Goodwill and Other Intangible Assets (Other Intangible Assets) (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018	Jun. 24, 2018
Intangible Assets, Net (Excluding Goodwill) [Abstract]
Accumulated Amortization	$ (2,639)	$ (2,397)	$ (2,086)
Total other intangible assets, gross carrying amount	39,335	38,773	39,077
Total other intangible assets, net carrying value	36,696	36,376	36,991
License / Franchise Agreements [Member]
Intangible Assets, Net (Excluding Goodwill) [Abstract]
Gross Carrying Amount	3,390	3,379	3,357
Accumulated Amortization	(2,639)	(2,397)	(2,086)
Net Carrying Value	751	982	1,271
Trade Names [Member]
Intangible Assets, Net (Excluding Goodwill) [Abstract]
Carrying Amount/Value	$ 35,945	$ 35,394	$ 35,720