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Summary of Significant Accounting Policies - Summary of Customers Comprising 10% or More of Total Revenues (Details) - Total Revenue - Customer Concentration Risk	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Comcast Corporation
Concentration Risk [Line Items]
Concentration risk, percentage (or more)	27.00%
SK hynix Inc.
Concentration Risk [Line Items]
Concentration risk, percentage (or more)		17.00%	12.00%
Intel Corporation
Concentration Risk [Line Items]
Concentration risk, percentage (or more)		11.00%
Samsung Electronics, Co. Ltd.
Concentration Risk [Line Items]
Concentration risk, percentage (or more)			38.00%

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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