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Summary of Significant Accounting Policies - Narrative (Details) $ in Millions | 1 Months Ended | 12 Months Ended
--- | --- | ---
Oct. 31, 2020 | Dec. 31, 2021 USD ($) segment tenant property shares | Dec. 31, 2020 USD ($) property
Accounting Policies [Line Items] |  |  |
Outstanding units | shares |  | 71,632,930 |
Number of real estate properties held-for-sale | property |  | 1 | 1
Cash in excess of FDIC insured amounts |  | $ 44.0 | $ 7.0
Straight-line rent receivables |  | $ 40.9 | 29.8
Number of tenants for whom, collections no longer probable | tenant |  | 3 |
Allowance for doubtful accounts receivable (in dollars) |  | $ 0.8 |
Number of Reportable Segments | segment |  | 1 |
Covid-19 [Member] |  |  |
Accounting Policies [Line Items] |  |  |
Deferred Rent Receivables, Net |  | $ 0.5 |
Unbilled Revenues [Member] |  |  |
Accounting Policies [Line Items] |  |  |
Accounts Receivable, Gross |  | $ 9.1 | 4.1
General and Administrative Expense |  |  |
Accounting Policies [Line Items] |  |  |
One-time extension bonus |  |  | $ 1.5
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 |  | 99.50% | 99.40%
Agree Realty Corporation [Member] | Third party [Member] |  |  |
Accounting Policies [Line Items] |  |  |
Non controlling interest |  | 0.50% | 0.60%
President And Chief Executive Officer [Member] |  |  |
Accounting Policies [Line Items] |  |  |
Agreement Auto Renewal Period | 2 years |  |
Agreement Non Renewal, Notice Period | 60 days |  |

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