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Leases - Schedule of Future Minimum Rental Revenues and Payments for Operating and Capital Leases (Parenthetical) (Details) $ in Millions | Dec. 31, 2021 USD ($)
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Leases [Abstract] |
Minimum rental payments of interest related to finance lease | $ 5.9
Minimum rental payments of interest related to operating lease | $ 18.3

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- Definition Future minimum rental payments of interest related to finance lease. + References No definition available. + Details
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Namespace Prefix: | akr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition Future minimum rental payments of interest related to operating lease. + References No definition available. + Details
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Namespace Prefix: | akr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- References No definition available. + Details
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Namespace Prefix: | us-gaap_
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Balance Type: | na
Period Type: | duration