Subsequent Events (Notes)	9 Months Ended
	Oct. 01, 2023
Subsequent Events [Abstract]
Subsequent Events	Subsequent EventsIn October of 2023, Fiesta was acquired by affiliates of Garnett Station Partners, LLC ("GSP"). Matthew Perelman and Alexander Sloane, each a member of the Company’s Board of Directors, are affiliates of GSP and affiliates of Cambridge Franchise Holdings, LLC which owns approximately 26.4% of the outstanding shares of the Company's common stock. As disclosed in footnote 10, Fiesta is a former wholly-owned subsidiary of the Company and the Company remains guarantor on eight Fiesta restaurant property leases.In November of 2023, the Company's entered into an agreement with BKC to remodel 64 restaurants in total between 2023 and 2024 in connection with their "Reclaim the Flame" remodel incentive program. On November 9, 2023, the Company announced that its Board of Directors has declared a regular quarterly cash dividend of $0.02 per share on all issued and outstanding shares of the Company's common stock, including common stock issuable on the conversion of our Series D Convertible Preferred Stock, that will be paid on December 15, 2023 to stockholders of record as of the close of business on November 21, 2023.