Contingencies - Sales to Major Customers (Details) - Customer concentration risk - Revenue |
12 Months Ended | ||
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Dec. 31, 2020 |
Dec. 31, 2019 |
Dec. 31, 2018 |
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| Company A | |||
| Product Information [Line Items] | |||
| Percentage of sales to major customers | 12.00% | 14.00% | 17.00% |
| Company B | |||
| Product Information [Line Items] | |||
| Percentage of sales to major customers | 10.00% | ||
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- Definition For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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