The number of buildings, leaseable lands and easements owned as of the balance sheet date.

No definition available.

Name:	ilpt_NumberOfBuildingsLeasableLandsAndEasementsOwned
Namespace Prefix:	ilpt_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Represents the number of properties acquired or agreed to be acquired by the entity.

+ References

No definition available.

+ Details

Name:	ilpt_NumberOfPropertiesAcquired
Namespace Prefix:	ilpt_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Number Of Properties Impaired

+ References

No definition available.

+ Details

Name:	ilpt_NumberOfPropertiesImpaired
Namespace Prefix:	ilpt_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of Real Estate Properties Held-for-Sale

+ References

No definition available.

+ Details

Name:	ilpt_NumberOfRealEstatePropertiesHeldForSale
Namespace Prefix:	ilpt_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

The number of properties owned as of the balance sheet date.

+ References

No definition available.

+ Details

Name:	ilpt_NumberOfRealEstatePropertiesOwned
Namespace Prefix:	ilpt_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Number Of Real Estate Properties Under Agreement

+ References

No definition available.

+ Details

Name:	ilpt_NumberOfRealEstatePropertiesUnderAgreement
Namespace Prefix:	ilpt_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Number of States Where Real Estate is Located

+ References

No definition available.

+ Details

Name:	ilpt_NumberOfStatesWhereRealEstateIsLocated
Namespace Prefix:	ilpt_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Number of Properties Contributed

+ References

No definition available.

+ Details

Name:	ilpt_NumberofPropertiesContributed
Namespace Prefix:	ilpt_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Real Estate Aggregate Sales Price

+ References

No definition available.

+ Details

Name:	ilpt_RealEstateAggregateSalesPrice
Namespace Prefix:	ilpt_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 825
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 28
-Subparagraph (f)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482907/825-10-50-28

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 323
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (a)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481687/323-10-50-3

+ Details

Name:	us-gaap_EquityMethodInvestmentOwnershipPercentage
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

The charge against earnings in the period to reduce the carrying amount of real property to fair value.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 230
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 28
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-28

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 360
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482099/360-10-50-2

+ Details

Name:	us-gaap_ImpairmentOfRealEstate
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity.

+ References

No definition available.

+ Details

Name:	us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Net rentable area for properties owned.

+ References

No definition available.

+ Details

Name:	us-gaap_NetRentableArea
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:areaItemType
Balance Type:	na
Period Type:	instant

- Definition

Amount of cash outflow to a noncontrolling interest. Includes, but not limited to, reduction of noncontrolling interest ownership. Excludes dividends paid to the noncontrolling interest.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-15

+ Details

Name:	us-gaap_PaymentsToMinorityShareholders
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

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

- Details

Name:	us-gaap_DisposalGroupClassificationAxis=us-gaap_DisposalGroupHeldforsaleNotDiscontinuedOperationsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

- Details

Name:	srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=ilpt_TenancyInCommonMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_CounterpartyNameAxis=ilpt_UnrelatedThirdPartyMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=ilpt_TwelveMainlandPropertiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_ConsolidatedEntitiesAxis=srt_ConsolidatedEntityExcludingVariableInterestEntitiesVIEMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=ilpt_MountainIndustrialREITLLCMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_ConsolidatedEntitiesAxis=srt_PartnershipInterestMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=ilpt_TheIndustrialFundREITLLCMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_StatementGeographicalAxis=stpr_HI
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_StatementGeographicalAxis=ilpt_OtherStatesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_StatementGeographicalAxis=ilpt_SomersetNewJerseyMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_OwnershipAxis=ilpt_UnrelatedThirdPartyMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Real Estate Investments - Narrative (Details) ft² in Thousands, $ in Thousands		3 Months Ended		9 Months Ended
	Oct. 28, 2025 USD ($) property	Sep. 30, 2025 USD ($) ft² property building state	Sep. 30, 2024 USD ($)	Sep. 30, 2025 USD ($) ft² property building state	Sep. 30, 2024 USD ($)
Real Estate Properties [Line Items]
Number of properties owned		411		411
Rentable square feet (in sqft) \| ft²		59,890		59,890
Number of real estate properties sold		3		3
Loss on impairment of real estate \| $		$ 6,081	$ 0	$ 6,081	$ 0
Number of properties impaired				1
Payments to noncontrolling interests \| $				$ 60	326
Disposal Group, Held-for-Sale, Not Discontinued Operations
Real Estate Properties [Line Items]
Rentable square feet (in sqft) \| ft²		867		867
Number of real estate properties sold		3		3
Disposal Group, Held-for-Sale, Not Discontinued Operations \| Subsequent Event
Real Estate Properties [Line Items]
Number of real estate properties under agreement	2
Sales price \| $	$ 51,650
Tenancy in Common \| Unrelated Third Party
Real Estate Properties [Line Items]
Payments to noncontrolling interests \| $		$ 30	$ 163	$ 60	$ 326
Twelve Mainland Properties
Real Estate Properties [Line Items]
Rentable square feet (in sqft) \| ft²		11,726		11,726
Number of states where real estate is located \| state		12		12
Number of properties contributed		18		18
Consolidated Entity, Excluding Consolidated VIE \| Mountain Industrial REIT LLC
Real Estate Properties [Line Items]
Number of properties owned		94		94
Rentable square feet (in sqft) \| ft²		20,978		20,978
Number of states where real estate is located \| state		27		27
Ownership interest (as percent)		61.00%		61.00%
Joint Venture \| The Industrial Fund REIT LLC
Real Estate Properties [Line Items]
Ownership interest (as percent)		22.00%		22.00%
Hawaii
Real Estate Properties [Line Items]
Rentable square feet (in sqft) \| ft²		16,729		16,729
Number of states where real estate is located \| state		39		39
Number of buildings, leasable land parcels easements \| building		226		226
Other States
Real Estate Properties [Line Items]
Number of properties owned		185		185
Rentable square feet (in sqft) \| ft²		43,161		43,161
Number of states where real estate is located \| state		38		38
Somerset, New Jersey \| Tenancy in Common \| Unrelated Third Party
Real Estate Properties [Line Items]
Noncontrolling interest, ownership percentage by noncontrolling owners		33.00%		33.00%
Somerset, New Jersey \| Tenancy in Common \| Unrelated Third Party
Real Estate Properties [Line Items]
Rentable square feet (in sqft) \| ft²		64		64
Ownership interest (as percent)		67.00%		67.00%
Number of properties				1