| Document And Entity Information | Jun. 15, 2020 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Jun. 15, 2020 |
| Entity Registrant Name | Essential Properties Realty Trust, Inc. |
| Entity Central Index Key | 0001728951 |
| Entity Emerging Growth Company | false |
| Entity File Number | 001-38530 |
| Entity Incorporation, State or Country Code | MD |
| Entity Tax Identification Number | 82-4005693 |
| Entity Address, Address Line One | 902 Carnegie Center Blvd |
| Entity Address, Address Line Two | Suite 520 |
| Entity Address, City or Town | Princeton |
| Entity Address, State or Province | NJ |
| Entity Address, Postal Zip Code | 08540 |
| City Area Code | 609 |
| Local Phone Number | 436-0619 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | Common Stock, $0.01 par value |
| Trading Symbol | EPRT |
| Security Exchange Name | NYSE |
