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Retirement Plan (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 25, 2021
Jun. 26, 2020
Jun. 25, 2021
Jun. 26, 2020
Retirement Benefits [Abstract]        
Employer matching contribution, percent of match     100.00%  
Employer matching contribution, percent of employees' gross pay     3.00%  
Maximum annual contributions per employee, percent     6.00%  
Employers matching contribution, annual vesting percentage     50.00%  
Contribution cost $ 919 $ 346 $ 2,089 $ 1,501
Defined Contribution Plan, Tax Status [Extensible Enumeration]     us-gaap:QualifiedPlanMember