Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands		12 Months Ended
		Jan. 03, 2023	Dec. 28, 2021	Dec. 29, 2020
Income Statement [Abstract]
Revenues		$ 1,283,926	$ 1,087,038	$ 778,510
Restaurant operating costs (excluding depreciation and amortization):
Cost of sales	[1]	349,645	288,110	195,573
Labor and benefits		483,367	401,408	305,628
Occupancy and operating	[1]	306,150	267,888	220,889
General and administrative		73,333	67,957	54,663
Depreciation and amortization		70,385	72,753	73,124
Restaurant opening		3,644	1,483	1,201
Loss on disposal and impairment of assets, net		6,200	3,946	17,141
Gain on lease transactions, net		(3,318)		(3,278)
Total costs and expenses		1,289,406	1,103,545	864,941
Loss from operations		(5,480)	(16,507)	(86,431)
Other (expense) income:
Interest expense, net		(2,888)	(5,002)	(7,078)
Gain from legal settlements				2,284
Other income, net		60	2,327	1,275
Total other expense		(2,828)	(2,675)	(3,519)
Loss before income taxes		(8,308)	(19,182)	(89,950)
Income tax benefit		(12,384)	(15,576)	(32,065)
Net income (loss)		$ 4,076	$ (3,606)	$ (57,885)
Net income (loss) per share:
Basic		$ 0.17	$ (0.16)	$ (2.74)
Diluted		$ 0.17	$ (0.16)	$ (2.74)
Weighted average number of shares outstanding:
Basic		23,405	23,191	21,162
Diluted		23,662	23,191	21,162

[1] There were no related party costs included in cost of sales or occupancy and operating for fiscal 2022 or 2021. Related party costs included in cost of sales and occupancy and operating are $28,070 and $4,058 for fiscal year 2020, respectively. See Note 14 for further information.