The Company (Details)	Dec. 31, 2021 restaurant country restaurantConcept territory uSState
Franchisor Disclosure [Line Items]
Number of restaurant concepts | restaurantConcept	2
IHOP
Franchisor Disclosure [Line Items]
Number of restaurants	1,751
Number of states in which entity operates | uSState	50
Number of territories in which entity operates | territory	2
Number of countries outside the United States in which the entity operates | country	7
IHOP | Franchised
Franchisor Disclosure [Line Items]
Number of restaurants	1,595
IHOP | Licensing Agreements
Franchisor Disclosure [Line Items]
Number of restaurants	156
Applebee's
Franchisor Disclosure [Line Items]
Number of restaurants	1,680
Number of states in which entity operates | uSState	49
Number of territories in which entity operates | territory	2
Number of countries outside the United States in which the entity operates | country	11
Applebee's | Franchised
Franchisor Disclosure [Line Items]
Number of restaurants	1,611
Applebee's | Licensing Agreements
Franchisor Disclosure [Line Items]
Number of restaurants	69