Lease Disclosures (Details)	Mar. 31, 2019 properties Franchisee real_property restaurant_concept
Lessee, Lease, Description [Line Items]
Number of company-operated restaurants located on leased real estate properties | properties	69
Lessee, operating lease, renewal term	5 years
Lessor, number of leases requiring additional rent payments based on a percentage of restaurant sales | real_property	260
Lessee, number of leases requiring additional rent payments based on a percentage of restaurant sales | real_property	220
Finance lease, weighted average remaining lease term	8 years 7 months 6 days
Operating lease, weighted average remaining lease term	8 years 1 month 6 days
Finance lease, weighted average discount rate, percent	10.40%
Operating lease, weighted average discount rate, percent	5.80%
IHOP
Lessee, Lease, Description [Line Items]
Number of franchisee-operated restaurants | Franchisee	620
Number of properties leased | restaurant_concept	60
Applebee's
Lessee, Lease, Description [Line Items]
Number of properties leased | restaurant_concept	1
Minimum | IHOP
Lessee, Lease, Description [Line Items]
Lessee, operating lease, term of contract	20 years
Maximum | IHOP
Lessee, Lease, Description [Line Items]
Lessee, operating lease, term of contract	25 years