Document And Entity Information - shares	9 Months Ended
	Sep. 30, 2021	Nov. 01, 2021
Cover [Abstract]
Entity Registrant Name	APPLE HOSPITALITY REIT, INC.
Trading Symbol	APLE
Document Type	10-Q
Current Fiscal Year End Date	--12-31
Entity Common Stock, Shares Outstanding		228,354,214
Amendment Flag	false
Entity Central Index Key	0001418121
Entity Current Reporting Status	Yes
Entity Filer Category	Large Accelerated Filer
Document Period End Date	Sep. 30, 2021
Document Fiscal Year Focus	2021
Document Fiscal Period Focus	Q3
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Document Quarterly Report	true
Document Transition Report	false
Entity File Number	001-37389
Entity Incorporation, State or Country Code	VA
Entity Tax Identification Number	26-1379210
Entity Address, Address Line One	814 East Main Street
Entity Address, City or Town	Richmond
Entity Address, State or Province	VA
Entity Address, Postal Zip Code	23219
City Area Code	804
Local Phone Number	344-8121
Title of 12(b) Security	Common Shares, no par value
Security Exchange Name	NYSE
Entity Interactive Data Current	Yes