XML 93 R80.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Subsequent Events - Narrative (Details) $ in Thousands |  | 12 Months Ended
--- | --- | ---
Mar. 07, 2018 USD ($) ft² Properties | Dec. 31, 2017 USD ($) ft² Properties | Dec. 31, 2016 ft² Properties | Dec. 31, 2015 Properties
Subsequent Event [Line Items] |  |  |  |
Area of real estate property |  | 501,276 | 322,326 |
Subsequent Event [Member] |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Gain on sale of investment real estate | $ | $ 18,945 |  |  |
Retail Site [Member] |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Number of properties sold | Properties |  |  | 28 | 11
Area of real estate property |  | 12,444,703 | 12,155,909 |
Retail Site [Member] | Subsequent Event [Member] |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Gross Disposition Price | $ | $ 96,500 |  |  |
Retail Site [Member] | Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Gross Disposition Price | $ |  | $ 186,380 |  |
Number of properties sold | Properties |  | 7 |  |
Area of real estate property |  | 1,558,000 |  |
Retail Site [Member] | Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | Subsequent Event [Member] |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Number of properties sold | Properties | 2 |  |  |
Area of real estate property | 725,000 |  |  |
IAGM Retail Fund I, LLC [Member] | Retail Site [Member] | Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | Subsequent Event [Member] |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Gross Disposition Price | $ | $ 38,000 |  |  |
Number of properties sold | Properties | 1 |  |  |
Area of real estate property | 265,000 |  |  |

X
- Definition Discontinued operation, gross disposition price + References No definition available. + Details
Name: | ivtp_DiscontinuedOperationGrossDispositionPrice
Namespace Prefix: | ivtp_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Number Of Disposed Properties + References No definition available. + Details
Name: | ivtp_NumberOfDisposedProperties
Namespace Prefix: | ivtp_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Area of a real estate property. + References No definition available. + Details
Name: | us-gaap_AreaOfRealEstateProperty
Namespace Prefix: | us-gaap_
Data Type: | num:areaItemType
Balance Type: | na
Period Type: | instant

X
- Definition The net gain (loss) resulting from sales and other disposals of real estate owned for investment purposes. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04.14(d)) -URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882 + Details
Name: | us-gaap_GainsLossesOnSalesOfInvestmentRealEstate
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event. + References No definition available. + Details
Name: | us-gaap_SubsequentEventLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis=us-gaap_RetailSiteMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DisposalGroupClassificationAxis=us-gaap_DisposalGroupDisposedOfBySaleNotDiscontinuedOperationsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis=ivtp_IAGMRetailFundILLCMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |