Summary of Components of Lease Costs (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Oct. 02, 2020	Sep. 27, 2019	Oct. 02, 2020	Sep. 27, 2019
Leases [Abstract]
Operating lease cost	$ 1,786	$ 1,830	$ 5,693	$ 5,695
Finance lease cost
Amortization of right-of-use assets	253	228	748	583
Interest on lease liabilities	108	110	326	316
Variable lease cost	320	505	1,043	1,051
Total lease cost	$ 2,467	$ 2,673	$ 7,810	$ 7,645

Finance lease costs.

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- Definition

Amount of interest expense on finance lease liability.

+ References

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- Definition

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

+ References

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- Definition

Amount of lease cost recognized by lessee for lease contract.

+ References

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- References

No definition available.

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- Definition

Amount of single lease cost, calculated by allocation of remaining cost of lease over remaining lease term. Includes, but is not limited to, single lease cost, after impairment of right-of-use asset, calculated by amortization of remaining right-of-use asset and accretion of lease liability.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
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-SubTopic 20
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- Definition

Amount of variable lease cost, excluded from lease liability, recognized when obligation for payment is incurred for finance and operating leases.

+ References

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