Line of Credit Facility, Extension Option, Period

No definition available.

Name:	ivtp_LineofCreditFacilityExtensionOptionPeriod
Namespace Prefix:	ivtp_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Line of Credit Facility, Number of Extension Options

+ References

No definition available.

+ Details

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Namespace Prefix:	ivtp_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

[Line Items] for Mortgages Payable [Table]

+ References

No definition available.

+ Details

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Namespace Prefix:	ivtp_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- References

No definition available.

+ Details

Name:	ivtp_NumberOfInterestRateSwaps
Namespace Prefix:	ivtp_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Number of Tranches

+ References

No definition available.

+ Details

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Namespace Prefix:	ivtp_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Amount of short-term and long-term debt and lease obligation.

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+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Face (par) amount of debt instrument at time of issuance.

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+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentTerm
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Balance Type:	na
Period Type:	duration

- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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+ Details

Name:	us-gaap_LineOfCredit
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Details

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Namespace Prefix:
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Balance Type:
Period Type:

- Details

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Period Type:

- Details

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Period Type:

- Details

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Balance Type:
Period Type:

- Details

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Balance Type:
Period Type:

- Details

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Period Type:

- Details

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Period Type:

Debt - Narrative (Details)	Sep. 22, 2021 USD ($) extension tranche	Dec. 31, 2021 USD ($) interest_rate_swap	Dec. 31, 2020 USD ($) interest_rate_swap	Dec. 21, 2018 USD ($)
Mortgages Payable [Line Items]
Debt, net		$ 533,082,000	$ 555,109,000
Number of tranches \| tranche	2
Number of interest rate swaps \| interest_rate_swap		4	4
Mortgages
Mortgages Payable [Line Items]
Long-term debt, net		$ 105,574,000	$ 106,728,000
Unsecured Debt \| Term Loan
Mortgages Payable [Line Items]
Long-term debt, net		396,508,000	$ 398,381,000
Debt instrument, face amount	$ 400,000,000
Unsecured Debt \| Term Loan, Tranche One
Mortgages Payable [Line Items]
Debt instrument, face amount	$ 200,000,000
Debt instrument, term	5 years
Unsecured Debt \| Term Loan, Tranche Two
Mortgages Payable [Line Items]
Debt instrument, face amount	$ 200,000,000
Debt instrument, term	5 years 6 months
Revolving line of credit \| Revolving Credit Facility, Amended and Restated
Mortgages Payable [Line Items]
Line of credit		$ 31,000,000
Maximum borrowing capacity	$ 350,000,000			$ 350,000,000
Number of extension options \| extension	2
Extension option	6 months