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Segment Information, Long Lived Assets by Major Market (Details) - USD ($) $ in Thousands | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
--- | --- | --- | ---
Long-Lived Assets by Major Market [Abstract] |  |  |
Long-lived assets | $ 597,930 | $ 464,535 | $ 464,587
Major Market [Member] | United States [Member] |  |  |
Long-Lived Assets by Major Market [Abstract] |  |  |
Long-lived assets | 354,410 | 317,516 | 302,884
Major Market [Member] | Mainland China [Member] |  |  |
Long-Lived Assets by Major Market [Abstract] |  |  |
Long-lived assets | 136,845 | 89,447 | 97,046
Major Market [Member] | South Korea [Member] |  |  |
Long-Lived Assets by Major Market [Abstract] |  |  |
Long-lived assets | 35,286 | 36,325 | 42,211
Major Market [Member] | Japan [Member] |  |  |
Long-Lived Assets by Major Market [Abstract] |  |  |
Long-lived assets | 12,015 | 6,864 | 9,342
Major Market [Member] | All Others [Member] |  |  |
Long-Lived Assets by Major Market [Abstract] |  |  |
Long-lived assets | $ 59,374 | $ 14,383 | $ 13,104

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- Definition Long-lived assets other than financial instruments, long-term customer relationships of a financial institution, mortgage and other servicing rights, deferred policy acquisition costs, and deferred tax assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 41 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e9038-108599 + Details
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