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Operations and Summary of Significant Accounting Policies - Acquired Intangible Assets Useful Life (Details) | 12 Months Ended
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Dec. 31, 2020
Patents and Technology |
Finite-lived Intangible Assets [Roll Forward] |
Weighted average useful life | 12 years
Customer relationships |
Finite-lived Intangible Assets [Roll Forward] |
Weighted average useful life | 13 years
Trademarks and Trade Names |
Finite-lived Intangible Assets [Roll Forward] |
Weighted average useful life | 20 years
Land Use Rights |
Finite-lived Intangible Assets [Roll Forward] |
Weighted average useful life | 45 years

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- Definition Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275 + Details
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
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