Bank Credit Agreements and Other Short-Term and Long-Term Debt - Schedule of Debt (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Debt Instrument [Line Items]
Total long-term debt	$ 150,348	$ 284,959
Less: Current portion of long-term debt	(1,693)	(17,381)
Less: Unamortized debt-issuance costs	(1,185)	(2,004)
Long-term debt, net of current portion	147,470	265,574
Various during 2022
Debt Instrument [Line Items]
Short-term debt	$ 36,280	18,068
Short-term debt, Interest Rate	Various indices plus margin
January 2023 | Term Loan and Revolver
Debt Instrument [Line Items]
Total long-term debt	$ 0	155,122
Long-term debt, Interest Rate	Libor plus margin
Notes Payable to Bank | Bank of Taiwan | June 33
Debt Instrument [Line Items]
Total long-term debt	$ 2,063	2,492
Long-term debt, Interest Rate	2-yr deposit rate floating plus 0.1148%
Notes Payable to Bank | Bank of Taiwan | September 24
Debt Instrument [Line Items]
Total long-term debt	$ 1,628	1,807
Long-term debt, Interest Rate	2-year deposit rate floating plus 0.082%
Notes Payable to Bank | CTBC Bank | May 24
Debt Instrument [Line Items]
Total long-term debt	$ 13,840	16,168
Long-term debt, Interest Rate	TAIBOR 3M plus 0.5%
Notes Payable to Bank | CTBC Bank | December 24
Debt Instrument [Line Items]
Total long-term debt	$ 3,256	3,614
Long-term debt, Interest Rate	TAIBOR 3M plus 0.5%
Notes Payable to Bank | E Sun Bank | December 24
Debt Instrument [Line Items]
Total long-term debt	$ 3,256	3,614
Long-term debt, Interest Rate	1-M deposit rate floating plus 0.08%
Notes Payable to Bank | E Sun Bank | June 27
Debt Instrument [Line Items]
Total long-term debt	$ 276	371
Long-term debt, Interest Rate	1-M deposit rate floating plus 0.08%
Notes Payable to Bank | E Sun Bank | June 30
Debt Instrument [Line Items]
Total long-term debt	$ 1,516	1,771
Long-term debt, Interest Rate	1-M deposit rate floating plus 0.08%
Notes Payable to Bank | E Sun Bank | September 23
Debt Instrument [Line Items]
Total long-term debt	$ 166	0
Long-term debt, Interest Rate	2-yr deposit rate plus annual rate floating
Notes Payable to Bank | HSBC | January 25
Debt Instrument [Line Items]
Total long-term debt	$ 105,000	100,000
Long-term debt, Interest Rate	1M SOFR+Margin
Notes Payable to Bank | Taishin International Bank | April 23
Debt Instrument [Line Items]
Total long-term debt	$ 11	0
Long-term debt, Interest Rate	Fixed annual rate
Notes Payable to Bank | Taishin International Bank | April 24
Debt Instrument [Line Items]
Total long-term debt	$ 217	0
Long-term debt, Interest Rate	Fixed annual rate
Notes Payable to Bank | Chang Hwa Bank | June-July 2026
Debt Instrument [Line Items]
Total long-term debt	$ 518	0
Long-term debt, Interest Rate	2-yr deposit rate floating plus 1.405% - 1.655%
Annual Rate Plus Cost of Capital | Notes Payable to Bank | Taishin International Bank
Debt Instrument [Line Items]
Long-term debt, Interest Rate	Annual rate plus cost of capital
Annual Rate Plus Cost of Capital | Notes Payable to Bank | Taishin International Bank | April 23
Debt Instrument [Line Items]
Total long-term debt	$ 43	0
London Interbank Offered Rate (LIBOR) [Member] | Notes Payable to Bank | HSBC | January 25
Debt Instrument [Line Items]
Total long-term debt	$ 18,558	$ 0
Long-term debt, Interest Rate	1M Libor+Margin