Quarterly report pursuant to Section 13 or 15(d)

Defined Contribution Plan - Additional Information (Details)

v3.20.2
Defined Contribution Plan - Additional Information (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 27, 2020
Jun. 27, 2020
Jun. 29, 2019
Deferred Compensation Arrangement With Individual Postretirement Benefits [Line Items]      
Employer contributions to employee compensation plan $ 3 $ 12 $ 17
Maximum      
Deferred Compensation Arrangement With Individual Postretirement Benefits [Line Items]      
Defined contribution plan, employer matching contribution, percent   5.00%