Revenues - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2021	Dec. 30, 2020
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Liability balance	$ 1,972
Deferred revenue recognized		$ 600
Gift Card Redemption
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Liability balance	5,500	$ 6,100
Deferred revenue recognized	$ 100