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Income Taxes (Narrative) (Details) - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Income Taxes [Line Items]
Corporate income tax rate	21.00%				35.00%
Effect Of Tax Cuts and Jobs Act [Abstract]
Tax Cuts and Jobs Act, Transition Tax for Accumulated Foreign Earnings Liability	$ 54,700,000				$ 80,500,000
Tax Cuts and Jobs Act, transition tax for accumulated foreign earnings liability noncurrent	48,300,000
Foreign earnings repatriated	35,000,000.0	$ 25,000,000.0
Cumulative undistributed earnings of foreign subsidiaries	365,200,000
Unrecognized deferred tax liability	4,600,000
Impact of cash repatriation	7,300,000
2022	6,400,000
2023	12,100,000
2024	16,100,000
2025	20,100,000
Refund claim of foreign cash taxes	16,500,000
Total Refund Claim				$ 9,200,000
Net change in total deferred tax asset valuation allowance	$ (300,000)	3,000,000.0	$ 2,300,000
Tax credit carryforward expiration year	2026
Income tax incentives	$ 7,700,000	$ 7,400,000	$ 5,000,000.0
Net impact of tax incentives, per diluted share	$ 0.21	$ 0.20	$ 0.13
Unrecognized tax benefits including interest and penalties	$ 9,500,000
Additions related to prior year tax positions	1,575,000	$ 0	$ 0
Additions related to current year tax positions	7,424,000	0	200,000
Decreases related to prior year tax positions	138,000.0	14,000.0
Decreases related to lapse of statutes	239,000.0	14,000	0
Interest on unrecognized tax	328,000.0	91,000.0
Penalty on unrecognized tax	$ 17,000.0	17,000.0
Interest and penalties included in income tax expense		$ 0	$ 0
Thailand [Member]
Effect Of Tax Cuts and Jobs Act [Abstract]
Income tax holidays expiration date	2028
Earliest Tax Year [Member]
Effect Of Tax Cuts and Jobs Act [Abstract]
Tax credit carryforward expiration year	2038
Earliest Tax Year [Member] | CHINA
Effect Of Tax Cuts and Jobs Act [Abstract]
Income tax holidays expiration date	2023
Latest Tax Year [Member]
Effect Of Tax Cuts and Jobs Act [Abstract]
Tax credit carryforward expiration year	2041
Latest Tax Year [Member] | Malaysia [Member}
Effect Of Tax Cuts and Jobs Act [Abstract]
Income tax holidays expiration date	2026
Foreign [Member]
Effect Of Tax Cuts and Jobs Act [Abstract]
Operating loss carryforwards	$ 49,000,000.0
Foreign operating loss with indefinite carry forward period	$ 12,000,000.0
Foreign [Member] | Latest Tax Year [Member]
Effect Of Tax Cuts and Jobs Act [Abstract]
Operating loss carryforwards expiration Year	2031
U.S. Federal [Member]
Effect Of Tax Cuts and Jobs Act [Abstract]
Operating loss carryforwards	$ 600,000
U.S. Federal [Member] | Earliest Tax Year [Member]
Effect Of Tax Cuts and Jobs Act [Abstract]
Tax credit carryforward expiration year	2027
U.S. Federal [Member] | Latest Tax Year [Member]
Effect Of Tax Cuts and Jobs Act [Abstract]
Tax credit carryforward expiration year	2036
State and local [Member]
Effect Of Tax Cuts and Jobs Act [Abstract]
Operating loss carryforwards	$ 8,100,000
Tax credit carryforward	$ 1,800,000
State and local [Member] | Earliest Tax Year [Member]
Effect Of Tax Cuts and Jobs Act [Abstract]
Operating loss carryforwards expiration Year	2023
State and local [Member] | Latest Tax Year [Member]
Effect Of Tax Cuts and Jobs Act [Abstract]
Operating loss carryforwards expiration Year	2041
Research Tax Credit Carryforward [Member]
Effect Of Tax Cuts and Jobs Act [Abstract]
Tax credit carryforward	$ 2,900,000

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