Debt instrument maturity month and year.

No definition available.

Name:	acr_DebtInstrumentMaturityMonthAndYear
Namespace Prefix:	acr_
Data Type:	xbrli:gYearMonthItemType
Balance Type:	na
Period Type:	duration

- Definition

Debt Instrument, Number Of Options To Extend

+ References

No definition available.

+ Details

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Namespace Prefix:	acr_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Debt instrument, term, option to extend.

+ References

No definition available.

+ Details

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Namespace Prefix:	acr_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Line of credit facility, advanced in initial funding.

+ References

No definition available.

+ Details

Name:	acr_LineOfCreditFacilityAdvancedInInitialFunding
Namespace Prefix:	acr_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- 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

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+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Indicates type of variable interest rate on debt instrument.

+ References

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Namespace Prefix:	us-gaap_
Data Type:	enum2:enumerationSetItemType
Balance Type:	na
Period Type:	duration

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

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+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Details

Name:	us-gaap_LongtermDebtTypeAxis=us-gaap_MortgagesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LineOfCreditFacilityAxis=acr_ReadycapCommercialLLCMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LineOfCreditFacilityAxis=acr_FloridaPaceFundingAgencyMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_VariableRateAxis=acr_ThirtyDayAverageSOFRMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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Period Type:

BORROWINGS (Mortgages Payable) (Details) $ in Millions	1 Months Ended
BORROWINGS (Mortgages Payable) (Details) $ in Millions	May 31, 2026 USD ($) Extension	Feb. 28, 2025	Jan. 31, 2023 USD ($)	Oct. 31, 2022	Apr. 30, 2022 USD ($)
Debt Instrument [Line Items]
Debt Instrument, Variable Interest Rate, Type [Extensible Enumeration]			Secured Overnight Financing Rate (SOFR)
Mortgage Payable \| ReadyCap Commercial, LLC
Debt Instrument [Line Items]
Maximum facility amount					$ 20.4
Advanced in initial funding					$ 18.7
Mortgage Payable \| HGM CRE LP
Debt Instrument [Line Items]
Maximum facility amount	$ 23.8
Advanced in initial funding	$ 21.7
Maturity Date	2029-06
Number of options to extend \| Extension	2
Option to extend, term	1 year
Constraction Loan Agreement \| Oceanview Life and Annuity Company
Debt Instrument [Line Items]
Maximum facility amount			$ 48.0
Basis spread on variable rate			6.00%
Maturity Date		2025-09
Constraction Loan Agreement \| Florida Pace Funding Agency
Debt Instrument [Line Items]
Maximum facility amount			$ 15.5
Maturity Date			2053-07
30 Day Average SOFR \| ReadyCap Commercial, LLC
Debt Instrument [Line Items]
Basis spread on variable rate					3.80%
One Month SOFR \| Mortgage Payable \| ReadyCap Commercial, LLC
Debt Instrument [Line Items]
Basis spread on variable rate				3.80%
One Month SOFR \| Mortgage Payable \| HGM CRE LP
Debt Instrument [Line Items]
Basis spread on variable rate	3.50%