XML 15 R59.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2

Notes Receivable, Net - Schedule of Notes Receivable (Parenthetical) (Details) $ in Thousands	Dec. 31, 2019 USD ($) NotesReceivable	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Notes receivable, net	$ 114,943	$ 111,775	$ 160,991	$ 283,125
OP Unit Holders
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Number of notes receivable | NotesReceivable	2
Notes receivable, net	$ 6,500	$ 4,800

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:	srt_MortgageLoansOnRealEstateLineItems
Namespace Prefix:	srt_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Amount of investment in mortgage loan on real estate by entity with substantial portion of business acquiring and holding investment real estate or interest in real estate.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 948
-SubTopic 310
-Section S99
-Paragraph 1
-Subparagraph (SX 210.12-29(Column G))
-URI http://asc.fasb.org/extlink&oid=6589523&loc=d3e617274-123014

+ Details

Name:	us-gaap_MortgageLoansOnRealEstate
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Details

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