Goodwill and Intangible Assets (Intangible Assets Subject to Amortization) (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Sep. 24, 2019
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 166	$ 181
Accumulated Amortization	(125)	(130)
Net Carrying Amount	41	51
Franchise rights [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	116	116
Accumulated Amortization	(110)	(104)
Net Carrying Amount	6	12
Non-compete agreements [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	50	65
Accumulated Amortization	(15)	(26)
Net Carrying Amount	$ 35	$ 39