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Stock-Based Compensation - Schedule of Performance Objective for Applicable Performance Period (Details) - IBC Hotels LLC [Member]	9 Months Ended
	Oct. 31, 2015 USD ($)
Exercisable Tranche A [Member]
Performance Period	Jan. 31, 2016
Performance objective	$ 60,000
Exercisable Tranche A and B [Member]
Performance Period	Jan. 31, 2017
Performance objective	$ 200,000
Exercisable Tranche A, B and C [Member]
Performance Period	Jan. 31, 2018
Performance objective	$ 400,000

X

- Definition

Pre Tax Profit.

+ References

No definition available.

+ Details

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Namespace Prefix:	IHT_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Date the equity-based award expires, in CCYY-MM-DD format.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)(2)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

+ Details

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Period Type:	duration

X

- Details

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X

- Details

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- Details

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- Details

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