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v3.3.1.900

REAL ESTATE (Details 1) | 12 Months Ended
--- | ---
Dec. 31, 2015
Land Improvements [Member] | Minimum [Member] |
Useful life | 25 years
Land Improvements [Member] | Maximum [Member] |
Useful life | 40 years
Buildings And Improvements [Member] | Minimum [Member] |
Useful life | 10 years
Buildings And Improvements [Member] | Maximum [Member] |
Useful life | 40 years
Furniture, Fixtures And Equipment [Member] | Minimum [Member] |
Useful life | 3 years
Furniture, Fixtures And Equipment [Member] | Maximum [Member] |
Useful life | 7 years
Tenant Improvements [Member] |
Description on useful life | Shorter of useful life or terms of related lease.

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- Definition Additional information disclosed pertaining to property, plant and equipment. + References No definition available. + Details
Name: | us-gaap_PropertyPlantAndEquipmentAdditionalDisclosures
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment. + References No definition available. + Details
Name: | us-gaap_PropertyPlantAndEquipmentUsefulLife
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis=us-gaap_LandImprovementsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | us-gaap_RangeAxis=us-gaap_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | us-gaap_RangeAxis=us-gaap_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis=us-gaap_BuildingImprovementsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis=us-gaap_FurnitureAndFixturesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis=arl_TenantImprovementsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |