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Joint Venture Transactions (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jul. 01, 2021	Jun. 25, 2020	Jul. 01, 2021	Jun. 25, 2020	Dec. 31, 2020
Gain (Loss) on Disposition of Property Plant Equipment	$ (164,000)	$ (36,000)	$ 2,040,000	$ (48,000)
Joint Venture [Member]
Recapitalization of investment value					$ 0
Sale of interest in equity investment			4,150,000
Gain (Loss) on Disposition of Property Plant Equipment			$ 2,079,000

X

- Definition

Sale of interest in equity investment without readily determinable fair value

+ References

No definition available.

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- Definition

Recapitalization of investment value.

+ References

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X

- Definition

Amount of gain (loss) on sale or disposal of property, plant and equipment assets, including oil and gas property and timber property.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3602-108585

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