Summary of Significant Accounting Policies - Narrative (Details) $ in Millions	9 Months Ended	12 Months Ended
	Sep. 30, 2022 USD ($) segment tenant shares	Dec. 31, 2021 USD ($)
Accounting Policies [Line Items]
Outstanding units | shares	88,920,867
Cash in excess of FDIC insured amounts	$ 249.8	$ 44.0
Straight-line rent receivables	$ 50.1	40.9
Number of tenants for whom, collections no longer probable | tenant	4
Reduction to rental income	$ (0.4)
Reduction to net income	(0.4)
Allowance for doubtful accounts receivable (in dollars)	$ 0.0	0.8
Number of Reportable Segments | segment	1
Unbilled Revenues [Member]
Accounting Policies [Line Items]
Accounts Receivable, Gross	$ 12.8	$ 9.1
Building [Member]
Accounting Policies [Line Items]
Useful life	40 years
Building Improvements [Member] | Minimum [Member]
Accounting Policies [Line Items]
Useful life	10 years
Building Improvements [Member] | Maximum [Member]
Accounting Policies [Line Items]
Useful life	20 years
Agree Realty Corporation [Member] | General Partner [Member]
Accounting Policies [Line Items]
Limited Liability Company (LLC) or Limited Partnership (LP), Managing Member or General Partner, Ownership Interest	99.60%	99.50%
Agree Realty Corporation [Member] | General Partner [Member] | Series A Preferred Stock [Member]
Accounting Policies [Line Items]
Limited Liability Company (LLC) or Limited Partnership (LP), Managing Member or General Partner, Ownership Interest	100.00%
Agree Realty Corporation [Member] | Third party [Member]
Accounting Policies [Line Items]
Non controlling interest	0.40%	0.50%