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Represents percentage of rent that is deferred out of original contracted rent.

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Percentage of rent collected during the period.

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Amount of right to consideration from customer for renting of property in normal course of business.

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Amount, before allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business.

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The amount of cash as of the balance sheet date that is not insured by the Federal Deposit Insurance Corporation.

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Percentage investment held by the managing member or general partner of the limited liability company (LLC) or limited partnership (LP).

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Percentage investment held by members or limited partners of limited liability company (LLC) or limited partnership (LP).

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The number of limited partner units outstanding.

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Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

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Present value of lessee's discounted obligation for lease payments from operating lease.

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Amount of lessee's right to use underlying asset under operating lease.

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Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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Summary of Significant Accounting Policies - Narrative (Details) $ in Thousands	3 Months Ended		9 Months Ended	12 Months Ended
	Sep. 30, 2020 USD ($) tenant shares	Jun. 30, 2020	Sep. 30, 2020 USD ($) segment tenant shares	Dec. 31, 2019 USD ($)	Jan. 01, 2019 USD ($)
Accounting Policies [Line Items]
Limited Partners' Capital Account, Units Outstanding \| shares	55,718,144		55,718,144
Deferral Of Actual Rent, Percentage	2	4
Percentage Of Rent Collection	97	92
Cash in Excess of FDIC Insured Amounts	$ 15,500		$ 15,500	$ 40,900
Straight-line rent receivables	$ 27,600		$ 27,600	23,000
Lessor, Operating Lease, Assumptions and Judgments, Number Of Tenants, Collections No Longer Probable \| tenant	5		5
Number of Reportable Segments \| segment			1
Right of use assets	$ 40,000		$ 40,000
Lease liabilities	15,907		15,907
ASU 2016-02 [Member] \| Revision of Prior Period, Change in Accounting Principle, Adjustment [Member]
Accounting Policies [Line Items]
Right of use assets					$ 7,500
Lease liabilities					$ 7,500
Unbilled Revenues [Member]
Accounting Policies [Line Items]
Accounts Receivable, Gross	$ 3,100		$ 3,100	$ 2,600
Building [Member]
Accounting Policies [Line Items]
Property, Plant and Equipment, Useful Life			40 years
Building Improvements [Member] \| Minimum [Member]
Accounting Policies [Line Items]
Property, Plant and Equipment, Useful Life			10 years
Building Improvements [Member] \| Maximum [Member]
Accounting Policies [Line Items]
Property, Plant and Equipment, Useful Life			20 years
Agree Realty Corporation [Member] \| General Partner [Member]
Accounting Policies [Line Items]
Percentage of Operating Partnership Owned			99.40%	99.20%
Agree Realty Corporation [Member] \| Third party [Member]
Accounting Policies [Line Items]
Non controlling interest			0.60%	0.80%