Impairment of Long-Lived Assets and Goodwill (Details) $ in Thousands	3 Months Ended	12 Months Ended
	Dec. 31, 2019 USD ($) restaurants	Sep. 24, 2019 USD ($)
Impaired Long-Lived Assets Held and Used [Line Items]
Number of restaurants impaired | restaurants	2
Goodwill	$ 15,150	$ 15,150
Non-cash impairment charge
Good Times [Member]
Impaired Long-Lived Assets Held and Used [Line Items]
Goodwill	96
Non-cash impairment charge		391
Good Times [Member] | Bad Daddy's restaurant in South Carolina [Member]
Impaired Long-Lived Assets Held and Used [Line Items]
Non-cash impairment charge		$ 2,380
Bad Daddy's Franchise Development, LLC [Member]
Impaired Long-Lived Assets Held and Used [Line Items]
Goodwill	$ 15,054