Quarterly report pursuant to Section 13 or 15(d)

Commitments and Contingencies - Additional Information (Details)

v3.19.1
Commitments and Contingencies - Additional Information (Details) - USD ($)
$ in Thousands
4 Months Ended
Apr. 21, 2019
Apr. 22, 2018
Loss Contingencies [Line Items]    
Litigation contingencies $ 0 $ 4,000
Compensation-related Claims    
Loss Contingencies [Line Items]    
Litigation contingencies   $ 4,000