Income Taxes - Schedule of Deferred Tax Assets and Liabilities (Details) - Successor - USD ($)	Jan. 01, 2019	Jan. 02, 2018
Deferred tax assets:
Deferred rent	$ 1,173,000	$ 741,000
Accrued insurance	3,685,000	3,332,000
Reserve for restructuring and closed restaurants	652,000	763,000
Net operating loss carryforwards and tax credits	122,000	485,000
Deferred income	1,196,000	1,069,000
Stock-based compensation	1,049,000	767,000
Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Employee Compensation	532,000	472,000
Other, net	494,000	355,000
Deferred tax assets	8,903,000	7,984,000
Less valuation allowance	0	0
Net deferred tax assets	8,903,000	7,984,000
Deferred tax liabilities:
Property, equipment and intangibles	(69,357,000)	(67,696,000)
Investment in subsidiary	(7,448,000)	(7,420,000)
Prepaid expenses	(1,569,000)	(1,442,000)
Deferred tax liabilities	(78,374,000)	(76,558,000)
Net deferred tax liabilities	$ (69,471,000)	$ (68,574,000)