Income Taxes (Narrative) (Details) - USD ($) $ / shares in Units, $ in Thousands	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Dec. 31, 2019
Income Taxes [Line Items]
Cumulative undistributed earnings of foreign subsidiaries			$ 313,900
Income tax incentives	$ 3,373	$ 3,999
Net impact of tax incentives, per diluted share	$ 0.09	$ 0.10
Unrecognized tax benefits including interest and penalties	$ 600
Malaysia [Member}
Income Taxes [Line Items]
Income tax holidays expiration date	2021
Income tax incentives	$ 2,164	$ 2,294
Thailand [Member]
Income Taxes [Line Items]
Income tax holidays expiration date	2028
Income tax incentives	$ 1,209	$ 1,705