Goodwill and Intangible Assets - Goodwill (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 25, 2024	Dec. 27, 2023	Dec. 28, 2022	Jul. 20, 2022
Goodwill [Roll Forward]
Balance, beginning of year	$ 65,908	$ 72,740
Reclassifications from (to) assets held for sale	469	(469)
Impairment charges	(20)	(6,363)	$ 0
Balance, end of year	66,357	65,908	72,740
Goodwill	66,357	65,908	$ 72,740
Accumulated impairment losses	6,400
Denny’s
Goodwill [Roll Forward]
Balance, beginning of year	37,527
Balance, end of year	37,507	37,527
Goodwill	37,507	37,527
Other
Goodwill [Roll Forward]
Balance, beginning of year	28,381
Balance, end of year	28,850	28,381
Goodwill	$ 28,850	$ 28,381
Keke's
Goodwill [Roll Forward]
Goodwill				$ 35,213