The Company (Details)	Dec. 31, 2018 Restaurant Country restaurant_concept state Territory
Franchisor Disclosure [Line Items]
Number of restaurant concepts | restaurant_concept	2
IHOP
Franchisor Disclosure [Line Items]
Number of restaurants	1,831
Number of states in which entity operates | state	50
Number of territories in which entity operates | Territory	3
Number of countries in which entity operates | Country	12
IHOP | Franchised
Franchisor Disclosure [Line Items]
Number of restaurants	1,669
IHOP | Licensing Agreements
Franchisor Disclosure [Line Items]
Number of restaurants	162
Applebee's
Franchisor Disclosure [Line Items]
Number of restaurants	1,837
Number of states in which entity operates | state	50
Number of territories in which entity operates | Territory	2
Number of countries in which entity operates | Country	13
Applebee's | Franchised
Franchisor Disclosure [Line Items]
Number of restaurants	1,768
Applebee's | Licensing Agreements
Franchisor Disclosure [Line Items]
Number of restaurants	69