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Segment Information, Long-Lived Assets by Major Market (Details) - USD ($) $ in Thousands | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | --- | ---
Long-Lived Assets by Major Market [Abstract] |  |  |
Long-lived assets | $ 581,124 | $ 632,670 | $ 597,930
Major Market [Member] | United States [Member] |  |  |
Long-Lived Assets by Major Market [Abstract] |  |  |
Long-lived assets | 335,020 | 348,028 | 354,410
Major Market [Member] | Mainland China [Member] |  |  |
Long-Lived Assets by Major Market [Abstract] |  |  |
Long-lived assets | 149,124 | 152,312 | 136,845
Major Market [Member] | South Korea [Member] |  |  |
Long-Lived Assets by Major Market [Abstract] |  |  |
Long-lived assets | 25,364 | 39,104 | 35,286
Major Market [Member] | Japan [Member] |  |  |
Long-Lived Assets by Major Market [Abstract] |  |  |
Long-lived assets | 23,929 | 31,085 | 12,015
Major Market [Member] | All Others [Member] |  |  |
Long-Lived Assets by Major Market [Abstract] |  |  |
Long-lived assets | $ 47,687 | $ 62,141 | $ 59,374

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