SEGMENT INFORMATION - Schedule of Reconciliation of Operating Income (Loss) to Adjusted Operating Income (Loss) (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2026	Mar. 31, 2025
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Operating income (loss)	$ 236,416	$ 172,593
Interest expense	(42,525)	(35,256)
Other income, net	6,640	2,616
Income before income taxes	200,531	139,953
Operating Segments
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Operating income (loss)	275,937	232,098
Operating Segments \| Tinder
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Operating income (loss)	215,924	193,348
Operating Segments \| Hinge
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Operating income (loss)	56,112	28,625
Operating Segments \| Evergreen & Emerging
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Operating income (loss)	21,496	6,678
Operating Segments \| MG Asia
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Operating income (loss)	(17,595)	3,447
Corporate and Unallocated Costs
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Operating income (loss)	$ (39,521)	$ (59,505)

Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.

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