XML 99 R88.htm IDEA: XBRL DOCUMENT
v3.21.2

Shareholders' Equity, Noncontrolling Interests and Other Comprehensive Loss - Preferred OP Units - Additional Information (Details) - $ / shares | 3 Months Ended | 6 Months Ended | 12 Months Ended | 66 Months Ended |
--- | --- | --- | --- | --- | ---
Jun. 30, 2021 | Jun. 30, 2021 | Dec. 31, 2020 | Dec. 31, 2016 | Jun. 30, 2021 | Jun. 30, 2020
Class of Stock [Line Items] |  |  |  |  |  |
Series A Preferred OP Units (in shares) | 3,101,958 | 3,101,958 |  |  | 3,101,958 |
Denominator for Series A Preferred OP Unit conversion | $ 7.50 | $ 7.50 |  |  | $ 7.50 |
Common Shares |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |
Issuance of common shares, net of issuance costs (in Shares) | 2,072 | 2,072 |  |  |  |
Gotham Plaza | Common Shares |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |
Issuance of common shares, net of issuance costs (in Shares) |  |  |  | 442,478 |  |
Preferred quarterly distribution per share price |  |  |  | $ 0.9375 |  |
Number of convertible units if share price below $28.80 (in shares) |  |  |  | 3.4722 |  |
Number of convertible units if share price above $35.20 (in shares) |  |  |  | 2.8409 |  |
Operating Partnership, as General Partner or Managing Member |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |
Series A Preferred OP Units (in shares) |  |  |  |  |  | 3,101,958
Preferred OP Units |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |
Issuance of common shares, net of issuance costs (in Shares) |  | 0 | 0 |  |  |
Preferred OP Units | Gotham Plaza |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |
Issuance of common shares, net of issuance costs (in Shares) |  |  |  | 141,593 |  |
Share price (in dollars per share) |  |  |  | $ 100.00 |  |
Preferred OP Units | Gotham Plaza | Minimum |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |
Share price at conversion date |  |  |  | 28.80 |  |
Preferred OP Units | Gotham Plaza | Maximum |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |
Share price at conversion date |  |  |  | $ 35.20 |  |
Series A Preferred Stock |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |
Issuance of common shares, net of issuance costs (in Shares) |  | 1,580 |  |  |  |
Preferred stock, stated value per unit | $ 1,000 | $ 1,000 |  |  | 1,000 |
Per unit conversion amount, Series A Preferred OP Units (in dollars per unit) | $ 22.50 | $ 22.50 |  |  | $ 22.50 |
Per unit conversion annual rate, Preferred OP Units | 9.00% | 9.00% |  |  | 9.00% |
Number of preferred OP Units converted (in shares) |  | 1,392 |  |  |  |
Units converted from Preferred OP Units (in shares) |  | 185,600 |  |  |  |
Series A Preferred OP Units (in shares) | 188 | 188 |  |  | 188 | 188
Series A Preferred Stock | Operating Partnership, as General Partner or Managing Member |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |
Series A Preferred OP Units (in shares) | 188 | 188 |  |  | 188 |
Series C Preferred Stock | Gotham Plaza |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |
Number of preferred OP Units converted (in shares) |  |  |  |  | 15,000 |
Units converted from Preferred OP Units (in shares) |  |  |  |  | 51,887 |
Series C Preferred Stock | Operating Partnership, as General Partner or Managing Member |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |
Series A Preferred OP Units (in shares) | 126,593 | 126,593 |  |  | 126,593 | 126,593

X
- Definition Denominator for Series A Preferred OP Unit conversion per share. + References No definition available. + Details
Name: | akr_DenominatorForSeriesPreferredOPUnitConversionPerShare
Namespace Prefix: | akr_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number of Common OP Units converted from Preferred OP Units. + References No definition available. + Details
Name: | akr_NumberOfCommonOPUnitsConvertedFromPreferredOPUnits
Namespace Prefix: | akr_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of convertible units of share price falls above upper price limit. + References No definition available. + Details
Name: | akr_NumberOfConvertibleUnitsOfSharePriceFallsAboveUpperPriceLimit
Namespace Prefix: | akr_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of convertible units of share price falls below lower price limit. + References No definition available. + Details
Name: | akr_NumberOfConvertibleUnitsOfSharePriceFallsBelowLowerPriceLimit
Namespace Prefix: | akr_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of Preferred OP Units converted. + References No definition available. + Details
Name: | akr_NumberOfPreferredOPUnitsConverted
Namespace Prefix: | akr_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Per unit conversion amount, Preferred OP Units. + References No definition available. + Details
Name: | akr_PerUnitConversionAmountPreferredOPUnits
Namespace Prefix: | akr_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition Per unit conversion annual rate, Preferred OP Units. + References No definition available. + Details
Name: | akr_PerUnitConversionAnnualRatePreferredOPUnits
Namespace Prefix: | akr_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Preferred quarterly distribution per share price. + References No definition available. + Details
Name: | akr_PreferredQuarterlyDistributionPerSharePrice
Namespace Prefix: | akr_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Share price at conversion date. + References No definition available. + Details
Name: | akr_SharePriceAtConversionDate
Namespace Prefix: | akr_
Data Type: | num:perShareItemType
Balance Type: | na
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_ClassOfStockLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
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=120397183&loc=d3e187171-122770 + Details
Name: | us-gaap_LimitedPartnersCapitalAccountUnitsOutstanding
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Face amount or stated value per share of preferred stock nonredeemable or redeemable solely at the option of the issuer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(28)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
Name: | us-gaap_PreferredStockParOrStatedValuePerShare
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition Price of a single share of a number of saleable stocks of a company. + References No definition available. + Details
Name: | us-gaap_SharePrice
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number of new stock issued during the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(29)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21463-112644 Reference 3: 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=120397183&loc=d3e187085-122770 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(28)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
Name: | us-gaap_StockIssuedDuringPeriodSharesNewIssues
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_StatementEquityComponentsAxis=us-gaap_CommonStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

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

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

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
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: |