Quarterly report pursuant to Section 13 or 15(d)

Income Taxes - Narrative (Details)

v3.21.1
Income Taxes - Narrative (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 28, 2021
Dec. 27, 2020
Mar. 29, 2020
Income Tax Disclosure [Abstract]      
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent 21.00%    
Deferred tax asset $ 8,873 $ 7,806 $ 7,800
Minimum [Member]      
Income Tax Contingency [Line Items]      
Loss Contingency, Estimate of Possible Loss 500    
Maximum [Member]      
Income Tax Contingency [Line Items]      
Loss Contingency, Estimate of Possible Loss $ 2,500