Name:	iaret_EquityMethodInvestmentsDebtMaturitiesRepaymentsofPrincipalInNextTwelveMonths
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Period Type:	instant

Equity Method Investments Long Term Debt

No definition available.

Name:	iaret_EquityMethodInvestmentsLongTermDebt
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Data Type:	xbrli:monetaryItemType
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Amount of long term debt, sinking fund requirements, and other securities redeemable at fixed or determinable prices and dates maturing after the fifth fiscal year following the latest fiscal year for equity method investments.

No definition available.

Name:	iaret_EquityMethodInvestmentsLongTermDebtMaturitiesRepaymentsofPrincipalAfterFiveYears
Namespace Prefix:	iaret_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Amount of long term debt, sinking fund requirements, and other securities redeemable at fixed or determinable prices and dates maturing in the fifth fiscal year following the latest fiscal year for equity method investments.

No definition available.

Name:	iaret_EquityMethodInvestmentsLongTermDebtMaturitiesRepaymentsofPrincipalinYearFive
Namespace Prefix:	iaret_
Data Type:	xbrli:monetaryItemType
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Period Type:	instant

Amount of long term debt, sinking fund requirements, and other securities redeemable at fixed or determinable prices and dates maturing in the fourth fiscal year following the latest fiscal year for equity method investments.

No definition available.

Name:	iaret_EquityMethodInvestmentsLongTermDebtMaturitiesRepaymentsofPrincipalinYearFour
Namespace Prefix:	iaret_
Data Type:	xbrli:monetaryItemType
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Period Type:	instant

Amount of long term debt, sinking fund requirements, and other securities redeemable at fixed or determinable prices and dates maturing in the third fiscal year following the latest fiscal year for equity method investments.

No definition available.

Name:	iaret_EquityMethodInvestmentsLongTermDebtMaturitiesRepaymentsofPrincipalinYearThree
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Data Type:	xbrli:monetaryItemType
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Period Type:	instant

Amount of long term debt, sinking fund requirements, and other securities redeemable at fixed or determinable prices and dates maturing in the second fiscal year following the latest fiscal year for equity method investments.

No definition available.

Name:	iaret_EquityMethodInvestmentsLongTermdebtMaturitiesRepaymentsofPrincipalInYearTwo
Namespace Prefix:	iaret_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Recourse Debt

No definition available.