| Cover | Feb. 18, 2021 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Feb. 18, 2021 |
| Entity File Number | 1-12928 |
| Entity Registrant Name | AGREE REALTY CORPORATION |
| Entity Central Index Key | 0000917251 |
| Entity Tax Identification Number | 38-3148187 |
| Entity Incorporation, State or Country Code | MD |
| 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 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | Common Stock, $.0001 par value |
| Trading Symbol | ADC |
| Security Exchange Name | NYSE |
| Entity Emerging Growth Company | false |
