Closure and Impairment Charges (Details) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2015 Restaurant	Dec. 31, 2015 USD ($) Restaurant	Dec. 31, 2014 USD ($) Restaurant	Dec. 31, 2013 USD ($)
Impairment and Closure Charges [Line Items]
Closure charges | $		$ 1,400	$ 2,100	$ 1,000
Long-lived tangible asset impairment | $		1,200	1,600	800
Total closure and impairment charges | $		$ 2,576	$ 3,721	$ 1,812
Applebee's
Impairment and Closure Charges [Line Items]
Number of Restaurants With Impairment Charges | Restaurant		4
Company operated restaurants taken back to be refranchised | Restaurant			3
IHOP
Impairment and Closure Charges [Line Items]
Closure charges | $		$ 1,400	$ 1,000
Company Operated Restaurants Taken Back and Closed | Restaurant	2
Long-lived tangible asset impairment | $		$ 1,100
Number of Restaurants With Impairment Charges | Restaurant		8
Company operated restaurants taken back to be refranchised | Restaurant		2