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Organization (Details Textual)	Mar. 31, 2018
Nature of Operations [Line Items]
Ownership Percentage On Controlling Interest By Parent	98.90%

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- References

No definition available.

+ Details

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Namespace Prefix:	adc_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

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- Definition

Controlling interest percentage held by Agree Realty Corporation (general partner).

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No definition available.

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Name:	adc_OwnershipPercentageOnControllingInterestByParent
Namespace Prefix:	adc_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant