XML 74 R58.htm IDEA: XBRL DOCUMENT v3.25.0.1

DIVESTITURES (Details) - USD ($) $ in Thousands			12 Months Ended
	Dec. 31, 2024	Oct. 01, 2024	Dec. 31, 2024
DIVESTITURES
Gain on the sale of business			$ 4,532
Disposed of by sale | Automation business line
DIVESTITURES
Consideration		$ 27,000
Paid in cash	$ 2,100	20,000
Amount held in escrow		7,000
Amount of consideration receivable	$ 1,900		1,900
Gain on the sale of business			4,500
Disposal Group, Not Discontinued Operation, Disposition Expenses			$ 2,900
Disposed of by sale | Automation business line | Amount released upon receipt of consent, delivery of a notice or entering into a spin-off arrangement.
DIVESTITURES
Amount to be released from escrow		4,000
Disposed of by sale | Automation business line | Amount released upon achieving a revenue target
DIVESTITURES
Amount to be released from escrow		$ 3,000

X

- Definition

Amount of consideration to be held in Escrow upon the disposal of assets and liabilities, including discontinued operation.

+ References

No definition available.

+ Details

Name:	iii_DisposalGroupIncludingDiscontinuedOperationAmountToBeHeldInEscrow
Namespace Prefix:	iii_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Amount of consideration to be released from escrow upon the disposal of assets and liabilities, including discontinued operation.

+ References

No definition available.

+ Details

Name:	iii_DisposalGroupIncludingDiscontinuedOperationAmountToBeReleaseFromEscrow
Namespace Prefix:	iii_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Amount of consideration receivable which were earlier placed in escrow upon satisfaction of the contractual requirements relating to divestiture of business.

+ References

No definition available.

+ Details

Name:	iii_DisposalGroupIncludingDiscontinuedOperationsReceivablesFromDivestitureEarlierPlacedInEscrow
Namespace Prefix:	iii_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Amount of disposition expenses recognized on the sale or disposal of a disposal group by the entity during the reporting period. Excludes discontinued operations.

+ References

No definition available.

+ Details

Name:	iii_DisposalGroupNotDiscontinuedOperationDispositionExpenses
Namespace Prefix:	iii_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Amount of consideration received or receivable for the disposal of assets and liabilities, including discontinued operation.

+ References

No definition available.

+ Details

Name:	us-gaap_DisposalGroupIncludingDiscontinuedOperationConsideration
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Amount before tax of gain (loss) recognized on the sale or disposal of a disposal group. Excludes discontinued operations.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 230
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 28
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-28

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 360
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482099/360-10-50-3

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 360
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 5
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482130/360-10-45-5

+ Details

Name:	us-gaap_DisposalGroupNotDiscontinuedOperationGainLossOnDisposal
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

Name:	us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The cash inflow associated with the amount received from the sale of a portion of the company's business, for example a segment, division, branch or other business, during the period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 12
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-12

+ Details

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

X

- Details

Name:	us-gaap_DisposalGroupClassificationAxis=us-gaap_DisposalGroupDisposedOfBySaleNotDiscontinuedOperationsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis=iii_AutomationBusinessLineMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

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

X

- Details

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