XML 43 R26.htm IDEA: XBRL DOCUMENT v2.4.1.9

Mortgage Indebtedness - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		12 Months Ended	0 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Dec. 31, 2014	Jan. 27, 2015	Apr. 13, 2015
Mortgage Loans on Real Estate [Line Items]
Cash paid for interest	$ 4,199us-gaap_InterestPaid	$ 1,354us-gaap_InterestPaid
Mortgage indebtedness, carrying amount	422,613us-gaap_MortgageLoansOnRealEstateCarryingAmountOfMortgages		400,509us-gaap_MortgageLoansOnRealEstateCarryingAmountOfMortgages
Sponsor
Mortgage Loans on Real Estate [Line Items]
Debt	38,075us-gaap_LongTermDebt / us-gaap_DebtInstrumentAxis = irt_SponsorMember		38,075us-gaap_LongTermDebt / us-gaap_DebtInstrumentAxis = irt_SponsorMember
Cash paid for interest			238us-gaap_InterestPaid / us-gaap_DebtInstrumentAxis = irt_SponsorMember
Third Parties
Mortgage Loans on Real Estate [Line Items]
Debt	383,313us-gaap_LongTermDebt / us-gaap_DebtInstrumentAxis = irt_ThirdPartyMember		360,902us-gaap_LongTermDebt / us-gaap_DebtInstrumentAxis = irt_ThirdPartyMember
Weighted Average
Mortgage Loans on Real Estate [Line Items]
Mortgage indebtedness, effective interest rate	3.60%us-gaap_MortgageLoansOnRealEstateInterestRate / us-gaap_RangeAxis = us-gaap_WeightedAverageMember		3.60%us-gaap_MortgageLoansOnRealEstateInterestRate / us-gaap_RangeAxis = us-gaap_WeightedAverageMember
Iron Rock Ranch
Mortgage Loans on Real Estate [Line Items]
Mortgage indebtedness, effective interest rate	3.40%us-gaap_MortgageLoansOnRealEstateInterestRate / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = irt_IronRockRanchMember			3.40%us-gaap_MortgageLoansOnRealEstateInterestRate / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = irt_IronRockRanchMember
Mortgage indebtedness, carrying amount	22,900us-gaap_MortgageLoansOnRealEstateCarryingAmountOfMortgages / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = irt_IronRockRanchMember			22,900us-gaap_MortgageLoansOnRealEstateCarryingAmountOfMortgages / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = irt_IronRockRanchMember
Mortgage indebtedness, maturity date	Feb. 01, 2025			Feb. 01, 2025
Subsequent event | Stonebridge At The Ranch
Mortgage Loans on Real Estate [Line Items]
Mortgage indebtedness, effective interest rate					3.20%us-gaap_MortgageLoansOnRealEstateInterestRate / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = irt_StonebridgeAtTheRanchMember / us-gaap_SubsequentEventTypeAxis = us-gaap_SubsequentEventMember
Mortgage indebtedness, carrying amount					$ 20,527us-gaap_MortgageLoansOnRealEstateCarryingAmountOfMortgages / us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis = irt_StonebridgeAtTheRanchMember / us-gaap_SubsequentEventTypeAxis = us-gaap_SubsequentEventMember
Mortgage indebtedness, maturity date					May 01, 2025

X

- Definition

The amount of cash paid for interest during the period.

+ References

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

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X

- Definition

Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

+ References

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X

- Definition

Stated maturity date of the mortgage loan receivable on real estate, in CCYY-MM-DD format.

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-Name Accounting Standards Codification

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- Definition

The carrying amount of the outstanding balance due under the mortgage loan.

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- Definition

The stated interest rate on the mortgage loan receivable or the weighted average interest rate on a group of loans.

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