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Label	Element	Value
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest, Adjusted Balance	us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAdjustedBalance1	$ 1,918,478,000
Disposition, Accounts Payable, Acquired Lease Intangibles, and Other Liabilities	ivtp_DispositionAccountsPayableAcquiredLeaseIntangiblesandOtherLiabilities	(893,000)
Disposition, Accounts Payable, Acquired Lease Intangibles, and Other Liabilities	ivtp_DispositionAccountsPayableAcquiredLeaseIntangiblesandOtherLiabilities	(9,102,000)
Recognition of Partially Deferred Gains on Property Sales	ivtp_RecognitionofPartiallyDeferredGainsonPropertySales	12,756,000
Recognition of Partially Deferred Gains on Property Sales	ivtp_RecognitionofPartiallyDeferredGainsonPropertySales	0
Business Combination, Contingent Consideration, Liability	us-gaap_BusinessCombinationContingentConsiderationLiability	2,224,000
Business Combination, Contingent Consideration, Liability	us-gaap_BusinessCombinationContingentConsiderationLiability	3,151,000
AOCI Attributable to Parent [Member]
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest, Adjusted Balance	us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAdjustedBalance1	1,670,000
Common Stock [Member]
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest, Adjusted Balance	us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAdjustedBalance1	$ 773,000
Shares, Issued	us-gaap_SharesIssued	774,293,197
Accumulated Distributions in Excess of Net Income [Member]
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest, Adjusted Balance	us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAdjustedBalance1	$ (3,765,877,000)
Additional Paid-in Capital [Member]
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest, Adjusted Balance	us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAdjustedBalance1	5,681,912,000
Accounting Standards Update 2017-05 [Member] | Accumulated Distributions in Excess of Net Income [Member]
Cumulative Effect of New Accounting Principle in Period of Adoption	us-gaap_CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption	12,756,000	[1]
Accounting Standards Update 2016-01 [Member] | AOCI Attributable to Parent [Member]
Cumulative Effect of New Accounting Principle in Period of Adoption	us-gaap_CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption	(275,000)	[1]
Accounting Standards Update 2016-01 [Member] | Accumulated Distributions in Excess of Net Income [Member]
Cumulative Effect of New Accounting Principle in Period of Adoption	us-gaap_CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption	$ 275,000	[1]
[1] See Note 2. Recently Issued Accounting Pronouncements Adopted

X

- Definition

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- Definition

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+ References

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-Publisher FASB
-Name Accounting Standards Codification
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+ References

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Amount of stockholders' equity including the portion attributable to noncontrolling interests, after the cumulative effect adjustment of a new accounting principle applied in the period of adoption.

+ References

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