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Commitments and Contingencies - Additional Information (Details) - USD ($) $ in Millions	1 Months Ended	3 Months Ended
	Dec. 31, 2021	Sep. 30, 2025
Long Term Purchase Commitment [Line Items]
Purchase commitment amount		$ 0.0
Microsoft
Long Term Purchase Commitment [Line Items]
Purchase commitment amount	$ 110.0
Purchase commitment, end date	2028-12
Purchase commitment, option to extend remaining commitment term	12 months
Purchase commitment, option to extend remaining commitment date	2029-12
Purchase commitment, remaining		$ 71.3

X

- Definition

Long term purchase commitment end date.

+ References

No definition available.

+ Details

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Namespace Prefix:	inta_
Data Type:	xbrli:gYearMonthItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Long term purchase commitment, option to extend remaining commitment date.

+ References

No definition available.

+ Details

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Namespace Prefix:	inta_
Data Type:	xbrli:gYearMonthItemType
Balance Type:	na
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X

- Definition

Long term purchase commitment option to extend remaining commitment term.

+ References

No definition available.

+ Details

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X

- Definition

The minimum amount the entity agreed to spend under the long-term purchase commitment.

+ References

No definition available.

+ Details

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

X

- 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

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
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- Definition

Minimum amount to be expended to satisfy the terms of arrangements in which the entity has agreed to expend funds to procure goods or services, excluding long-term purchase commitments or unconditional purchase obligations.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 942
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(17))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(25))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

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