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Disposed Properties (Details) - property	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Discontinued Operations and Disposal Groups [Abstract]
Number of properties disposed of	0	0

X

- Definition

Disposal Group, Not Discontinued Operation, Number Of Properties Disposed Of

+ References

No definition available.

+ Details

Name:	ivt_DisposalGroupNotDiscontinuedOperationNumberOfPropertiesDisposedOf
Namespace Prefix:	ivt_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	us-gaap_DiscontinuedOperationsAndDisposalGroupsAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration