Unaudited Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands		3 Months Ended		6 Months Ended
		Jul. 01, 2025	Jul. 02, 2024	Jul. 01, 2025	Jul. 02, 2024
Income Statement [Abstract]
Revenues		$ 365,597	$ 349,927	$ 713,570	$ 687,261
Restaurant operating costs (excluding depreciation and amortization):
Cost of sales		90,803	89,836	177,623	174,789
Labor and benefits		129,374	126,309	255,026	251,330
Occupancy and operating		83,300	79,566	163,211	156,424
General and administrative		21,750	20,604	43,502	43,601
Depreciation and amortization		18,736	18,163	37,013	36,036
Restaurant opening		225	300	663	890
Loss on disposal and impairment of assets, net		195	1,928	368	2,712
Total costs and expenses		344,383	336,706	677,406	665,782
Income from operations		21,214	13,221	36,164	21,479
Other (expense) income:
Interest expense, net		(1,272)	(1,259)	(2,502)	(2,670)
Other income, net (1)	[1]	3,761	2,772	3,700	3,468
Total other income		2,489	1,513	1,198	798
Income before income taxes		23,703	14,734	37,362	22,277
Income tax expense (benefit)		1,495	(2,423)	1,662	(2,603)
Net income		$ 22,208	$ 17,157	$ 35,700	$ 24,880
Net income per share:
Basic		$ 1	$ 0.74	$ 1.59	$ 1.07
Diluted		$ 0.97	$ 0.72	$ 1.54	$ 1.04
Weighted average number of shares outstanding:
Basic		22,220	23,309	22,452	23,313
Diluted		22,962	23,921	23,130	23,954

[1] For the thirteen weeks ended July 1, 2025 and July 2, 2024, related party costs included in other income, net was an equity method investment loss of $66,000 and $146,000, respectively. For the twenty-six weeks ended July 1, 2025 and July 2, 2024, related party costs included in other income, net was an equity method investment loss of $225,000 and $293,000, respectively. See Note 10 for further information.