Leases - Supplemental Cash Flow (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 28, 2020	Mar. 30, 2019
Leases [Abstract]
Operating cash flows from operating leases	$ 1,029	$ 923
Operating cash flows from finance leases	10	9
Financing cash flows from finance leases	54	17
Right-of-use assets obtained in exchange for lease obligations:
Operating leases	165	0
Finance leases	$ 372	$ 457

Right-Of-Use Assets Obtained In Exchange For Lease Obligations [Abstract]

No definition available.

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- Definition

Amount of interest paid on finance lease liability.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 4
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+ Details

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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
-Topic 842
-SubTopic 20
-Section 45
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- References

No definition available.

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- Definition

Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
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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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- Definition

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

+ References

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