Closure and Impairment Charges - Narrative (Details) - IHOP	3 Months Ended		6 Months Ended
	Jun. 30, 2023 restaurant	Jun. 30, 2022 restaurant extensionTerm	Jun. 30, 2023 restaurant	Jun. 30, 2022 extensionTerm restaurant
Goodwill [Line Items]
Number of restaurants related to prior period closure charge revisions | restaurant	30	35	30	35
Entity Operated Units
Goodwill [Line Items]
Number of restaurants subject to asset impairment | extensionTerm		2		2