XML 95 R83.htm IDEA: XBRL DOCUMENT
v3.19.2

Shareholders' Equity, Noncontrolling Interests and Other Comprehensive Income - Summary of Change in Noncontrolling Interest (Parenthetical) (Details) - $ / shares | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2019 | Jun. 30, 2018 | Jun. 30, 2019 | Jun. 30, 2018
Minority Interest [Line Items] |  |  |  |
Distributions declared (in dollars per share) | $ 0.28 | $ 0.27 | $ 0.56 | $ 0.54
Conversion of Common OP Units to Common Shares by limited partners of the Operating Partnership (in shares) | 33,289 | 28,512 | 207,818 | 64,638
Operating Partnership, as General Partner or Managing Member |  |  |  |
Minority Interest [Line Items] |  |  |  |
Series A Preferred OP Units (in shares) | 3,320,325 | 3,331,440 | 3,320,325 | 3,331,440
Operating Partnership, as General Partner or Managing Member | Series A Preferred Stock |  |  |  |
Minority Interest [Line Items] |  |  |  |
Series A Preferred OP Units (in shares) | 188 | 188 | 188 | 188
Operating Partnership, as General Partner or Managing Member | Series C Preferred Stock |  |  |  |
Minority Interest [Line Items] |  |  |  |
Series A Preferred OP Units (in shares) | 136,593 | 136,593 | 136,593 | 136,593
LTIP Units |  |  |  |
Minority Interest [Line Items] |  |  |  |
LTIP units outstanding (in shares) | 2,715,679 | 2,606,221 | 2,715,679 | 2,606,221

X
- Definition Share based compensation, convertible feature, operating partnership units, shares converted to common stock. + References No definition available. + Details
Name: | akr_ShareBasedCompensationConvertibleFeatureOperatingPartnershipUnitsSharesConvertedToCommonStock
Namespace Prefix: | akr_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Share-based compensation, units outstanding. + References No definition available. + Details
Name: | akr_ShareBasedCompensationUnitsOutstanding
Namespace Prefix: | akr_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Aggregate dividends declared during the period for each share of common stock outstanding. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -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_CommonStockDividendsPerShareDeclared
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of limited partner units outstanding. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -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://fasb.org/us-gaap/role/ref/legacyRef -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 + Details
Name: | us-gaap_LimitedPartnersCapitalAccountUnitsOutstanding
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
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_MinorityInterestLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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

X
- Details
Name: | us-gaap_StatementClassOfStockAxis=us-gaap_SeriesAPreferredStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementClassOfStockAxis=us-gaap_SeriesCPreferredStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardTypeAxis=akr_LtipUnitsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |