XML 63 R52.htm IDEA: XBRL DOCUMENT
v3.20.2

Notes Receivable, Net - Schedule of Notes Receivable (Parenthetical) (Details) $ in Thousands | Sep. 30, 2020 USD ($) NotesReceivable | Apr. 01, 2020 | Dec. 31, 2019 USD ($) | Mar. 28, 2018 | Nov. 16, 2017
--- | --- | --- | --- | --- | ---
Accounts Notes And Loans Receivable [Line Items] |  |  |  |  |
Number of notes receivable | NotesReceivable | 8 |  |  |  |
Notes receivable | $ 135,708 |  | $ 114,943 |  |
Core Portfolio |  |  |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |  |  |
Number of notes receivable | NotesReceivable | 6 |  |  |  |
Notes receivable | $ 96,794 |  | $ 76,467 |  |
Equity method investment, ownership percentage by third party |  |  | 24.78% | 14.11% | 38.89%
Core Portfolio | Brandywine Portfolio |  |  |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |  |  |
Notes receivable | $ 38,700 |  | $ 38,700 |  |
Equity method investment, ownership percentage by third party | 24.78% | 24.78% |  |  |
OP Unit Holders | Core Portfolio |  |  |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |  |  |
Number of notes receivable | NotesReceivable | 2 |  |  |  |
Notes receivable | $ 6,500 |  | $ 6,500 |  |

X
- Definition Equity method investment ownership percentage by third party. + References No definition available. + Details
Name: | akr_EquityMethodInvestmentOwnershipPercentageByThirdParty
Namespace Prefix: | akr_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number of notes receivable. + References No definition available. + Details
Name: | akr_NumberOfNotesReceivable
Namespace Prefix: | akr_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- 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_AccountsNotesAndLoansReceivableLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount, before allowance for credit loss, of financing receivable. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 5 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=119407570&loc=SL82919230-210447 + Details
Name: | us-gaap_NotesReceivableGross
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=akr_CorePortfolioMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=akr_BrandywinePortfolioMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PartnerTypeOfPartnersCapitalAccountAxis=akr_OperatingPartnershipUnitHoldersMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |