CONSOLIDATED STATEMENT OF SHAREHOLDERS' EQUITY (Unaudited) - USD ($) shares in Thousands, $ in Thousands	Total	Match Group and ANGI Homeservices	Redeemable Noncontrolling Interests	Total Match Group Shareholders’ Equity	Total Match Group Shareholders’ Equity Match Group and ANGI Homeservices	Common Stock Common Stock $0.001 Par Value	Common Stock Former IAC Common Stock $0.001 Par Value	Common Stock Former IAC Class B Convertible Common Stock $0.001 Par Value	Additional Paid-in Capital	Additional Paid-in Capital Match Group and ANGI Homeservices	Retained Earnings	Accumulated Other Comprehensive Loss	Accumulated Other Comprehensive Loss Match Group and ANGI Homeservices	Treasury Stock	Noncontrolling Interests	Noncontrolling Interests Match Group and ANGI Homeservices
Balance at beginning of period at Dec. 31, 2018			$ 65,687
Increase (Decrease) in Redeemable Noncontrolling Interests
Net (loss) earnings	$ 57,614		5,895
Other comprehensive (loss) income, net of tax			(149)
Stock-based compensation expense			77
Stock-based compensation expense	129,786			$ 43,055					$ 43,055						$ 86,731
Purchase of redeemable noncontrolling interests			(6,121)
Adjustment of redeemable noncontrolling interests to fair value			10,138
Noncontrolling interests created in an acquisition			5,009
Other			(34)
Balance at end of period at Jun. 30, 2019			80,502
Balance at beginning of period at Dec. 31, 2018	3,551,801			2,843,125			$ 262	$ 16	12,022,387		$ 1,258,794	$ (128,722)		$ (10,309,612)	708,676
Balance at beginning of period (shares) at Dec. 31, 2018							262,303	16,157
Increase (Decrease) in Shareholders' Equity
Net (loss) earnings	253,881			202,162							202,162				51,719
Other comprehensive (loss) income, net of tax	2,550			2,086								2,086			464
Stock-based compensation expense	129,786			43,055					43,055						86,731
Issuance of Former IAC common stock pursuant to stock-based awards, net of withholding taxes	(23,022)			(23,022)			$ 1		(23,023)
Issuance of common stock pursuant to stock-based awards, net of withholding taxes (shares)							486
Issuance of Former Match Group and ANGI Homeservices common stock pursuant to stock-based awards, net of withholding taxes	(245,465)			(257,838)					(258,769)			931			12,373
Adjustment of redeemable noncontrolling interests to fair value	(10,138)			(10,138)					(10,138)
Purchase of exchangeable note hedges	(303,428)			(303,428)					(303,428)
Equity component of exchangeable Senior Notes, net of deferred financing costs and deferred tax liabilities	321,128			321,128					321,128
Issuance of warrants	166,520			166,520					166,520
Other	(16)			(189)					(189)						173
Balance at end of period at Jun. 30, 2019	3,843,597			2,983,461			$ 263	$ 16	11,957,543		1,460,956	(125,705)		(10,309,612)	860,136
Balance at end of period (shares) at Jun. 30, 2019							262,789	16,157
Balance at beginning of period at Mar. 31, 2019			71,914
Increase (Decrease) in Redeemable Noncontrolling Interests
Net (loss) earnings	33,324		6,946
Other comprehensive (loss) income, net of tax			(335)
Stock-based compensation expense			35
Stock-based compensation expense	62,384			22,890					22,890						39,494
Purchase of redeemable noncontrolling interests			(2,939)
Adjustment of redeemable noncontrolling interests to fair value			(104)
Noncontrolling interests created in an acquisition			5,009
Other			(24)
Balance at end of period at Jun. 30, 2019			80,502
Balance at beginning of period at Mar. 31, 2019	3,571,336			2,779,861			$ 263	$ 16	11,868,424		1,347,489	(126,719)		(10,309,612)	791,475
Balance at beginning of period (shares) at Mar. 31, 2019							262,629	16,157
Increase (Decrease) in Shareholders' Equity
Net (loss) earnings	139,845			113,467							113,467				26,378
Other comprehensive (loss) income, net of tax	1,426			1,091								1,091			335
Stock-based compensation expense	62,384			22,890					22,890						39,494
Issuance of Former IAC common stock pursuant to stock-based awards, net of withholding taxes	(18,112)	$ (97,607)		(18,112)	$ (99,888)				(18,112)	$ (99,811)			$ (77)			$ 2,281
Issuance of common stock pursuant to stock-based awards, net of withholding taxes (shares)							160
Adjustment of redeemable noncontrolling interests to fair value	104			104					104
Purchase of exchangeable note hedges	(303,428)			(303,428)					(303,428)
Equity component of exchangeable Senior Notes, net of deferred financing costs and deferred tax liabilities	321,128			321,128					321,128
Issuance of warrants	166,520			166,520					166,520
Other	1			(172)					(172)						173
Balance at end of period at Jun. 30, 2019	3,843,597			2,983,461			$ 263	$ 16	11,957,543		1,460,956	(125,705)		(10,309,612)	860,136
Balance at end of period (shares) at Jun. 30, 2019							262,789	16,157
Balance at beginning of period at Dec. 31, 2019	44,527		44,527
Increase (Decrease) in Redeemable Noncontrolling Interests
Net (loss) earnings	60,266		(2,070)
Other comprehensive (loss) income, net of tax			(686)
Stock-based compensation expense			15
Stock-based compensation expense	159,422			73,059					73,059						86,363
Purchase of redeemable noncontrolling interests			(3,165)
Adjustment of redeemable noncontrolling interests to fair value			4,807
Exchange Former IAC common stock and Class B common stock for Match Group common stock and completion of the Separation	(43,583)
Other			(1)
Balance at end of period at Jun. 30, 2020	(156)		(156)
Balance at beginning of period at Dec. 31, 2019	3,898,318			2,928,042		$ 0	$ 263	$ 16	11,683,799		1,689,925	(136,349)		(10,309,612)	970,276
Balance at beginning of period (shares) at Dec. 31, 2019						0	263,230	16,157
Increase (Decrease) in Shareholders' Equity
Net (loss) earnings	(82,263)			(144,599)							(144,599)				62,336
Other comprehensive (loss) income, net of tax	(2,775)			(2,372)								(2,372)			(403)
Stock-based compensation expense	159,422			73,059					73,059						86,363
Issuance of Former IAC common stock pursuant to stock-based awards, net of withholding taxes	(34,517)			(34,517)			$ 1		(34,518)
Issuance of common stock pursuant to stock-based awards, net of withholding taxes (shares)							453
Issuance of Former Match Group and ANGI Homeservices common stock pursuant to stock-based awards, net of withholding taxes	(223,047)			(211,642)					(212,270)			628			(11,405)
Adjustment of redeemable noncontrolling interests to fair value	(4,807)			(4,807)					(4,807)
Purchase of treasury stock	(187,735)			(187,735)					(187,735)
Retirement of treasury stock							$ (184)	$ (10)	194		(10,309,612)			10,309,612
Retirement of treasury stock (shares)							(184,340)	(10,368)
Exchange Former IAC common stock and Class B common stock for Match Group common stock and completion of the Separation	(5,230,433)			(4,731,641)		$ 184	$ (80)	$ (6)	(4,745,520)			13,781			(498,792)
Exchange Former IAC common stock and Class B common stock for Match Group common stock and Separation (shares)						183,749	(79,343)	(5,789)
Acquire Former Match Group noncontrolling interest				608,168		$ 58			608,110						(608,168)
Acquire Former Match Group noncontrolling interest (shares)						57,868
Other	(1)			(131)					(131)						130
Balance at end of period at Jun. 30, 2020	(1,707,838)			(1,708,175)		$ 242	$ 0	$ 0	7,180,181		(8,764,286)	(124,312)		0	337
Balance at end of period (shares) at Jun. 30, 2020						241,617	0	0
Balance at beginning of period at Mar. 31, 2020			42,431
Increase (Decrease) in Redeemable Noncontrolling Interests
Net (loss) earnings	31,869		(608)
Other comprehensive (loss) income, net of tax			(785)
Stock-based compensation expense	103,337			61,560					61,560						41,777
Adjustment of redeemable noncontrolling interests to fair value			2,389
Exchange Former IAC common stock and Class B common stock for Match Group common stock and completion of the Separation	(43,583)
Balance at end of period at Jun. 30, 2020	(156)		$ (156)
Balance at beginning of period at Mar. 31, 2020	3,454,824			2,424,410		$ 0	$ 264	$ 16	11,412,142		1,478,885	(157,285)		(10,309,612)	1,030,414
Balance at beginning of period (shares) at Mar. 31, 2020						0	263,502	16,157
Increase (Decrease) in Shareholders' Equity
Net (loss) earnings	98,918			66,441							66,441				32,477
Other comprehensive (loss) income, net of tax	23,429			18,967								18,967			4,462
Stock-based compensation expense	103,337			61,560					61,560						41,777
Issuance of Former IAC common stock pursuant to stock-based awards, net of withholding taxes	(14,002)			(14,002)					(14,002)
Issuance of common stock pursuant to stock-based awards, net of withholding taxes (shares)							181
Issuance of Former Match Group and ANGI Homeservices common stock pursuant to stock-based awards, net of withholding taxes	(74,443)			(72,480)					(72,705)			225			(1,963)
Adjustment of redeemable noncontrolling interests to fair value	(2,389)			(2,389)					(2,389)
Purchase of treasury stock	(67,077)			(67,077)					(67,077)
Retirement of treasury stock							$ (184)	$ (10)	194		(10,309,612)			10,309,612
Retirement of treasury stock (shares)							(184,340)	(10,368)
Exchange Former IAC common stock and Class B common stock for Match Group common stock and completion of the Separation	(5,230,433)			(4,731,641)		$ 184	$ (80)	$ (6)	(4,745,520)			13,781			(498,792)
Exchange Former IAC common stock and Class B common stock for Match Group common stock and Separation (shares)						183,749	(79,343)	(5,789)
Acquire Former Match Group noncontrolling interest				608,168		$ 58			608,110						(608,168)
Acquire Former Match Group noncontrolling interest (shares)						57,868
Other	(2)			(132)					(132)						130
Balance at end of period at Jun. 30, 2020	$ (1,707,838)			$ (1,708,175)		$ 242	$ 0	$ 0	$ 7,180,181		$ (8,764,286)	$ (124,312)		$ 0	$ 337
Balance at end of period (shares) at Jun. 30, 2020						241,617	0	0