XML 42 R30.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Summary of Acquisitions (Detail) $ in Thousands | 6 Months Ended
--- | ---
Jun. 30, 2018 USD ($) Property
Business Acquisition [Line Items] |  |
Units | Property | 1,263 |
Contract Price | $ | $ 131,248 |
Creekside Corners | Atlanta, GA |  |
Business Acquisition [Line Items] |  |
Date of Purchase | Jan. 03, 2018 | [1]
Units | Property | 444 | [1]
Contract Price | $ | $ 43,901 | [1]
Hartshire Lakes | Indianapolis, IN |  |
Business Acquisition [Line Items] |  |
Date of Purchase | Jan. 03, 2018 | [1]
Units | Property | 272 | [1]
Contract Price | $ | $ 27,597 | [1]
The Chelsea | Columbus, OH |  |
Business Acquisition [Line Items] |  |
Date of Purchase | Jan. 04, 2018 |
Units | Property | 312 |
Contract Price | $ | $ 36,750 |
Avalon Oaks | Columbus, OH |  |
Business Acquisition [Line Items] |  |
Date of Purchase | Feb. 27, 2018 |
Units | Property | 235 |
Contract Price | $ | $ 23,000 |
[1] | These properties were acquired as the last phase of our acquisition of a nine-community portfolio, totaling 2,352 units, which we agreed to acquire on September 3, 2017 for a total purchase price of $228,144.

X
- Definition The number of units in a real estate property acquired. + References No definition available. + Details
Name: | irt_NumberOfUnitsInRealEstatePropertyAcquired
Namespace Prefix: | irt_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Payments to acquire real estate including transaction fees. + References No definition available. + Details
Name: | irt_PaymentsToAcquireRealEstateIncludingTransactionFees
Namespace Prefix: | irt_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Date when the acquirer obtains control of the acquiree, in CCYY-MM-DD format. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 25 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=84229725&loc=d3e848-128460 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 25 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=84229725&loc=d3e845-128460 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463 + Details
Name: | us-gaap_BusinessAcquisitionEffectiveDateOfAcquisition1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

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

X
- Details
Name: | us-gaap_BusinessAcquisitionAxis=irt_CreeksideCornersMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementGeographicalAxis=stpr_GA
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BusinessAcquisitionAxis=irt_HartshireLakesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementGeographicalAxis=stpr_IN
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BusinessAcquisitionAxis=irt_TheChelseaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementGeographicalAxis=stpr_OH
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BusinessAcquisitionAxis=irt_AvalonOaksMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |