Debt (Long Term Debt) (Details) $ in Thousands, ¥ in Billions	1 Months Ended		12 Months Ended
	Dec. 31, 2023 USD ($) installment	Dec. 31, 2023 JPY (¥) installment	Dec. 31, 2023 USD ($)	Dec. 31, 2023 KRW (₩)	Dec. 31, 2022 USD ($)	Mar. 31, 2022 USD ($)	Feb. 28, 2022 USD ($)	Apr. 30, 2021 KRW (₩) borrowing
Debt Instrument [Line Items]
Total debt	$ 1,209,785		$ 1,209,785		$ 1,239,772
Less: Unamortized discount and deferred debt costs, net	(6,329)		(6,329)		(7,438)
Less: Short-term borrowings and current portion of long-term debt	(131,624)		(131,624)		(143,813)
Long-term debt	$ 1,071,832		$ 1,071,832		1,088,521
6.625% Senior notes, due September 2027 | Senior Notes
Debt Instrument [Line Items]
Interest rate (as a percent)	6.625%		6.625%	6.625%
Total debt	$ 525,000		$ 525,000		525,000
Term Loan fixed rate at 1.85% due April 2024 | Subsidiary Term Loans | Korea
Debt Instrument [Line Items]
Interest rate (as a percent)	1.85%		1.85%	1.85%
Total debt	$ 0		$ 0		0
Amount of debt agreement | ₩								₩ 80,000,000,000
Number of annual borrowings | borrowing								6
Amount of unused borrowing capacity	$ 62,000		$ 62,000	₩ 80,000,000,000
Term loan, fixed rate at 2.12%, due December 2028 | Subsidiary Term Loans | Korea
Debt Instrument [Line Items]
Interest rate (as a percent)	2.12%		2.12%	2.12%
Total debt	$ 200,000		$ 200,000		200,000
Short-term term loans, variable rate | Subsidiary Term Loans | Japan
Debt Instrument [Line Items]
Total debt	5,098		5,098		4,042
Amount of unused borrowing capacity	$ 7,700		$ 7,700
Term loan, fixed rate at 1.30%, due July 2023 | Subsidiary Term Loans | Japan
Debt Instrument [Line Items]
Interest rate (as a percent)	1.30%		1.30%	1.30%
Total debt	$ 0		$ 0		29,744
Term loan, fixed rate at 1.35%, due December 2024 | Subsidiary Term Loans | Japan
Debt Instrument [Line Items]
Interest rate (as a percent)	1.35%		1.35%	1.35%
Total debt	$ 40,414		$ 40,414		86,943
Term loan, fixed rate at 1.20%, due December 2025 | Subsidiary Term Loans | Japan
Debt Instrument [Line Items]
Interest rate (as a percent)	1.20%		1.20%	1.20%
Total debt	$ 30,913		$ 30,913		49,878
Term loan, fixed rate at 1.23%, due December 2026 | Subsidiary Term Loans | Japan
Debt Instrument [Line Items]
Interest rate (as a percent)	1.23%		1.23%	1.23%
Total debt	$ 55,729		$ 55,729		79,927
Term loan, fixed rate at 1.59%, due December 2027 | Subsidiary Term Loans | Japan
Debt Instrument [Line Items]
Interest rate (as a percent)	1.59%		1.59%	1.59%
Total debt	$ 89,053		$ 89,053		119,738
Term loan, fixed rate at 1.80%, due December 2028 | Subsidiary Term Loans | Japan
Debt Instrument [Line Items]
Interest rate (as a percent)	1.80%		1.80%	1.80%
Total debt	$ 124,078		$ 124,078		0
Proceeds from issuance of long-term debt	$ 123,300	¥ 17.5
Number of quarterly installments | installment	20	20
Term Loan, SOFR Plus 0.75% Due March 2024 | Subsidiary Term Loans | China
Debt Instrument [Line Items]
Total debt	$ 0		$ 0		46,000
Term Loan, SOFR Plus 0.75% Due March 2024 | Subsidiary Term Loans | China | Secured Overnight Financing Rate (SOFR)
Debt Instrument [Line Items]
Interest rate spread (as a percent)			0.75%
Term Loan, SOFR Plus 0.75% Due June 2025 | Subsidiary Term Loans | China
Debt Instrument [Line Items]
Total debt	37,000		$ 37,000		39,000
Term Loan, SOFR Plus 0.75% Due June 2025 | Subsidiary Term Loans | China | Secured Overnight Financing Rate (SOFR)
Debt Instrument [Line Items]
Interest rate spread (as a percent)			0.75%
Term Loan, SOFR Plus 0.75% Due 2025 | Subsidiary Term Loans | China
Debt Instrument [Line Items]
Total debt	57,500		$ 57,500		59,500
Term Loan, SOFR Plus 0.75% Due 2025 | Subsidiary Term Loans | China | Secured Overnight Financing Rate (SOFR)
Debt Instrument [Line Items]
Interest rate spread (as a percent)			0.75%
Term Loans, SOFR Plus 1.40%, Due December 2026 | Subsidiary Term Loans | China
Debt Instrument [Line Items]
Total debt	45,000		$ 45,000		0
Periodic principal payment	500
Term Loans, SOFR Plus 1.40%, Due December 2026 | Subsidiary Term Loans | China | Secured Overnight Financing Rate (SOFR)
Debt Instrument [Line Items]
Interest rate spread (as a percent)			1.40%
Credit facility, TAIFX plus the applicable bank rate, due December 2024 (Taiwan) | Line of Credit | Taiwan | Revolving Credit Facility
Debt Instrument [Line Items]
Total debt	0		$ 0		0
Amount of unused borrowing capacity	$ 15,000		$ 15,000
Credit facility, borrowing capacity						$ 15,000	$ 36,000
Senior secured revolving credit facility, applicable bank rate plus 1.75%, due March 2027 (Singapore) | Line of Credit | Singapore | Revolving Credit Facility
Debt Instrument [Line Items]
Interest rate (as a percent)	1.75%		1.75%	1.75%
Total debt	$ 0		$ 0		$ 0
Credit facility, borrowing capacity						600,000
Credit facility, base amount						$ 250,000
Credit facility percentage of variable borrowings						37.50%
Remaining borrowing capacity	$ 600,000		$ 600,000