XML 60 R50.htm IDEA: XBRL DOCUMENT
v3.25.1

Real Estate Activity - Schedule of Construction Costs (Details) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2025 USD ($) property
Real Estate [Line Items] |
Number of units in real estate property | property | 906
Total Project Cost | $ 206,814
Costs Incurred | $ 119,038
Alera |
Real Estate [Line Items] |
Number of units in real estate property | property | 240
Total Project Cost | $ 55,330
Costs Incurred | $ 43,901
Bandera Ridge |
Real Estate [Line Items] |
Number of units in real estate property | property | 216
Total Project Cost | $ 49,603
Costs Incurred | $ 35,692
Merano |
Real Estate [Line Items] |
Number of units in real estate property | property | 216
Total Project Cost | $ 51,910
Costs Incurred | $ 34,323
Mountain Creek |
Real Estate [Line Items] |
Number of units in real estate property | property | 234
Total Project Cost | $ 49,971
Costs Incurred | $ 5,122

X
- Definition Real Estate, Development Costs Incurred + References No definition available. + Details
Name: | arl_RealEstateDevelopmentCostsIncurred
Namespace Prefix: | arl_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The number of units in a real estate property owned as of the balance sheet date. + References No definition available. + Details
Name: | us-gaap_NumberOfUnitsInRealEstateProperty
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Amount of real estate investment property which may include the following: (1) land available-for-sale; (2) land available-for-development; (3) investments in building and building improvements; (4) tenant allowances; (5) developments in-process; (6) rental properties; and (7) other real estate investments. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(1)(d)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478777/944-210-S99-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(1)(6)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478777/944-210-S99-1 + Details
Name: | us-gaap_RealEstateInvestmentPropertyAtCost
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
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 Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 976 -SubTopic 310 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147477332/976-310-50-1 + Details
Name: | us-gaap_RealEstateLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=arl_AleraMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=arl_BanderaRidgeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=arl_MeranoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=arl_MountainCreekMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |