR	stpr:MN, stpr:OR, stpr:VT
Tax Credits
Research and Development Credit	$ (3,030)	$ (4,142)	$ (4,577)
Effect of Cross-Border Tax Laws
Foreign-derived intangible income	(12,241)	(20,439)	(24,052)
Foreign Tax Credit	(552)	(3,268)	(5,062)
Other	74	42	45
Valuation Allowances	113	1,379	1,999
Nontaxable or Nondeductible Items
Nondeductible Compensation	668	2,834	4,488
Share-based Compensation	1,815	(2,765)	(6,718)
Other nontaxable or nondeductible Items	109	269	215
Changes in Unrecognized Tax Benefits	242	761	1,053
Income tax provision	$ 18,011	$ 29,282	$ 32,336
Tax Jurisdiction of Domicile [Extensible Enumeration]	UNITED STATES	UNITED STATES	UNITED STATES
Tax reconciliation, percent
U.S. Federal Statutory Tax Rate	21.00%	21.00%	21.00%
State Income Taxes, net of federal income tax benefit	0.90%	0.80%	0.40%
Tax Credits
Research and Development Credit	(2.20%)	(1.80%)	(1.60%)
Effect of Cross-Border Tax Laws
Foreign-derived intangible income	(8.90%)	(8.90%)	(8.60%)
Foreign Tax Credit	(0.40%)	(1.40%)	(1.80%)
Other	0.10%
Valuation Allowances	0.10%	0.60%	0.70%
Nontaxable or Nondeductible Items
Nondeductible Compensation	0.50%	1.20%	1.60%
Share-based Compensation	1.30%	(1.20%)	(2.40%)
Other nontaxable or nondeductible Items	0.10%	0.10%	0.10%
Changes in Unrecognized Tax Benefits	0.20%	0.30%	0.30%
Income Tax Expense	13.00%	12.70%	11.60%
UNITED STATES
Reconciliation of income taxes at the United States Federal statutory rate to the effective income tax rate
Other	$ (333)	$ 1,044	$ (587)
Tax reconciliation, percent
Other	(0.20%)	0.50%	(0.20%)
South Korea
Reconciliation of income taxes at the United States Federal statutory rate to the effective income tax rate
Withholding Taxes	$ 552	$ 3,268	$ 5,062
Other	$ (221)	$ (265)	$ 211
Tax reconciliation, percent
Withholding Taxes	0.40%	1.40%	1.80%
Other	(0.20%)	(0.10%)	0.10%
Other foreign jurisdictions
Reconciliation of income taxes at the United States Federal statutory rate to the effective income tax rate
Other Jurisdictions	$ 512	$ 378	$ 533
Tax reconciliation, percent
Other Jurisdictions	0.30%	0.20%	0.20%