EARNINGS PER SHARE - Summary (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2021	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Numerator: Basic
Net earnings from continuing operations	$ (168,724)	$ 130,901	$ 140,020	$ 173,848	$ 148,635	$ 140,113	$ 141,397	$ 157,534	$ 276,045	$ 587,679	$ 517,340
Net loss (earnings) attributable to noncontrolling interests									1,169	(59,599)	(103,401)
Net earnings from continuing operations attributable to Match Group, Inc. shareholders									277,214	528,080	413,939
Earnings (loss) from discontinued operations, net of tax	0	0	509	0	0	508	(34,611)	(331,967)	509	(366,070)	49,187
Net earnings (loss) attributable to noncontrolling interests of discontinued operations									0	319	(9,288)
Net earnings (loss) from discontinued operations attributable to shareholders									509	(365,751)	39,899
Net earnings attributable to Match Group, Inc. shareholders	(168,632)	131,210	140,895	174,250	149,035	141,207	74,917	(202,830)	277,723	162,329	453,838
Numerator: Diluted
Net earnings from continuing operations	(168,724)	130,901	140,020	173,848	148,635	140,113	141,397	157,534	276,045	587,679	517,340
Net loss (earnings) attributable to noncontrolling interests									1,169	(59,599)	(103,401)
Impact from subsidiaries' dilutive securities of continuing operations(a)									(993)	(9,999)	(25,997)
Interest on dilutive Exchangeable Notes, net of income tax									6,616	16,300	5,791
Net earnings from continuing operations attributable to Match Group, Inc. shareholders									282,837	534,381	393,733
Earnings (loss) from discontinued operations, net of tax	$ 0	$ 0	$ 509	$ 0	$ 0	$ 508	$ (34,611)	$ (331,967)	509	(366,070)	49,187
Net earnings (loss) attributable to noncontrolling interests of discontinued operations									0	319	(9,288)
Impact from subsidiaries’ dilutive securities of discontinued operations									0	(240)	(67)
Net earnings (loss) from discontinued operations attributable to shareholders									509	(365,991)	39,832
Net earnings attributable to Match Group, Inc. shareholders									$ 283,346	$ 168,390	$ 433,565
Denominator: Basic
Basic weighted average common shares outstanding (shares)									275,004	223,433	181,869
Denominator: Diluted
Basic weighted average common shares outstanding (shares)									275,004	223,433	181,869
Dilutive securities (shares)									13,866	12,157	10,129
Dilutive shares from Exchangeable Notes, if-converted (shares)									15,970	20,430	9,784
Dilutive weighted average common shares outstanding (shares)					307,582				304,840	256,020	201,782
Earnings (loss) per share:
Earnings per share from continuing operations - basic (USD per share)	$ (0.60)	$ 0.47	$ 0.52	$ 0.65	$ 0.56	$ 0.54	$ 0.61	$ 0.69	$ 1.01	$ 2.36	$ 2.28
(Loss) earnings per share from continuing operations - diluted (USD per share)									0	(1.64)	0.22
Earnings per share from discontinued operations, net of tax - basic (USD per share)	(0.60)	0.47	0.52	0.65	0.56	0.54	0.41	(1.11)	1.01	0.73	2.50
Earnings per share from discontinued operations, net of tax - diluted (USD per share)	(0.60)	0.43	0.46	0.57	0.50	0.47	0.54	0.61	0.93	2.09	1.95
(Loss) earnings per share attributable to Match Group, Inc. shareholders - basic (USD per share)									0	(1.43)	0.20
Earnings per share attributable to Match Group, Inc. shareholders - diluted (USD per share)	$ (0.60)	$ 0.43	$ 0.46	$ 0.57	$ 0.50	$ 0.47	$ 0.36	$ (1.00)	$ 0.93	$ 0.66	$ 2.15
Exchangeable Notes | 2030 Exchangeable Notes
Antidilutive Securities Excluded from Computation of Earnings Per Share
Potentially dilutive securities excluded from the calculation of diluted earnings per share (in shares)									6,800		2,500
Stock Options, Warrants, and Subsidiary Denominated Equity
Antidilutive Securities Excluded from Computation of Earnings Per Share
Potentially dilutive securities excluded from the calculation of diluted earnings per share (in shares)									900	13,400	15,700
Market based awards and performance based options and units
Antidilutive Securities Excluded from Computation of Earnings Per Share
Potentially dilutive securities excluded from the calculation of diluted earnings per share (in shares)									1,000	400	400