SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Disaggregation of Revenue [Line Items]
Total Direct Revenue	$ 3,364,504	$ 3,188,843	$ 2,983,277
Direct Revenue
Disaggregation of Revenue [Line Items]
Total Direct Revenue	3,308,131	3,130,221	2,922,871
Direct Revenue | Tinder
Disaggregation of Revenue [Line Items]
Total Direct Revenue	1,917,629	1,794,467	1,649,757
Direct Revenue | Hinge
Disaggregation of Revenue [Line Items]
Total Direct Revenue	396,485	283,668	196,538
Direct Revenue | Match Group Asia
Disaggregation of Revenue [Line Items]
Total Direct Revenue	302,591	321,714	268,642
Direct Revenue | Evergreen & Emerging
Disaggregation of Revenue [Line Items]
Total Direct Revenue	691,426	730,372	807,934
Indirect Revenue (principally advertising revenue)
Disaggregation of Revenue [Line Items]
Total Direct Revenue	56,373	58,622	60,406
Americas | Direct Revenue
Disaggregation of Revenue [Line Items]
Total Direct Revenue	1,744,586	1,629,069	1,512,057
Europe | Direct Revenue
Disaggregation of Revenue [Line Items]
Total Direct Revenue	933,413	848,886	821,827
APAC and Other | Direct Revenue
Disaggregation of Revenue [Line Items]
Total Direct Revenue	$ 630,132	$ 652,266	$ 588,987