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v3.23.1

Real Estate - Schedule of Significant Assumptions Used in Calculating Fair Value of the Asset Acquisitions (Details) - Level 3 - $ / ft² | 3 Months Ended
--- | ---
Mar. 31, 2023 | Mar. 31, 2022
Maximum |  |
Real Estate [Line Items] |  |
Exit Capitalization Rate | 0.00% | 7.25%
Annual net rental rate per square foot on acquired buildings | 0 | 825.00
Annual net rental rate per square foot on acquired ground lease | 0 | 0
Minimum |  |
Real Estate [Line Items] |  |
Exit Capitalization Rate | 0.00% | 4.25%
Annual net rental rate per square foot on acquired buildings | 0 | 20.00
Annual net rental rate per square foot on acquired ground lease | 0 | 0

X
- Definition Asset acquisition exit capitalization rate. + References No definition available. + Details
Name: | akr_AssetAcquisitionExitCapitalizationRate
Namespace Prefix: | akr_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

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- Definition Rental rate per square foot on buildings. + References No definition available. + Details
Name: | akr_RentalRatePerSquareFootOnBuildings
Namespace Prefix: | akr_
Data Type: | srt-types:perUnitItemType
Balance Type: | na
Period Type: | duration

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- Definition Rental rate per square foot on ground lease. + References No definition available. + Details
Name: | akr_RentalRatePerSquareFootOnGroundLease
Namespace Prefix: | akr_
Data Type: | srt-types:perUnitItemType
Balance Type: | na
Period Type: | duration

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_RealEstateLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel3Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |