Property and Equipment, Intangible Assets and Goodwill - Narrative (Details) - USD ($)	4 Months Ended
	Dec. 19, 2018	Dec. 20, 2017	Aug. 29, 2018
Property, Plant and Equipment [Line Items]
Amortization of intangible assets	$ 400,000	$ 400,000
Intangible assets amortization expense, 2019	1,400,000
Intangible assets amortization expense, 2020	1,400,000
Intangible assets amortization expense, 2021	1,400,000
Intangible assets amortization expense, 2022	1,400,000
Intangible assets amortization expense, 2023	1,400,000
Goodwill, accumulated impairment loss	1,600,000		$ 1,600,000
Goodwill	555,000		$ 555,000
Goodwill, impairment charges	$ 0	$ 0
Fuddruckers Brand Name
Property, Plant and Equipment [Line Items]
Intangible assets, net, estimated useful lives	21 years
Franchise Rights
Property, Plant and Equipment [Line Items]
Intangible assets, net, estimated useful lives	21 years
Intangible Assets Related to Cheeseburger in Paradise
Property, Plant and Equipment [Line Items]
Intangible assets, net, estimated useful lives	15 years