XML 54 R41.htm IDEA: XBRL DOCUMENT v3.23.2

FINANCIAL INSTRUMENTS AND FAIR VALUE MEASUREMENTS - Realized and Unrealized Gains and Losses (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Adjustments to the Carrying Value of Equity Securities Without Readily Determinable Fair Values
Upward adjustments (gross unrealized pre-tax gains)	$ 2,227	$ 0	$ 2,227	$ 0
Downward adjustments including impairments (gross unrealized pre-tax losses)	(373)	(22,376)	(1,195)	(22,376)
Total	1,854	(22,376)	1,032	(22,376)
Equity Securities without Readily Determinable Fair Values, Realized and Unrealized Gains (Losses)
Realized pre-tax gains (losses), net, for equity securities sold	993	(6)	1,000	462
Unrealized pre-tax gains (losses), net, on equity securities held	1,854	(22,376)	1,032	(22,376)
Total pre-tax gains (losses), net recognized	$ 2,847	$ (22,382)	$ 2,032	$ (21,914)

X

- Definition

Equity Securities without Readily Determinable Fair Value, Gain (Loss)

+ References

No definition available.

+ Details

Name:	iaci_EquitySecuritiesWithoutReadilyDeterminableFairValueGainLoss
Namespace Prefix:	iaci_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Equity Securities without Readily Determinable Fair Value, Realized Gain (Loss)

+ References

No definition available.

+ Details

Name:	iaci_EquitySecuritiesWithoutReadilyDeterminableFairValueRealizedGainLoss
Namespace Prefix:	iaci_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Equity Securities without Readily Determinable Fair Value, Realized Gains (Losses)

+ References

No definition available.

+ Details

Name:	iaci_EquitySecuritiesWithoutReadilyDeterminableFairValueRealizedGainsLossesAbstract
Namespace Prefix:	iaci_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Equity Securities without Readily Determinable Fair Value, Unrealized Gain (Loss)

+ References

No definition available.

+ Details

Name:	iaci_EquitySecuritiesWithoutReadilyDeterminableFairValueUnrealizedGainLoss
Namespace Prefix:	iaci_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Equity Securities without Readily Determinable Fair Value, Annual Amount

+ References

No definition available.

+ Details

Name:	iaci_EquitySecuritieswithoutReadilyDeterminableFairValueAnnualAmount
Namespace Prefix:	iaci_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- References

No definition available.

+ Details

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

X

- Definition

Amount of loss from downward price adjustment on investment in equity security without readily determinable fair value.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 321
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479536/321-10-50-3

+ Details

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

X

- Definition

Amount of gain from upward price adjustment on investment in equity security without readily determinable fair value.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 321
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479536/321-10-50-3

+ Details

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