Goodwill - Changes In Carrying Amount of Goodwill (Details) - USD ($)	1 Months Ended	12 Months Ended
	Oct. 31, 2022	Dec. 31, 2022	Dec. 31, 2020
Goodwill [Roll Forward]
Goodwill, beginning balance		$ 251,628,000	$ 343,800,000
Impairment loss			(92,200,000)
Disposition of assets		(4,600,000)
Business acquisition		7,000,000.0
Goodwill, ending balance		253,956,000	251,600,000
Applebee's | Franchised
Goodwill [Roll Forward]
Goodwill, beginning balance		236,200,000	328,400,000
Impairment loss			(92,200,000)
Disposition of assets		0
Business acquisition		0
Goodwill, ending balance		236,200,000	236,200,000
Applebee's | Entity Operated Units
Goodwill [Roll Forward]
Goodwill, beginning balance		4,600,000	4,600,000
Impairment loss			0
Disposition of assets	$ (4,600,000)
Business acquisition		0
Goodwill, ending balance		0	4,600,000
IHOP | Franchised
Goodwill [Roll Forward]
Goodwill, beginning balance		10,800,000	10,800,000
Impairment loss			0
Disposition of assets		0
Business acquisition		0
Goodwill, ending balance		10,800,000	10,800,000
Fuzzy's | Franchised
Goodwill [Roll Forward]
Goodwill, beginning balance		0	0
Impairment loss			0
Disposition of assets		0
Business acquisition		7,000,000.0
Goodwill, ending balance		$ 7,000,000.0	$ 0