Segments - Narrative (Details)	3 Months Ended
	Mar. 31, 2020 Country Territory Restaurant segment
Franchisor Disclosure [Line Items]
Number of operating segments (segment) | segment	5
Number of reportable segments (segment) | segment	4
Applebee's
Franchisor Disclosure [Line Items]
Number of territories in which entity operates (territory) | Territory	2
Number of countries in which entity operates (country) | Country	11
IHOP
Franchisor Disclosure [Line Items]
Number of territories in which entity operates (territory) | Territory	2
Number of countries in which entity operates (country) | Country	13
Franchised Units | Applebee's
Franchisor Disclosure [Line Items]
Number of restaurants (restaurant)	1,706
Franchised Units | IHOP
Franchisor Disclosure [Line Items]
Number of restaurants (restaurant)	1,840
Entity Operated Units | Applebee's
Franchisor Disclosure [Line Items]
Number of restaurants (restaurant)	69