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Concentration of Credit Risk - Additional Information (Details) - Vendor	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
China
Concentration Risk [Line Items]
Number of vendors	2		2
Customer Concentration Risk | Net Revenue
Concentration Risk [Line Items]
Concentration risk percentage	10.00%	10.00%	10.00%	10.00%
Customer Concentration Risk | Trade Accounts Receivable
Concentration Risk [Line Items]
Concentration risk percentage			10.00%	10.00%

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Number of vendors.

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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.

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