XML 59 R33.htm IDEA: XBRL DOCUMENT
v2.4.0.8

ORGANIZATION AND BASIS OF PRESENTATION Summary of General Terms and Operating Partnership's Equity Interests (Details) (USD $) In Millions, unless otherwise specified | 9 Months Ended
--- | ---
Sep. 30, 2013
Fund I and Mervyns I |  |
Organization, Consolidation and Presentation of Financial Statements [Line Items] |  |
Operating Partnership Share of Capital | 22.22% | [1]
Committed Capital | $ 90.0 | [1],[2]
Capital Called as of March 31, 2013 | 86.6 | [1],[2]
Ownership Interest By General Partner or Managing Partner | 37.78% | [1]
Preferred Return | 9.00% | [1]
Capital Returned as of March 31, 2013 | 86.6 | [1],[2]
Fund II and Mervyns II |  |
Organization, Consolidation and Presentation of Financial Statements [Line Items] |  |
Operating Partnership Share of Capital | 20.00% |
Committed Capital | 300.0 | [2]
Capital Called as of March 31, 2013 | 300.0 | [2]
Ownership Interest By General Partner or Managing Partner | 20.00% |
Preferred Return | 8.00% |
Capital Returned as of March 31, 2013 | 84.5 | [2]
Fund III |  |
Organization, Consolidation and Presentation of Financial Statements [Line Items] |  |
Operating Partnership Share of Capital | 19.90% |
Committed Capital | 475.0 | [2]
Capital Called as of March 31, 2013 | 353.5 | [2]
Ownership Interest By General Partner or Managing Partner | 19.90% |
Preferred Return | 6.00% |
Capital Returned as of March 31, 2013 | 196.8 | [2]
Fund IV |  |
Organization, Consolidation and Presentation of Financial Statements [Line Items] |  |
Operating Partnership Share of Capital | 23.12% |
Committed Capital | 540.6 | [2]
Capital Called as of March 31, 2013 | 74.0 | [2]
Ownership Interest By General Partner or Managing Partner | 23.12% |
Preferred Return | 6.00% |
Capital Returned as of March 31, 2013 | $ 0 | [2]
[1] | Fund I and Mervyns I have returned all capital and preferred return. The Operating Partnership is now entitled to a Promote on all future cash distributions.
[2] | Represents the total for the Opportunity Funds, including the Operating Partnership and noncontrolling interests' shares.

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
- Details
Name: | akr_OrganizationConsolidationAndPresentationOfFinancialStatementsLineItems
Namespace Prefix: | akr_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount of capital contributed by the general partner. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 272 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6373374&loc=d3e70434-108055 Reference 2: 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 + Details
Name: | us-gaap_GeneralPartnersContributedCapital
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 SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187171-122770 + 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 SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187171-122770 + Details
Name: | us-gaap_PartnersCapitalAccountDistributions
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration