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Summary of Components of Lease Costs (Details) - USD ($)
$ in Thousands
3 Months Ended
Apr. 03, 2020
Mar. 29, 2019
Leases [Abstract]    
Operating lease cost $ 2,037 $ 1,823
Finance lease cost    
Amortization of right-of-use assets 248 178
Interest on lease liabilities 110 105
Variable lease cost 379 138
Total lease cost $ 2,774 $ 2,244