Cumulative priority distributions per unit per year.

No definition available.

Name:	IHT_CumulativePriorityDistributionsPerUnitPerYear
Namespace Prefix:	IHT_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

Maximum investors to purchase units.

+ References

No definition available.

+ Details

Name:	IHT_MaximumInvestorsToPurchaseUnits
Namespace Prefix:	IHT_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Maximum potentially to overallotment exercised.

+ References

No definition available.

+ Details

Name:	IHT_MaximumPotentiallyToOverallotmentExercised
Namespace Prefix:	IHT_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of units sold during period.

+ References

No definition available.

+ Details

Name:	IHT_NumberOfUnitsSoldDuringPeriod
Namespace Prefix:	IHT_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage of hold least outstanding units.

+ References

No definition available.

+ Details

Name:	IHT_PercentageOfHoldLeastOutstandingUnits
Namespace Prefix:	IHT_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Priority return payements.

+ References

No definition available.

+ Details

Name:	IHT_PriorityReturnPayements
Namespace Prefix:	IHT_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Return percentage.

+ References

No definition available.

+ Details

Name:	IHT_ReturnPercentage
Namespace Prefix:	IHT_
Data Type:	num:percentItemType
Balance Type:	na
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/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=6382943&loc=d3e33918-111571

+ Details

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

- Definition

The amount of the distribution per unit of limited partner interest.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187171-122770

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 04
-Paragraph 16
-Subparagraph a, b
-Article 6

+ Details

Name:	us-gaap_PartnersCapitalAccountDistributionPerUnitOfLimitedPartnerInterest
Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

Total units issued during the year due to the sale of units. All partners include general, limited and preferred partners.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 272
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=6373374&loc=d3e70478-108055

+ Details

Name:	us-gaap_PartnersCapitalAccountUnitsSaleOfUnits
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3602-108585

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SAB TOPIC 5.P.3)
-URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140864-122747

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SAB TOPIC 5.P.4(b))
-URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140904-122747

Reference 5: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Staff Accounting Bulletin (SAB)
-Number Topic 5
-Section P
-Subsection 3, 4

+ Details

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

- Definition

The number of units or percentage investment held in the subsidiary by the limited liability company or limited partnership.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 946
-SubTopic 320
-Section S99
-Paragraph 9
-URI http://asc.fasb.org/extlink&oid=50485924&loc=d3e611443-123010

+ Details

Name:	us-gaap_SubsidiaryOfLimitedLiabilityCompanyOrLimitedPartnershipOwnershipInterest
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	us-gaap_StatementClassOfStockAxis=IHT_ClassALimitedPartnershipUnitsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_SubsidiarySaleOfStockAxis=IHT_AlbuquerqueSuiteHospitalityLLCMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_TitleOfIndividualAxis=IHT_UnrelatedUnitHoldersMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_TitleOfIndividualAxis=IHT_TrustMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_TitleOfIndividualAxis=IHT_MrWirthMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_TitleOfIndividualAxis=IHT_OtherPartiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=IHT_OtherPartiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementClassOfStockAxis=IHT_ClassBLimitedPartnershipUnitsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementClassOfStockAxis=IHT_ClassCLimitedPartnershipUnitsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementEquityComponentsAxis=IHT_UnitClassMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	dei_LegalEntityAxis=IHT_RareEarthFinancialLLCMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_TypeOfArrangementAxis=IHT_RestructuringAgreementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Sale of Ownership Interests in Albuquerque Subsidiary (Details Narrative) - USD ($)									12 Months Ended
	Jul. 22, 2010	Jan. 31, 2010	Sep. 15, 2009	Jan. 05, 2009	Sep. 10, 2007	Aug. 18, 2005	Sep. 10, 2002	Jan. 02, 2001	Jan. 31, 2016	Jan. 31, 2015	Dec. 31, 2013	Dec. 31, 2015	Dec. 09, 2013
Percentage of membership interest in a subsidiary committed to purchase by an affiliate									50.10%
Number of units were available for sale		350,000	250,000	300,000	350,000	350,000	350,000	250,000
Class A Limited Partnership Units [Member]
Percentage of membership interest in a subsidiary committed to purchase by an affiliate									2.09%	2.09%
Albuquerque Suite Hospitality, LLC [Member]
Percentage of membership interest in a subsidiary committed to purchase by an affiliate	49.00%
Number of units were available for sale	400
Sale price per unit	$ 10,000												$ 10,000
Maximum investors to purchase units	150
Maximum potentially to overallotment exercised	190
Percentage of hold least outstanding units	50.10%
Return percentage	7.00%
Number of units sold during period	100
Albuquerque Suite Hospitality, LLC [Member] \| Unrelated Unit Holders [Member]
Priority return payements									$ 188,000
Albuquerque Suite Hospitality, LLC [Member] \| Trust [Member]
Priority return payements									195,000
Albuquerque Suite Hospitality, LLC [Member] \| Mr. Wirth [Member]
Priority return payements									$ 1,000
Albuquerque Suite Hospitality, LLC [Member] \| Class A Limited Partnership Units [Member]
Sale price per unit									$ 10,000
Number of units sold during period									2
Percentage of trust held ownwership interest									50.91%
Albuquerque Suite Hospitality, LLC [Member] \| Class A Limited Partnership Units [Member] \| Other Parties [Member]
Number of units sold during period									268
Albuquerque Suite Hospitality, LLC [Member] \| Class A Limited Partnership Units [Member] \| Other Parties [Member]
Percentage of trust held ownwership interest									48.91%
Albuquerque Suite Hospitality, LLC [Member] \| Class B Limited Partnership Units [Member]
Number of units sold during period									279
Percentage of trust held ownwership interest									0.18%
Albuquerque Suite Hospitality, LLC [Member] \| Class C Limited Partnership Units [Member]
Number of units sold during period									1
Percentage of trust held ownwership interest									48.91%
Albuquerque Suite Hospitality, LLC [Member] \| Unit Class [Member]
Return percentage	50.00%										50.00%
Restructuring fee											$ 128,000
Albuquerque Suite Hospitality, LLC [Member] \| Rare Earth Financial, LLC [Member]
Return percentage	50.00%
Albuquerque Suite Hospitality, LLC [Member] \| Restructuring Agreement [Member]
Cumulative priority distributions per unit per year												$ 700