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
-Publisher FASB
-Name Accounting Standards Codification
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Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Concentration of Risks - Additional Information (Details) - Customer Concentration Risk	3 Months Ended		9 Months Ended
	Mar. 31, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Total revenue
Concentration Risk [Line Items]
Concentration risk percentage			0.00%
Revenue, Product and Service Benchmark [Member]
Concentration Risk [Line Items]
Concentration risk percentage			0.00%	0.00%
Accounts Receivable [Member]
Concentration Risk [Line Items]
Concentration risk percentage	0.00%		0.00%
Lam Research Corporation \| Total revenue
Concentration Risk [Line Items]
Concentration risk percentage		15.00%		15.00%