Summary of Significant Accounting Policies (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2020 |
Dec. 31, 2019 |
Dec. 31, 2018 |
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| Foreign currency exchange (gain) loss | $ (5,264) | $ 1,228 | $ 13,910 |
| Restricted cash included in prepaid and other current assets | 1,640 | 1,287 | |
| Allowance for credit loss | 0 | 0 | |
| Interest costs capitalized | 1,788 | 1,941 | 3,542 |
| Research and development cost | $ 7,137 | $ 7,357 | $ 8,938 |
| Maximum | |||
| Remaining lease term | 23 years | ||
| Maximum | Building and Building Improvements | |||
| Fixed asset useful life | 33 years | ||
| Maximum | Machinery and Equipment | |||
| Fixed asset useful life | 10 years | ||
| Minimum | Building and Building Improvements | |||
| Fixed asset useful life | 15 years | ||
| Minimum | Machinery and Equipment | |||
| Fixed asset useful life | 3 years | ||
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- Definition Lessee remaining lease term. No definition available.
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- Definition Amount of allowance for credit loss on accounts receivable. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount before tax of foreign currency transaction realized and unrealized gain (loss) recognized in the income statement. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of interest capitalized during the period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment. No definition available.
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- Definition The aggregate costs incurred (1) in a planned search or critical investigation aimed at discovery of new knowledge with the hope that such knowledge will be useful in developing a new product or service, a new process or technique, or in bringing about a significant improvement to an existing product or process; or (2) to translate research findings or other knowledge into a plan or design for a new product or process or for a significant improvement to an existing product or process whether intended for sale or the entity's use, during the reporting period charged to research and development projects, including the costs of developing computer software up to the point in time of achieving technological feasibility, and costs allocated in accounting for a business combination to in-process projects deemed to have no alternative future use. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of cash restricted as to withdrawal or usage. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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