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Business of Organization - Additional Information (Details)	Jun. 30, 2024	Dec. 31, 2023
Business And Organization [Line Items]
Percentage of operating partnership held	75.60%	75.60%
General Partner
Business And Organization [Line Items]
Percentage of operating partnership held	0.10%

X

- Definition

Line items for business and organization.

+ References

No definition available.

+ Details

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X

- Definition

Percentage of ownership interests in operating partnership.

+ References

No definition available.

+ Details

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Namespace Prefix:	ahh_
Data Type:	dtr-types1:percentItemType
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X

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: