Fair Value Measurements - Equity Method Investments Activity (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jul. 04, 2021	Jul. 04, 2021
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Gain on change in valuation of equity method investments	$ 700
SunStrong Partners, LLC
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Proceeds from equity method investee	2,300
Equity investments with FVO
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance as of January 3, 2021		$ 9,924
Equity Distribution		(2,276)
Additional Investment		0
Other adjustment		726
Ending balance as of July 4, 2021	$ 8,374	$ 8,374

Equity Investments, Additional Investment

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Equity Investments, Fair Value Adjustment

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Equity Investments, Other Adjustments

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Gain (Loss) On Change In Valuation Of Equity Method Investments

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- Definition

Amount of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI), classified as current.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 45
-Paragraph 1A
-URI http://asc.fasb.org/extlink&oid=123594786&loc=SL75136599-209740

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

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Amount of distribution received from equity method investee for return of investment, classified as investing activities. Excludes distribution for return on investment, classified as operating activities.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 21D
-URI http://asc.fasb.org/extlink&oid=123570139&loc=SL94080555-108585

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 12
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3179-108585

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