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Financial Information by Segment -Schedule of the Relative Size of Revenue Recognized in each Reportable Segment (Details) - Revenue generated - Product Concentration Risk	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Rubber
Segment Reporting Information [Line Items]
Concentration risk percentage	62.00%	63.00%	61.00%	61.00%
Specialty
Segment Reporting Information [Line Items]
Concentration risk percentage	38.00%	37.00%	39.00%	39.00%

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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