Summary of Significant Accounting Policies - Earnings per Share (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Earnings Per Share Basic And Diluted [Line Items]
Net income attributable to Agree Realty Corporation	$ 44,859	$ 41,614
Less: Series A preferred stock dividends	(1,859)	(1,859)
Net income attributable to common stockholders	43,000	39,755
Less: Income attributable to unvested restricted shares	(120)	(106)
Net income used in basic and diluted earnings per share	$ 42,880	$ 39,649
Weighted average number of common shares outstanding	100,565,173	90,273,864
Less: Unvested restricted shares	(280,585)	(245,609)
Weighted average number of common shares outstanding used in basic earnings per share	100,284,588	90,028,255
Weighted average number of common shares outstanding used in basic earnings per share	100,284,588	90,028,255
Effect of dilutive securities:
Share-based compensation	52,012	71,925
Weighted average number of common shares outstanding used in diluted earnings per share	100,336,600	90,548,172
Operating Partnership Units ("OP Units")	347,619	347,619
Weighted average number of common shares and OP Units outstanding used in diluted earnings per share	100,684,219	90,895,791
Restricted Shares
Effect of dilutive securities:
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	14,642	1,050
Performance units
Effect of dilutive securities:
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	0	4,413
ATM Forward Equity Offerings
Effect of dilutive securities:
Forward equity offering		147,104
September 2022 Forward Equity Offering
Effect of dilutive securities:
Forward equity offering		300,888