Cover Page - USD ($) $ in Billions	12 Months Ended
	Dec. 31, 2021	Feb. 16, 2022	Jun. 30, 2021
Cover [Abstract]
Document Type	10-K
Document Annual Report	true
Document Period End Date	Dec. 31, 2021
Current Fiscal Year End Date	--12-31
Document Transition Report	false
Entity File Number	001-38530
Entity Registrant Name	Essential Properties Realty Trust, Inc.
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
Title of 12(b) Security	Common Stock, $0.01 par value
Trading Symbol	EPRT
Security Exchange Name	NYSE
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
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
ICFR Auditor Attestation Flag	true
Entity Public Float			$ 3.2
Entity Common Stock, Shares Outstanding (in shares)		125,605,199
Documents Incorporated by Reference	Portions the Definitive Proxy Statement for the registrant's 2022 Annual Meeting of Stockholders are incorporated by reference into Part III of this report. The registrant expects to file such proxy statement within 120 days after the end of its fiscal year.
Amendment Flag	false
Document Fiscal Year Focus	2021
Document Fiscal Period Focus	FY
Entity Central Index Key	0001728951