Summary of Significant Accounting Policies - Earnings per Share (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Earnings Per Share Basic And Diluted [Line Items]
Net income attributable to Agree Realty Corporation	$ 41,614	$ 36,113
Less: Series A preferred stock dividends	(1,859)	(1,859)
Net Income Attributable to Common Stockholders	39,755	34,254
Less: Income attributable to unvested restricted shares	(106)	(110)
Net income used in basic and diluted earnings per share	$ 39,649	$ 34,144
Weighted average number of common shares outstanding	90,273,864	71,471,247
Less: Unvested restricted shares	(245,609)	(242,317)
Weighted average number of common shares outstanding used in basic earnings per share	90,028,255	71,228,930
Weighted average number of common shares outstanding used in basic earnings per share	90,028,255	71,228,930
Effect of dilutive securities:
Share-based compensation	71,925	58,190
Weighted average number of common shares outstanding used in diluted earnings per share	90,548,172	71,336,103
Restricted Shares [Member]
Effect of dilutive securities:
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	1,050	4,733
Performance units [Member]
Effect of dilutive securities:
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	4,413	1,078
At-Market Equity Program [Member]
Effect of dilutive securities:
Forward equity offering	147,104	980
2021 ATM Program | Forward Sale Agreement [Member]
Effect of dilutive securities:
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount		76,623
December 2021 Forward Offering
Effect of dilutive securities:
Forward equity offering		48,003
September 2022 Forward Offering
Effect of dilutive securities:
Forward equity offering	300,888