v3.19.3
Cover Page - shares
9 Months Ended
Sep. 30, 2019
Nov. 08, 2019
Cover page.    
Entity Central Index Key 0001298946  
Current Fiscal Year End Date --12-31  
Document Fiscal Year Focus 2019  
Document Fiscal Period Focus Q3  
Amendment Flag false  
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Sep. 30, 2019  
Document Transition Report false  
Entity File Number 001-32514  
Entity Registrant Name DIAMONDROCK HOSPITALITY CO  
Entity Incorporation, State or Country Code MD  
Entity Tax Identification Number 20-1180098  
Entity Address, Address Line One 2 Bethesda Metro Center, Suite 1400,  
Entity Address, City or Town Bethesda,  
Entity Address, State or Province MD  
Entity Address, Postal Zip Code 20814  
City Area Code 240  
Local Phone Number 744-1150  
Title of 12(b) Security Common stock, $0.01 par value per share  
Trading Symbol DRH  
Security Exchange Name NYSE  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Large Accelerated Filer  
Entity Small Business false  
Entity Emerging Growth Company false  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   200,196,850