Threshold number of industrial unencumbered properties under the debt instrument.

No definition available.

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

- Definition

The fixed charge coverage ratio to be maintained under the debt instrument covenant.

+ References

No definition available.

+ Details

Name:	indt_DebtInstrumentFixedChargeCoverageRatio
Namespace Prefix:	indt_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	duration

- Definition

The minimum borrowing base under the debt instrument covenant.

+ References

No definition available.

+ Details

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

- Definition

Renewal term under the debt instrument arrangement.

+ References

No definition available.

+ Details

Name:	indt_DebtInstrumentRenewalTerm
Namespace Prefix:	indt_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of extension to the debt instrument term.

+ References

No definition available.

+ Details

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

- Definition

Threshold percentage of maximum leverage ratio of total indebtedness total assets under the debt instrument covenant.

+ References

No definition available.

+ Details

Name:	indt_DebtInstrumentThresholdPercentageOfMaximumLeverageRatioOfTotalDebtToAssets
Namespace Prefix:	indt_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the line of credit facility consolidated tangible net worth.

+ References

No definition available.

+ Details

Name:	indt_LineOfCreditFacilityConsolidatedTangibleNetWorth
Namespace Prefix:	indt_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Percentage of aggregate increases in the shareholder's equity for calculation of consolidated tangible net worth under the debt instrument.

+ References

No definition available.

+ Details

Name:	indt_LineOfCreditFacilityConsolidatedTangibleNetWorthPercentageOfIncreaseInEquity
Namespace Prefix:	indt_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

The aggregate borrowing capacity under the credit facility, consisting of the maximum borrowing capacity plus the contingent increase, if any one or more of the existing banks or new banks agree to provide such increased commitment amount.

+ References

No definition available.

+ Details

Name:	indt_LineOfCreditFacilityContingentIncreaseAggregateMaximumBorrowingCapacity
Namespace Prefix:	indt_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Maximum percentage of loan to value.

+ References

No definition available.

+ Details

Name:	indt_MaximumPercentageOfLoanToValue
Namespace Prefix:	indt_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Minimum debt service coverage ratio.

+ References

No definition available.

+ Details

Name:	indt_MinimumDebtServiceCoverageRatio
Namespace Prefix:	indt_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	duration

- Definition

The number of buildings, such as office or industrial/warehouse, used as collateral for a debt instrument.

+ References

No definition available.

+ Details

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

- Definition

The number of mortgage loans repaid.

+ References

No definition available.

+ Details

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

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
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_DebtInstrumentLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

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

- Definition

The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

+ References

No definition available.

+ Details

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

- Definition

Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility.

+ 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 210.5-02.19(b),22(b))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

+ Details

Name:	us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity
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

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

- Details

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

- Details

Name:	us-gaap_VariableRateAxis=us-gaap_LondonInterbankOfferedRateLIBORMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=indt_SecuredRevolvingCreditFacilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_StatementScenarioAxis=indt_DebtInstrumentCovenantsConditionsThroughMarch312022Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_StatementScenarioAxis=indt_DebtInstrumentCovenantsConditionsThroughJune302022Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_StatementScenarioAxis=indt_DebtInstrumentCovenantsConditionsThroughDecember312022Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_StatementScenarioAxis=indt_DebtInstrumentCovenantsConditionsThroughMarch312023Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_StatementScenarioAxis=indt_DebtInstrumentCovenantsConditionsFromDecember312022ToDecember312023Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_StatementScenarioAxis=indt_DebtInstrumentCovenantsConditionsFromJune302021ToDecember312023Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_StatementScenarioAxis=indt_DebtInstrumentCovenantsConditionsThroughDecember312023Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=us-gaap_RevolvingCreditFacilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=indt_AcquisitionCreditLineFacilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Revolving Credit Agreements (Details) $ in Thousands				1 Months Ended	12 Months Ended
Revolving Credit Agreements (Details) $ in Thousands	Dec. 01, 2021 loan	Aug. 05, 2021 USD ($) property item	Mar. 17, 2021 USD ($) building	Jun. 30, 2020	Dec. 31, 2021 USD ($)
Revolving credit agreement
Term of debt				10 years	1 year
Maximum percentage of loan to value					65.00%
Minimum debt service coverage ratio					1.25
Number of Non Recourse Mortgage Loans Repaid \| loan	2
International Drive Buildings [Member]
Revolving credit agreement
Number of buildings used as collateral \| building			2
LIBOR
Revolving credit agreement
Variable interest rate margin (as a percent)				2.56%
New Credit Facility
Revolving credit agreement
Maximum borrowing capacity		$ 100,000
Term of debt		3 years
Number of extension term \| item		2
Renewal term		1 year
Increased line of credit		$ 250,000
Tangible net worth		$ 319,149
Percentage of aggregate increases in the shareholder's equity		75.00%
Threshold percentage of maximum leverage ratio of total indebtedness total assets		60.00%
Line of credit borrowings					$ 91,472
Standby letters of credit aggregate amount					$ 3,034
New Credit Facility \| Through March 31, 2022
Revolving credit agreement
Fixed charge coverage ratio		1.25
New Credit Facility \| Through June 30, 2022
Revolving credit agreement
Fixed charge coverage ratio		1.50
New Credit Facility \| Through December 31, 2022
Revolving credit agreement
Threshold percentage of maximum leverage ratio of total indebtedness total assets		50.00%
Minimum borrowing base		$ 30,000
New Credit Facility \| Through March 31, 2023
Revolving credit agreement
Threshold percentage of maximum leverage ratio of total indebtedness total assets		40.00%
New Credit Facility \| From December 31, 2022 to December 31, 2023
Revolving credit agreement
Minimum borrowing base		$ 50,000
New Credit Facility \| From June 30, 2021 to December 31, 2023
Revolving credit agreement
Threshold number of industrial unencumbered properties \| property		5
New Credit Facility \| Through December 31, 2023
Revolving credit agreement
Minimum borrowing base		$ 100,000
Threshold number of industrial unencumbered properties \| property		8
New Credit Facility \| LIBOR
Revolving credit agreement
Variable interest rate margin (as a percent)		1.20%
Webster Credit Line
Revolving credit agreement
Maximum borrowing capacity			$ 19,500
Increased line of credit			35,000
Webster Credit Line \| LIBOR
Revolving credit agreement
Variable interest rate margin (as a percent)		2.50%
Acquisition Credit Line
Revolving credit agreement
Maximum borrowing capacity			$ 15,000
Acquisition Credit Line \| LIBOR
Revolving credit agreement
Variable interest rate margin (as a percent)		2.75%