Business combination recognized identifiable assets acquired and liabilities assumed construction in progress.

No definition available.

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- Definition

Business combination recognized identifiable assets acquired and liabilities assumed cumulative investment in real estate.

+ References

No definition available.

+ Details

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- Definition

Ground leases.

+ References

No definition available.

+ Details

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- Definition

Investment in real estate and other acquired assets and assumed liabilities.

+ References

No definition available.

+ Details

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- Definition

Amount of identifiable finite-lived intangible asset acquired in business combination and recognized at acquisition date.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 805
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479907/805-20-50-2

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 805
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-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479907/805-20-50-1

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- Definition

The current period expense charged against earnings on long-lived, physical assets not used in production, and which are not intended for resale, to allocate or recognize the cost of such assets over their useful lives; or to record the reduction in book value of an intangible asset over the benefit period of such asset; or to reflect consumption during the period of an asset that is not used in production.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 45
-Paragraph 28
-Subparagraph (b)
-SubTopic 10
-Topic 230
-Publisher FASB
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-Section 50
-Paragraph 1
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482099/360-10-50-1

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- Definition

Remaining lease term of operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 7A
-Subparagraph (c)
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-URI https://asc.fasb.org/1943274/2147478964/842-20-50-7A

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478964/842-20-50-3

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Balance Type:	na
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- Definition

Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 5
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479041/842-20-45-5

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
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-Section 50
-Paragraph 4
-Subparagraph (g)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478964/842-20-50-4

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Balance Type:	credit
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- Definition

Amount of lessee's right to use underlying asset under operating lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479041/842-20-45-1

+ Details

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Balance Type:	debit
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- Details

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- Details

Name:	us-gaap_BusinessAcquisitionAxis=acr_InvestmentsInRealEstateEquityMember
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- Details

Name:	us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=acr_ManagementContractMember
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- Details

Name:	us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_FranchiseRightsMember
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Data Type:	na
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- Details

Name:	us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_CustomerListsMember
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- Details

Name:	us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=acr_PlaceLeaseIntangibleMember
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- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_LandMember
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- Details

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- Details

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INVESTMENTS IN REAL ESTATE AND OTHER ACQUIRED ASSETS AND ASSUMED LIABILITIES (Schedule of Acquired Assets and Assumed Liabilities (Parenthetical) (Details) - USD ($)	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025	Dec. 31, 2025
Investment In Real Estate And Other Acquired Assets And Assumed Liabilities [Line Items]
Depreciation expense	$ 19,000	$ 18,000
Right of use assets	$ 19,415,000		$ 19,545,000
Operating lease, remaining lease term	98 years
Lease Expense	$ 40,000	39,000
Land Lease
Investment In Real Estate And Other Acquired Assets And Assumed Liabilities [Line Items]
Operating lease, remaining lease term	90 years
Lease Expense	$ 720,000	700,000
Investments In Real Estate Equity
Investment In Real Estate And Other Acquired Assets And Assumed Liabilities [Line Items]
Depreciation expense	635,000	$ 551,000
Right of use assets	18,573,000		18,641,000
Investments In Real Estate Equity \| Management Contract
Investment In Real Estate And Other Acquired Assets And Assumed Liabilities [Line Items]
Carrying value intangible assets	2,500,000		2,600,000
Investments In Real Estate Equity \| Franchise Rights
Investment In Real Estate And Other Acquired Assets And Assumed Liabilities [Line Items]
Carrying value intangible assets	3,400,000		3,500,000
Investments In Real Estate Equity \| Customer Lists
Investment In Real Estate And Other Acquired Assets And Assumed Liabilities [Line Items]
Carrying value intangible assets	54,000		87,000
Investments In Real Estate Equity \| Place Lease Intangible
Investment In Real Estate And Other Acquired Assets And Assumed Liabilities [Line Items]
Carrying value intangible assets	6,000		7,000
Investments In Real Estate Equity \| Land
Investment In Real Estate And Other Acquired Assets And Assumed Liabilities [Line Items]
Investments in real estate	1,000,000		15,200,000
Construction inprogress in real estate	646,000		3,700,000
Investments In Real Estate From Lending Activities
Investment In Real Estate And Other Acquired Assets And Assumed Liabilities [Line Items]
Right of use assets	323,000		336,000
Ground leases	44,900,000
Acquired Ground Lease
Investment In Real Estate And Other Acquired Assets And Assumed Liabilities [Line Items]
Right of use assets	18,400,000		18,400,000
Parking Lease
Investment In Real Estate And Other Acquired Assets And Assumed Liabilities [Line Items]
Right of use assets	$ 311,000		$ 322,000