XML 37 R32.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Summary of Each Mortgage (Detail) (USD $) In Thousands, unless otherwise specified | 9 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2013 | Dec. 31, 2012
Mortgage Loans on Real Estate [Line Items] |  |  |
Outstanding Principal | $ 92,284 |  | $ 92,413
Current Interest Rate | 3.70% |  | 3.80%
Crestmont Apartments |  |  |
Mortgage Loans on Real Estate [Line Items] |  |  |
Outstanding Principal | 6,717 |  | 6,750
Current Interest Rate | 5.70% | [1] | 5.70%
Maturity Date | May 01, 2021 |  | May 01, 2021
Interest Terms |  |  | Fixed rate. Interest only payments are due monthly. Beginning May 1, 2013, principal and interest payments are required based on a 30-year amortization schedule.
Interest payment period | Monthly |  | Monthly
Principal date | May 01, 2013 |  | May 01, 2013
Amortization schedule | 30-year amortization schedule |  | 30-year amortization schedule
Cumberland Glen Apartments |  |  |
Mortgage Loans on Real Estate [Line Items] |  |  |
Outstanding Principal | 6,867 |  | 6,900
Current Interest Rate | 5.70% | [1] | 5.70%
Maturity Date | May 01, 2021 |  | May 01, 2021
Interest Terms |  |  | Fixed rate. Interest only payments are due monthly. Beginning May 1, 2013, principal and interest payments are required based on a 30-year amortization schedule.
Interest payment period | Monthly |  | Monthly
Principal date | May 01, 2013 |  | May 01, 2013
Amortization schedule | 30-year amortization schedule |  | 30-year amortization schedule
Copper Mill Apartments |  |  |
Mortgage Loans on Real Estate [Line Items] |  |  |
Outstanding Principal | 7,314 |  | 7,350
Current Interest Rate | 5.70% | [1] | 5.70%
Maturity Date | May 01, 2021 |  | May 01, 2021
Interest Terms |  |  | Fixed rate. Interest only payments are due monthly. Beginning May 1, 2013, principal and interest payments are required based on a 30-year amortization schedule.
Interest payment period | Monthly |  | Monthly
Principal date | May 01, 2013 |  | May 01, 2013
Amortization schedule | 30-year amortization schedule |  | 30-year amortization schedule
Heritage Trace Apartments |  |  |
Mortgage Loans on Real Estate [Line Items] |  |  |
Outstanding Principal | 5,473 |  | 5,500
Current Interest Rate | 5.70% | [1] | 5.70%
Maturity Date | May 01, 2021 |  | May 01, 2021
Interest Terms |  |  | Fixed rate. Interest only payments are due monthly. Beginning May 1, 2013, principal and interest payments are required based on a 30-year amortization schedule.
Interest payment period | Monthly |  | Monthly
Principal date | May 01, 2013 |  | May 01, 2013
Amortization schedule | 30-year amortization schedule |  | 30-year amortization schedule
Belle Creek Apartments |  |  |
Mortgage Loans on Real Estate [Line Items] |  |  |
Outstanding Principal | 10,575 |  | 10,575
Current Interest Rate | 2.40% | [2] | 2.50%
Maturity Date | Apr. 28, 2021 |  | Apr. 28, 2021
Interest Terms |  |  | Fixed rate of interest at 2.5% for the first two years with a floating rate thereafter at 225 basis points over 30-day LIBOR. Interest only
Fixed rate of interest |  |  | 2.50%
Debt Instrument Basis Spread On Variable Rate | 2.25% |  | 2.25%
Debt number of days of LIBOR against interest rate basis | 30-day LIBOR |  | 30-day LIBOR
Tresa At Arrowhead |  |  |
Mortgage Loans on Real Estate [Line Items] |  |  |
Outstanding Principal | 27,500 |  | 27,500
Current Interest Rate | 2.40% | [2] | 2.50%
Maturity Date | Apr. 28, 2021 |  | Apr. 28, 2021
Interest Terms |  |  | Fixed rate of interest at 2.5% for the first two years with a floating rate thereafter at 225 basis points over 30-day LIBOR. Interest only.
Fixed rate of interest |  |  | 2.50%
Debt Instrument Basis Spread On Variable Rate | 2.25% |  | 2.25%
Debt number of days of LIBOR against interest rate basis | 30-day LIBOR |  | 30-day LIBOR
Runaway Bay Apartments |  |  |
Mortgage Loans on Real Estate [Line Items] |  |  |
Outstanding Principal | 10,238 |  | 10,238
Current Interest Rate | 3.60% | [3] | 3.60%
Maturity Date | Nov. 01, 2022 |  | Nov. 01, 2022
Interest Terms |  |  | Fixed Rate. Interest only payments are due monthly. Beginning December 1, 2013, principal and interest payments are required based on a 30-year amortization schedule.
Interest payment period | Monthly |  | Monthly
Principal date | Dec. 01, 2013 |  | Dec. 01, 2013
Amortization schedule | 30-year amortization schedule |  | 30-year amortization schdule
Centrepoint Apartments |  |  |
Mortgage Loans on Real Estate [Line Items] |  |  |
Outstanding Principal | $ 17,600 |  | $ 17,600
Current Interest Rate | 3.70% | [4] | 3.70%
Maturity Date | Jan. 01, 2019 |  | Jan. 01, 2019
Interest Terms |  |  | Fixed rate. Interest only payments are due monthly. Beginning February 1, 2015, principal and interest payments are required based on a 30-year amortization schedule.
Interest payment period | Monthly |  | Monthly
Principal date | Feb. 01, 2015 |  | Feb. 01, 2015
Amortization schedule | 30-year amortization schedule |  | 30-year amortization schedule
[1] | Fixed rate. Interest only payments are due monthly. Beginning May 1, 2013, principal and interest payments are required based on a 30-year amortization schedule.
[2] | Floating rate at 225 basis points over 30-day LIBOR. As of September 30, 2013, 30-day LIBOR was 0.18%. Interest only payments are due monthly.
[3] | Fixed Rate. Interest only payments are due monthly. Beginning December 1, 2013, principal and interest payments are required based on a 30-year amortization schedule.
[4] | Fixed rate. Interest only payments are due monthly. Beginning February 1, 2015, principal and interest payments are required based on a 30-year amortization schedule.

X
- Definition Date the debt agreement requires a change in payment type from interest only to principal and interest. + References No definition available. + Details
Name: | irt_DebtInstrumentDateOfFirstPrincipalAndInterestPayment
Namespace Prefix: | irt_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

X
- Definition Debt number of days of LIBOR against interest rate basis. + References No definition available. + Details
Name: | irt_DebtNumberOfDaysOfLiborAgainstInterestRateBasis
Namespace Prefix: | irt_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Debt weighted average interest rate for the first two years. + References No definition available. + Details
Name: | irt_DebtWeightedAverageInterestRateForFirstTwoYears
Namespace Prefix: | irt_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Frequency of periodic payment for mortgage loans on real. + References No definition available. + Details
Name: | irt_FrequencyOfPeriodicPaymentForMortgageLoansOnRealEstate
Namespace Prefix: | irt_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Mortgage loans on real estate period of amortization schedule. + References No definition available. + Details
Name: | irt_MortgageLoansOnRealEstatePeriodOfAmortizationSchedule
Namespace Prefix: | irt_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage points added to the reference rate to compute the variable rate on the debt instrument. + References No definition available. + Details
Name: | us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Description of the interest rate as being fixed or variable, and, if variable, identification of the index or rate on which the interest rate is based and the number of points or percentage added to that index or rate to set the rate, and other pertinent information, such as frequency of rate resets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_DebtInstrumentInterestRateTerms
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Stated maturity date of the mortgage loan receivable on real estate, in CCYY-MM-DD format. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 10 -Section S99 -Paragraph 6 -Subparagraph (SX 210.5-04.(c) Schedule IV) -URI http://asc.fasb.org/extlink&oid=27047687&loc=d3e5864-122674 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 29 -Article 12 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph c -Subparagraph Schedule IV -Article 5 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 948 -SubTopic 310 -Section S99 -Paragraph 1 -Subparagraph (SX 210.12-29) -URI http://asc.fasb.org/extlink&oid=6589523&loc=d3e617274-123014 + Details
Name: | us-gaap_MortgageLoanOnRealEstateFinalMaturityDate
Namespace Prefix: | us-gaap_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

X
- Definition The carrying amount of the outstanding balance due under the mortgage loan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 10 -Section S99 -Paragraph 6 -Subparagraph (SX 210.5-04.(c) Schedule IV) -URI http://asc.fasb.org/extlink&oid=27047687&loc=d3e5864-122674 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 29 -Article 12 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph c -Subparagraph Schedule IV -Article 5 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 948 -SubTopic 310 -Section S99 -Paragraph 1 -Subparagraph (SX 210.12-29) -URI http://asc.fasb.org/extlink&oid=6589523&loc=d3e617274-123014 + Details
Name: | us-gaap_MortgageLoansOnRealEstateCarryingAmountOfMortgages
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The stated interest rate on the mortgage loan receivable or the weighted average interest rate on a group of loans. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 10 -Section S99 -Paragraph 6 -Subparagraph (SX 210.5-04.(c) Schedule IV) -URI http://asc.fasb.org/extlink&oid=27047687&loc=d3e5864-122674 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 29 -Article 12 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph c -Subparagraph Schedule IV -Article 5 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 948 -SubTopic 310 -Section S99 -Paragraph 1 -Subparagraph (SX 210.12-29) -URI http://asc.fasb.org/extlink&oid=6589523&loc=d3e617274-123014 + Details
Name: | us-gaap_MortgageLoansOnRealEstateInterestRate
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_MortgageLoansOnRealEstateLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration