Refranchising of Company-operated Restaurants (Details) $ in Thousands	1 Months Ended	12 Months Ended
	Jun. 30, 2017 Restaurant	Dec. 31, 2018 USD ($) agreement	Dec. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)
Franchisor Disclosure [Line Items]
Proceeds from sale of property and equipment		$ 655	$ 1,100	$ 0
Franchised | IHOP | Cincinnati, Ohio Market Area Restaurants [Member]
Franchisor Disclosure [Line Items]
Company operated restaurants taken back to be refranchised | Restaurant	9
Number of franchise agreements | agreement		9
Number of sublease agreements | agreement		9
Favorable lease assets, net		$ 2,400
Proceeds from sale of property and equipment		1,100
Amount of consideration received		4,800
Gain (loss) on sale of properties		$ 6,200