XML 77 R67.htm IDEA: XBRL DOCUMENT v3.22.1

Noncontrolling Interest (Details)	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
TCI
Noncontrolling Interest [Line Items]
Ownership interest	78.40%	78.40%	78.40%
IOR
Noncontrolling Interest [Line Items]
Ownership interest	81.10%	81.10%	81.10%

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

X

- Definition

The parent entity's interest in net assets of the subsidiary, expressed as a percentage.

+ References

No definition available.

+ Details

Name:	us-gaap_MinorityInterestOwnershipPercentageByParent
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

X

- Details

Name:	srt_OwnershipAxis=arl_TranscontinentalRealtyInvestorsIncMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_OwnershipAxis=arl_IncomeOpportunityRealtyInvestorsIncMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: