Leases - Supplemental Cash Flow Information Related to Finance Leases (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Oct. 02, 2020	Sep. 27, 2019	Oct. 02, 2020	Sep. 27, 2019
Leases [Abstract]
Amortization of finance lease right-of-use asset	$ 48	$ 141	$ 215	$ 447
Interest on finance lease liabilities	7	17	25	58
Cash paid for amounts included in the measurement of finance lease liabilities:
Operating cash flows	7	17	25	58
Financing cash flows	109	317	455	998
Right-of-use assets obtained in exchange for new finance lease liabilities	$ 0	$ 0	$ 22	$ 679

Cash paid for amounts included in the measurement of finance lease liabilities.

No definition available.

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- Definition

Amount of interest expense on finance lease liability.

+ References

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-Publisher FASB
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-Section 50
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- Definition

Amount of interest paid on finance lease liability.

+ References

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- Definition

Amount of cash outflow for principal payment on finance lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 20
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- Definition

Amount of amortization expense attributable to right-of-use asset from finance lease.

+ References

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- References

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- Definition

Amount of increase in right-of-use asset obtained in exchange for finance lease liability.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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