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Contingencies - Sales to Major Customers (Details) - Customer concentration risk - Revenue	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Company A
Product Information [Line Items]
Percentage of sales to major customers	14.00%	17.00%	40.00%
Company B
Product Information [Line Items]
Percentage of sales to major customers		10.00%

X

- 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.

+ References

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- Definition

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+ References

No definition available.

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