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Stock-Based Compensation - ESPP (Details) - USD ($)
1 Months Ended 12 Months Ended
May 31, 2017
Dec. 28, 2019
Dec. 29, 2018
Dec. 30, 2017
May 23, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Capital shares reserved for future issuance         1,750,000
Maximum percentage of salary 15.00%        
Maximum dollar amount $ 4,000        
Maximum number of shares per employee 1,000        
Number of shares available for grant   1,293,482      
Purchase price of common stock percent 85.00%        
Employee Stock          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Number of shares available for grant   570,962      
Share-based Payment Arrangement, Expensed and Capitalized, Amount   $ 1,100,000 $ 1,000,000.0 $ 100,000