XML 52 R41.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Organization, Basis of Presentation and Summary of Significant Accounting Policies - Schedule of Operating Partnership's Equity Interest (Details) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2018 USD ($)
Fund II and Mervyns II |
Variable Interest Entity [Line Items] |
Operating Partnership Share of Capital | 28.33%
Capital called | $ 347.1
Unfunded Commitment | $ 0.0
Equity Interest Held By Operating Partnership | 28.33%
Preferred Return | 8.00%
Total distributions | $ 131.6
Fund III |
Variable Interest Entity [Line Items] |
Operating Partnership Share of Capital | 24.54%
Capital called | $ 411.5
Unfunded Commitment | $ 38.5
Equity Interest Held By Operating Partnership | 24.54%
Preferred Return | 6.00%
Total distributions | $ 551.9
Fund IV |
Variable Interest Entity [Line Items] |
Operating Partnership Share of Capital | 23.12%
Capital called | $ 412.7
Unfunded Commitment | $ 117.3
Equity Interest Held By Operating Partnership | 23.12%
Preferred Return | 6.00%
Total distributions | $ 131.5
Fund V |
Variable Interest Entity [Line Items] |
Operating Partnership Share of Capital | 20.10%
Capital called | $ 45.8
Unfunded Commitment | $ 474.2
Equity Interest Held By Operating Partnership | 20.10%
Preferred Return | 6.00%
Total distributions | $ 0.0

X
- Definition Limited Liability Company (LLC) Or Limited Partnership (LP), Managing Member Or General Partner, Ownership Share Of Capital + References No definition available. + Details
Name: | akr_LimitedLiabilityCompanyLLCOrLimitedPartnershipLPManagingMemberOrGeneralPartnerOwnershipShareOfCapital
Namespace Prefix: | akr_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Limited Liability Company Llc Or Limited Partnership Lp Members Or Limited Partners, Preferred Return + References No definition available. + Details
Name: | akr_LimitedLiabilityCompanyLLCOrLimitedPartnershipLPMembersOrLimitedPartnersPreferredReturn
Namespace Prefix: | akr_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount of unfunded commitments for which the entity is obligated, to those certain investments for which net asset value per share is calculated (including by unit, membership interest, or other equity (ownership interest) unit measure) (alternative investments). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 6A -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=66048111&loc=SL6742756-110258 + Details
Name: | us-gaap_FairValueInvestmentsEntitiesThatCalculateNetAssetValuePerShareUnfundedCommittments
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Percentage investment held by the managing member or general partner of the limited liability company (LLC) or limited partnership (LP). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 272 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6373374&loc=d3e70478-108055 + Details
Name: | us-gaap_LimitedLiabilityCompanyLLCOrLimitedPartnershipLPManagingMemberOrGeneralPartnerOwnershipInterest
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Total contributions made by each class of partners (i.e., general, limited and preferred partners). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 4.F) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 + Details
Name: | us-gaap_PartnersCapitalAccountContributions
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Total distributions to each class of partners (i.e., general, limited and preferred partners). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 5 -Subparagraph (SAB Topic 4.F) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187171-122770 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 + Details
Name: | us-gaap_PartnersCapitalAccountDistributions
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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

X
- Details
Name: | dei_LegalEntityAxis=akr_FundIiAndMervynsIiMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=akr_FundIiiMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=akr_FundIvMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=akr_FundVMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |