Segment Information, Long-Lived Assets by Major Market (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Long-Lived Assets by Major Market [Abstract]
Long-lived assets	$ 534,242	$ 557,799	$ 581,124
Major Market [Member] | United States [Member]
Long-Lived Assets by Major Market [Abstract]
Long-lived assets	339,163	343,482	335,020
Major Market [Member] | Mainland China [Member]
Long-Lived Assets by Major Market [Abstract]
Long-lived assets	122,728	132,148	149,124
Major Market [Member] | South Korea [Member]
Long-Lived Assets by Major Market [Abstract]
Long-lived assets	23,578	30,867	25,364
Major Market [Member] | Japan [Member]
Long-Lived Assets by Major Market [Abstract]
Long-lived assets	13,322	18,011	23,929
Major Market [Member] | All Others [Member]
Long-Lived Assets by Major Market [Abstract]
Long-lived assets	$ 35,451	$ 33,291	$ 47,687