XML 90 R79.htm IDEA: XBRL DOCUMENT v3.20.2

Shareholders' Equity, Noncontrolling Interests and Other Comprehensive Loss - Common Shares and Units - Additional Information (Details) - USD ($) $ in Millions	6 Months Ended		12 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019
Restricted shares
Class Of Stock [Line Items]
Restricted stock, shares canceled for tax withholding for share based compensation (in shares)	2,075		2,468
LTIP Units and Restricted Stock
Class Of Stock [Line Items]
Unit based compensation expense	$ 4.2	$ 3.7	$ 8.8

X

- Definition

Long term incentive and share based compensation expense.

+ References

No definition available.

+ Details

Name:	akr_LongTermIncentiveAndShareBasedCompensationExpense
Namespace Prefix:	akr_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Restricted stock, shares canceled for tax withholding for share based compensation.

+ References

No definition available.

+ Details

Name:	akr_RestrictedStockSharesCanceledForTaxWithholdingForShareBasedCompensation
Namespace Prefix:	akr_
Data Type:	xbrli:sharesItemType
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

- Details

Name:	us-gaap_AwardTypeAxis=us-gaap_RestrictedStockMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_AwardTypeAxis=akr_LtipUnitsAndRestrictedStockMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: