The area of the building.

No definition available.

Name:	indt_AreaOfBuilding
Namespace Prefix:	indt_
Data Type:	num:areaItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the area of land to be acquired.

+ References

No definition available.

+ Details

Name:	indt_AreaOfLandToBeAcquired
Namespace Prefix:	indt_
Data Type:	num:areaItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the number of planned development buildings.

+ References

No definition available.

+ Details

Name:	indt_NumberOfPlannedDevelopmentBuildings
Namespace Prefix:	indt_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of real estate investment property not including that held for sale, net of accumulated depreciation, which may include the following: (1) land available-for-development; (2) investments in building and building improvements; (3) tenant allowances; (4) developments in-process; (5) rental properties; and (6) other real estate investments.

+ References

No definition available.

+ Details

Name:	indt_RealEstateInvestmentPropertyNotHeldForSaleNet
Namespace Prefix:	indt_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Carrying amount as of the balance sheet date of value of below market lease real estate investment asset.

+ References

No definition available.

+ Details

Name:	indt_RealEstateInvestmentsValueOfBelowMarketLease
Namespace Prefix:	indt_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Carrying amount as of the balance sheet date of value of in place lease real estate investment asset.

+ References

No definition available.

+ Details

Name:	indt_RealEstateInvestmentsValueOfInPlaceLease
Namespace Prefix:	indt_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Represents the sale price of land and related assets.

+ References

No definition available.

+ Details

Name:	indt_SalePriceOfLand
Namespace Prefix:	indt_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Area of land held.

+ References

No definition available.

+ Details

Name:	us-gaap_AreaOfLand
Namespace Prefix:	us-gaap_
Data Type:	num:areaItemType
Balance Type:	na
Period Type:	instant

- Definition

Amount of escrow deposit disbursements related to property acquisition in noncash investing or financing transactions.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=121583591&loc=d3e4332-108586

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=121583591&loc=d3e4313-108586

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=121583591&loc=d3e4304-108586

+ Details

Name:	us-gaap_EscrowDepositDisbursementsRelatedToPropertyAcquisition1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- 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
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3602-108585

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=109226691&loc=d3e2921-110230

+ Details

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

- Definition

Aggregate of the carrying amounts as of the balance sheet date of investments in building and building improvements.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03.1(d))
-URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910

+ Details

Name:	us-gaap_InvestmentBuildingAndBuildingImprovements
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount before accumulated depletion of real estate held for productive use, excluding land held for sale.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.13)
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section 45
-Paragraph 4
-Subparagraph (e)
-URI http://asc.fasb.org/extlink&oid=121566466&loc=d3e6812-107765

+ Details

Name:	us-gaap_Land
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount before accumulated deprecation and depletion of additions or improvements to real estate held for productive use. Examples include, but are not limited to, walkways, driveways, fences, and parking lots.

+ References

No definition available.

+ Details

Name:	us-gaap_LandImprovements
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The cash outflow from the acquisition of a piece of land and anything permanently fixed to it, including buildings, structures on it and so forth, and payments to develop real estate assets by adding improvements on or to a parcel of land. Such improvements may include drainage, utilities, subdividing, access, buildings, and any combination of these elements. Including real estate intended to generate income for the owner; excluding real estate acquired for use by the owner.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 13
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3213-108585

+ Details

Name:	us-gaap_PaymentsToAcquireAndDevelopRealEstate
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

- Definition

Carrying amount as of the balance sheet date of improvements having a life longer than one year that were made for the benefit of one or more tenants.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03.1(f))
-URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910

+ Details

Name:	us-gaap_TenantImprovements
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Details

Name:	srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=indt_RealEstateAssetsAcquiredIn2021Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=indt_InterstateDrive2850Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=indt_TuckaseegeeRoad7800Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=indt_CharlotteBuildToSuitMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=indt_FarmBureauRoad6355Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=indt_UndevelopedLandInOrlandoMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=indt_OfficeOrFlexBuildingsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Real Estate Assets - 2021 Acquisitions (Details) $ in Thousands						3 Months Ended	9 Months Ended
	Oct. 01, 2021 a ft²	Aug. 05, 2021 USD ($) ft²	Jun. 28, 2021 USD ($) ft²	May 12, 2021 USD ($) ft²	Apr. 13, 2021 USD ($) a ft² building	Sep. 30, 2021 USD ($)	Sep. 30, 2021 USD ($)	Dec. 31, 2020 USD ($)
Real Estate Properties [Line Items]
Land						$ 47,290	$ 47,290	$ 33,084
Land improvements						47,483	47,483	45,827
Buildings and improvements						284,042	284,042	233,250
Tenant improvements						35,204	35,204	34,899
Real estate assets, net						343,815	343,815	$ 242,321
Impairment charges						3,000	3,000
2021 Acquisitions
Real Estate Properties [Line Items]
Land						14,796	14,796
Land improvements						1,731	1,731
Buildings and improvements						60,686	60,686
Tenant improvements						380	380
Value of in-place lease						2,938	2,938
Value of below market lease						(2,577)	(2,577)
Real estate assets, net						77,954	$ 77,954
2850 Interstate
Real Estate Properties [Line Items]
Area of building \| ft²		139,500
Sale price of land		$ 17,866
7800 Tuckaseegee
Real Estate Properties [Line Items]
Land		2,369
Land improvements		416
Buildings and improvements		14,703
Tenant improvements		48
Value of in-place lease		558
Value of below market lease		(228)
Real estate assets, net		$ 17,866
Area of building \| ft²			395,000
Cash paid for real estate			$ 42,502
Charlotte Build to Suit
Real Estate Properties [Line Items]
Area of building \| ft²	141,000
Area of land \| a	44
6355 Farm Bureau
Real Estate Properties [Line Items]
Land			4,606
Land improvements			927
Buildings and improvements			35,947
Tenant improvements			200
Value of in-place lease			1,462
Value of below market lease			(640)
Real estate assets, net			$ 42,502
Area of building \| ft²				128,000
Cash paid for real estate				$ 11,928
Jetport Land
Real Estate Properties [Line Items]
Land				2,163	$ 5,658
Land improvements				388
Buildings and improvements				10,036
Tenant improvements				132
Value of in-place lease				918
Value of below market lease				(1,709)
Real estate assets, net				$ 11,928	$ 5,658
Area of land \| a					14
Sale price of land					$ 5,658
Escrow deposit disbursements related to property acquisition					$ 1,993
Number of planned development buildings \| building					2
Area of land to be acquired \| ft²					195,000
Office Or Flex Buildings
Real Estate Properties [Line Items]
Impairment charges						$ 3,000