| Document And Entity Information | Nov. 18, 2021 |
| Cover [Abstract] | |
| Entity Registrant Name | APPLE HOSPITALITY REIT, INC. |
| Trading Symbol | APLE |
| Document Type | 8-K |
| Amendment Flag | false |
| Entity Central Index Key | 0001418121 |
| Document Period End Date | Nov. 18, 2021 |
| Entity Emerging Growth Company | false |
| Entity Incorporation, State or Country Code | VA |
| Entity File Number | 001-37389 |
| 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 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | Common Shares, no par value |
| Security Exchange Name | NYSE |
