Summary of Significant Accounting Policies - Earnings per Share (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Earnings Per Share Basic And Diluted [Line Items]
Net income attributable to Agree Realty Corporation	$ 169,959	$ 152,437	$ 122,273
Less: Series A preferred stock dividends	(7,437)	(7,437)	(2,148)
Net Income Attributable to Common Stockholders	162,522	145,000	120,125
Less: Income attributable to unvested restricted shares	(405)	(376)	(369)
Net income used in basic and diluted earnings per share	$ 162,117	$ 144,624	$ 119,756
Weighted average number of common shares outstanding	95,431,468	78,885,063	67,004,069
Less: Unvested restricted shares	(240,059)	(225,730)	(201,827)
Weighted average number of common shares outstanding used in basic earnings per share	95,191,409	78,659,333	66,802,242
Weighted average number of common shares outstanding used in basic earnings per share	95,191,409	78,659,333	66,802,242
Effect of dilutive securities:
Share-based compensation	131,261	129,474	118,460
Weighted average number of common shares outstanding used in diluted earnings per share	95,437,412	79,164,386	67,139,079
Operating Partnership Units ("OP Units")	347,619	347,619	347,619
Weighted average number of common shares and OP Units outstanding used in diluted earnings per share	95,785,031	79,512,005	67,486,698
Restricted Shares
Effect of dilutive securities:
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	185	62	2,092
At-Market Equity Program
Effect of dilutive securities:
Forward equity offering	39,519	63,381	203,957
2020 ATM Program | Forward Sale Agreement
Effect of dilutive securities:
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount			5,360
2021 ATM Program | Forward Sale Agreement
Effect of dilutive securities:
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount			849
December 2021 Forward Equity Offering
Effect of dilutive securities:
Forward equity offering	0	89,963	14,420
May 2022 Forward Equity Offering
Effect of dilutive securities:
Forward equity offering	0	173,429	0
September 2022 Forward Equity Offering
Effect of dilutive securities:
Forward equity offering	75,223	48,806	0