Goodwill and Other Intangible Assets - Schedule of Other Intangible Assets (Detail) - USD ($) $ in Thousands	Jun. 16, 2020	Dec. 31, 2019
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 16,820	$ 16,581
Accumulated Amortization	(6,277)	(5,754)
Net	10,543	10,827
Sublease assets
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	1,820	1,340
Accumulated Amortization	(130)	(82)
Net	1,690	1,258
Franchise rights
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	14,057	14,298
Accumulated Amortization	(5,890)	(5,465)
Net	8,167	8,833
Reacquired franchise rights
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	943	943
Accumulated Amortization	(257)	(207)
Net	$ 686	$ 736