Document And Entity Information - shares	9 Months Ended
	Sep. 30, 2019	Oct. 18, 2019
Document And Entity Information [Abstract]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Sep. 30, 2019
Document Transition Report	false
Entity File Number	1-12928
Entity Registrant Name	AGREE REALTY CORPORATION
Entity Incorporation, State or Country Code	MD
Entity Tax Identification Number	38-3148187
Entity Address, Address Line One	70 E. Long Lake Road
Entity Address, City or Town	Bloomfield Hills
Entity Address, State or Province	MI
Entity Address, Postal Zip Code	48304
City Area Code	248
Local Phone Number	737-4190
Title of 12(b) Security	Common Stock
Trading Symbol	ADC
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		42,412,827
Entity Central Index Key	0000917251
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2019
Document Fiscal Period Focus	Q3
Amendment Flag	false