CONSOLIDATED STATEMENT OF SHAREHOLDERS' EQUITY (Unaudited) - USD ($) shares in Thousands, $ in Thousands	Total	Redeemable Noncontrolling Interests	Total ANGI Homeservices Inc. Shareholders' Equity	Common Stock Class A Common Stock	Common Stock Class B Common Stock	Common Stock Class C Common Stock	Additional Paid-in Capital	Retained Earnings (Accumulated Deficit)	Accumulated Other Comprehensive Loss	Treasury Stock	Noncontrolling Interests
Balance at beginning of period at Dec. 31, 2018		$ 18,163
Increase (Decrease) in Redeemable Noncontrolling Interests
Net (loss) earnings		51
Other comprehensive (loss) income		(149)
Stock-based compensation expense		77
Adjustment of redeemable noncontrolling interests to fair value		5,279
Balance at end of period at Jun. 30, 2019		23,421
Balance at beginning of period at Dec. 31, 2018	$ 1,321,987		$ 1,312,941	$ 81	$ 421	$ 0	$ 1,333,097	$ (18,797)	$ (1,861)	$ 0	$ 9,046
Balance at beginning of period (shares) at Dec. 31, 2018				80,515	421,118	0
Increase (Decrease) in Shareholders' Equity
Net (loss) earnings	17,034		16,937					16,937			97
Other comprehensive (loss) income	337		379						379		(42)
Stock-based compensation expense	36,725		36,725				36,725
Issuance of common stock pursuant to stock-based awards, net of withholding taxes	(25,443)		(25,443)	$ 5			(25,448)
Issuance of common stock pursuant to stock-based awards, net of withholding taxes (shares)				5,288
Issuance of common stock to IAC pursuant to the employee matters agreement	(795)		(795)				(795)
Issuance of common stock to IAC pursuant to the employee matters agreement (shares)					335
Adjustment of redeemable noncontrolling interests to fair value	(5,279)		(5,279)				(5,279)
Other	(20)		(20)				(20)
Balance at end of period at Jun. 30, 2019	1,344,546		1,335,445	$ 86	$ 421	$ 0	1,338,280	(1,860)	(1,482)	0	9,101
Balance at end of period (shares) at Jun. 30, 2019				85,803	421,453	0
Balance at beginning of period at Mar. 31, 2019		23,242
Increase (Decrease) in Redeemable Noncontrolling Interests
Net (loss) earnings		160
Other comprehensive (loss) income		(335)
Stock-based compensation expense		35
Adjustment of redeemable noncontrolling interests to fair value		319
Balance at end of period at Jun. 30, 2019		23,421
Balance at beginning of period at Mar. 31, 2019	1,331,901		1,322,858	$ 85	$ 421	$ 0	1,331,371	(8,828)	(191)	0	9,043
Balance at beginning of period (shares) at Mar. 31, 2019				84,718	421,452	0
Increase (Decrease) in Shareholders' Equity
Net (loss) earnings	7,074		6,968					6,968			106
Other comprehensive (loss) income	(1,339)		(1,291)						(1,291)		(48)
Stock-based compensation expense	17,485		17,485				17,485
Issuance of common stock pursuant to stock-based awards, net of withholding taxes	(10,256)		(10,256)	$ 1			(10,257)
Issuance of common stock pursuant to stock-based awards, net of withholding taxes (shares)				1,085
Issuance of common stock to IAC pursuant to the employee matters agreement (shares)					1
Adjustment of redeemable noncontrolling interests to fair value	(319)		(319)				(319)
Balance at end of period at Jun. 30, 2019	1,344,546		1,335,445	$ 86	$ 421	$ 0	1,338,280	(1,860)	(1,482)	0	9,101
Balance at end of period (shares) at Jun. 30, 2019				85,803	421,453	0
Balance at beginning of period at Dec. 31, 2019	26,663	26,663
Increase (Decrease) in Redeemable Noncontrolling Interests
Net (loss) earnings		(55)
Other comprehensive (loss) income		(687)
Stock-based compensation expense		15
Purchase of redeemable noncontrolling interests		(3,165)
Adjustment of redeemable noncontrolling interests to fair value		2,322
Balance at end of period at Jun. 30, 2020	25,093	25,093
Balance at beginning of period at Dec. 31, 2019	1,323,552		1,314,288	$ 87	$ 422	$ 0	1,357,075	16,032	(1,379)	(57,949)	9,264
Balance at beginning of period (shares) at Dec. 31, 2019				87,007	421,570	0
Increase (Decrease) in Shareholders' Equity
Net (loss) earnings	4,082		3,709					3,709			373
Other comprehensive (loss) income	(1,395)		(1,361)						(1,361)		(34)
Stock-based compensation expense	40,818		40,818				40,818
Issuance of common stock pursuant to stock-based awards, net of withholding taxes	(10,771)		(10,771)	$ 2			(10,773)
Issuance of common stock pursuant to stock-based awards, net of withholding taxes (shares)				2,069
Issuance of common stock to IAC pursuant to the employee matters agreement	(791)		(791)				(791)
Issuance of common stock to IAC pursuant to the employee matters agreement (shares)					187
Purchase of treasury stock	(54,859)		(54,859)							(54,859)
Adjustment of redeemable noncontrolling interests to fair value	(2,322)		(2,322)				(2,322)
Adjustment pursuant to the tax sharing agreement	3,613		3,613				3,613
Other	(1)		(2)				(2)				1
Balance at end of period at Jun. 30, 2020	1,301,926		1,292,322	$ 89	$ 422	$ 0	1,387,618	19,741	(2,740)	(112,808)	9,604
Balance at end of period (shares) at Jun. 30, 2020				89,076	421,757	0
Balance at beginning of period at Mar. 31, 2020		23,813
Increase (Decrease) in Redeemable Noncontrolling Interests
Net (loss) earnings		220
Other comprehensive (loss) income		(786)
Adjustment of redeemable noncontrolling interests to fair value		1,846
Balance at end of period at Jun. 30, 2020	25,093	$ 25,093
Balance at beginning of period at Mar. 31, 2020	1,291,010		1,281,750	$ 88	$ 422	$ 0	1,379,079	7,074	(7,993)	(96,920)	9,260
Balance at beginning of period (shares) at Mar. 31, 2020				87,624	421,757	0
Increase (Decrease) in Shareholders' Equity
Net (loss) earnings	12,991		12,667					12,667			324
Other comprehensive (loss) income	5,272		5,253						5,253		19
Stock-based compensation expense	18,607		18,607				18,607
Issuance of common stock pursuant to stock-based awards, net of withholding taxes	(8,219)		(8,219)	$ 1			(8,220)
Issuance of common stock pursuant to stock-based awards, net of withholding taxes (shares)				1,452
Purchase of treasury stock	(15,888)		(15,888)							(15,888)
Adjustment of redeemable noncontrolling interests to fair value	(1,846)		(1,846)				(1,846)
Other	(1)		(2)				(2)				1
Balance at end of period at Jun. 30, 2020	$ 1,301,926		$ 1,292,322	$ 89	$ 422	$ 0	$ 1,387,618	$ 19,741	$ (2,740)	$ (112,808)	$ 9,604
Balance at end of period (shares) at Jun. 30, 2020				89,076	421,757	0