OTHER ASSETS (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Disclosure of types of insurance contracts [line items]
Interest rate swap agreements	$ 2,139	$ 0
Prepaid software licensing	1,402	1,172
Deposits	272	214
Other	72	26
Other non-current assets	6,998	3,380
Corporate-owned Life Insurance Held in Trust
Disclosure of types of insurance contracts [line items]
Life insurance	2,738	1,629
Officer's Life Insurance
Disclosure of types of insurance contracts [line items]
Life insurance	$ 375	$ 339

The amount of recognised assets arising from insurance contracts. [Refer: Types of insurance contracts [member]]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 4
-IssueDate 2017-01-01
-Paragraph 37
-Subparagraph b
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=4&date=2017-03-01&anchor=para_37_b&doctype=Standard
-URIDate 2017-03-09

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table.

+ References

No definition available.

+ Details

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Namespace Prefix:	ifrs-full_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

The amount of long-term deposits held by the entity.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2017-01-01
-Paragraph 55
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_55&doctype=Standard
-URIDate 2017-03-09

+ Details

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Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The amount of non-current derivative financial assets. [Refer: Derivative financial assets]

+ References

+ Details

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Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The amount of non-current assets that the entity does not separately disclose in the same statement or note. [Refer: Non-current assets]

+ References

+ Details

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- Definition

The amount of non-current non-financial assets that the entity does not separately disclose in the same statement or note. [Refer: Financial assets]

+ References

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Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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- Definition

Non-current Prepaid Software License

+ References

No definition available.

+ Details

Name:	itp_NoncurrentPrepaidSoftwareLicense
Namespace Prefix:	itp_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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- Details

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Namespace Prefix:
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Balance Type:
Period Type:

- Details

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Period Type: