SEGMENT INFORMATION - Narrative (Details) $ in Thousands	3 Months Ended
Sep. 30, 2024 USD ($) segment reporting_unit	Dec. 31, 2023 USD ($)
Segment Reporting [Abstract]
Number of operating segments \| segment	4
Number of reportable segments \| segment	4
Number of reporting units \| reporting_unit	4
Segment Reporting Information [Line Items]
Goodwill	$ 2,319,732	$ 2,342,612
Tinder
Segment Reporting Information [Line Items]
Goodwill	1,500,000
Hinge
Segment Reporting Information [Line Items]
Goodwill	500,000
MG Asia
Segment Reporting Information [Line Items]
Goodwill	100,000
Evergreen & Emerging
Segment Reporting Information [Line Items]
Goodwill	$ 200,000

Amount, after accumulated impairment loss, of asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized.

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- Definition

Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues.

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- Definition

Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

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- Definition

Number of reporting units tested for impairment of goodwill. A reporting unit is an operating segment or one level below an operating segment.

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- 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.

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