Summary of Significant Accounting Policies - Narrative (Details) $ in Millions	6 Months Ended	12 Months Ended
Jun. 30, 2022 USD ($) segment tenant shares	Dec. 31, 2021 USD ($) property
Accounting Policies [Line Items]
Outstanding units \| shares	80,190,362
Number of real estate properties held-for-sale \| property		1
Cash in excess of FDIC insured amounts	$ 25.5	$ 44.0
Straight-line rent receivables	$ 47.1	40.9
Number of tenants for whom, collections no longer probable \| tenant	3
Allowance for doubtful accounts receivable (in dollars)	$ 0.8	0.8
Number of Reportable Segments \| segment	1
Unbilled Revenues [Member]
Accounting Policies [Line Items]
Accounts Receivable, Gross	$ 9.7	$ 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%

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