v3.25.1
Cover Page - shares
3 Months Ended
Mar. 31, 2025
Apr. 24, 2025
Cover [Abstract]    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Mar. 31, 2025  
Document Transition Report false  
Entity File Number 001-15283  
Entity Registrant Name Dine Brands Global, Inc.  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 95-3038279  
Entity Address, Address Line One 10 West Walnut Street, 5th Floor  
Entity Address, City or Town Pasadena  
Entity Address, State or Province CA  
Entity Address, Postal Zip Code 91103  
City Area Code (818)  
Local Phone Number 240-6055  
Title of 12(b) Security Common Stock, $0.01 par value  
Trading Symbol DIN  
Security Exchange Name NYSE  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Accelerated Filer  
Entity Small Business false  
Entity Emerging Growth Company false  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   15,625,779
Entity Central Index Key 0000049754  
Current Fiscal Year End Date --12-31  
Document Fiscal Year Focus 2025  
Document Fiscal Period Focus Q1  
Amendment Flag false