SEGMENT AND GEOGRAPHIC INFORMATION - Schedule of Reconciliation of Adjusted Operating Income (Loss) to Earnings before Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Stock-based compensation	$ (267,381)	$ (232,099)	$ (203,880)
Depreciation	(87,499)	(61,807)	(43,594)
Impairments and amortization of intangibles	(74,175)	(47,731)	(366,257)
Interest expense	(160,071)	(159,887)	(145,547)
Other income, net	40,815	19,772	8,033
Earnings from continuing operations, before tax	704,056	776,781	377,491
Tinder
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Depreciation	(37,660)	(25,197)	(15,328)
Impairments and amortization of intangibles	0	0	0
Hinge
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Depreciation	(2,323)	(1,926)	(1,631)
Impairments and amortization of intangibles	0	0	0
Evergreen & Emerging
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Depreciation	(21,732)	(18,732)	(17,971)
Impairments and amortization of intangibles	(27,676)	(12,336)	(53,369)
MG Asia
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Depreciation	(20,834)	(11,671)	(5,277)
Impairments and amortization of intangibles	(46,499)	(35,395)	(312,888)
Operating segments
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Adjusted Operating Income:	1,414,725	1,382,592	1,313,180
Operating segments \| Tinder
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Adjusted Operating Income:	1,017,023	1,049,360	1,027,883
Operating segments \| Hinge
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Adjusted Operating Income:	166,478	107,646	91,148
Operating segments \| Evergreen & Emerging
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Adjusted Operating Income:	170,418	163,796	159,717
Operating segments \| MG Asia
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Adjusted Operating Income:	60,806	61,790	34,432
Corporate and unallocated costs
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Adjusted Operating Income:	$ (162,358)	$ (124,059)	$ (184,444)

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