Balance Sheet Components - Deferred Revenue (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Oct. 03, 2020	Oct. 03, 2020
Deferred Revenue [Roll Forward]
Beginning balances	$ 37,215	$ 40,842
Deferral of revenue	37,708	61,972
Recognition of deferred revenue	(20,279)	(48,170)
Ending balances	$ 54,644	$ 54,644
Minimum
Property, Plant and Equipment [Line Items]
Revenue recognition period		1 month
Maximum
Property, Plant and Equipment [Line Items]
Revenue recognition period		18 months

Contract with Customer, Liability, Revenue Recognition Period

No definition available.

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- Definition

Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
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- Definition

Amount of revenue recognized that was previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
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-Section 50
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-URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130549-203045

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- Definition

Amount of revenue recognized from performance obligation satisfied or partially satisfied in previous reporting periods. Includes, but is not limited to, change in transaction price.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

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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.

+ References

No definition available.

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