Annual report pursuant to Section 13 and 15(d)

Revenues - Narrative (Details)

v3.20.4
Revenues - Narrative (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 26, 2019
Revenue from Contract with Customer [Abstract]    
Contract liabilities $ 24,800 $ 15,500
Deferred revenue 10,115 6,683
Deferred revenue, loyalty program 12,100 6,600
Deferred revenue, unredeemed gift cards 2,600 $ 2,200
Contract liabilities, revenue recognized $ 8,200