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Revenues - Additional Information (Detail) - Customer	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Number of customers	1	1	1
Customer Concentration Risk [Member] | Sales Revenue, Net [Member] | Customer One [Member]
Percentage of total net revenues	14.90%
Customer Concentration Risk [Member] | Sales Revenue, Net [Member] | Customer Two [Member]
Percentage of total net revenues		18.50%
Customer Concentration Risk [Member] | Sales Revenue, Net [Member] | Customer Three [Member]
Percentage of total net revenues			12.70%
Customer Concentration Risk [Member] | Sales Revenue, Net [Member] | China [Member]
Percentage of total net revenues	27.50%	31.40%	22.10%

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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.

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