Real Estate - Schedule of Asset Held For Sale Property (Details) - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024
Acquisition And Disposition Of Properties And Discontinued Operations [Abstract]
Building and improvements	$ 24,902
Tenant improvements	198
Land	24,086
Real estate, intangible assets	335
Less: Accumulated depreciation and amortization	(2,466)
Other	389
Assets of properties held for sale	47,444	$ 0
Real estate, intangible liabilities	$ 163

Accumulated depreciation and amortization held for sale not part of disposal group.

No definition available.

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Namespace Prefix:	akr_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Acquisition and disposition of properties and discontinued operations.

+ References

No definition available.

+ Details

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Namespace Prefix:	akr_
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Balance Type:	na
Period Type:	duration

- Definition

Buildings and improvements held for sale not part of disposal group.

+ References

No definition available.

+ Details

Name:	akr_BuildingsAndImprovementsHeldForSaleNotPartOfDisposalGroup
Namespace Prefix:	akr_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Land held for sale not part of disposal group.

+ References

No definition available.

+ Details

Name:	akr_LandHeldForSaleNotPartOfDisposalGroup
Namespace Prefix:	akr_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Real estate intangible assets held for sale not part of disposal group.

+ References

No definition available.

+ Details

Name:	akr_RealEstateIntangibleAssetsHeldForSaleNotPartOfDisposalGroup
Namespace Prefix:	akr_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Real estate intangible liabilities held for sale not part of disposal group.

+ References

No definition available.

+ Details

Name:	akr_RealEstateIntangibleLiabilitiesHeldForSaleNotPartOfDisposalGroup
Namespace Prefix:	akr_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Tenant improvements held for sale not part of disposal group.

+ References

No definition available.

+ Details

Name:	akr_TenantImprovementsHeldForSaleNotPartOfDisposalGroup
Namespace Prefix:	akr_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of assets held-for-sale that are not part of a disposal group.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 360
-SubTopic 10
-Name Accounting Standards Codification
-Section 15
-Paragraph 4
-Subparagraph (b)(2)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482309/360-10-15-4

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of other assets held-for-sale that are not part of a disposal group.

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant