CONSOLIDATED STATEMENT OF SHAREHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Total ANGI Homeservices Inc. Shareholders' Equity	Redeemable Noncontrolling Interests	Common Stock Class A Common Stock	Common Stock Class B Common Stock	Common Stock Class C Common Stock	Additional Paid-in Capital	Accumulated Deficit	Accumulated Other Comprehensive (Loss) Income	Noncontrolling Interests
Balance at beginning of period at Dec. 31, 2017			$ 21,300
Increase (Decrease) in Redeemable Noncontrolling Interests
Net (loss) earnings			(111)
Other comprehensive income (loss)			375
Stock-based compensation expense			410
Adjustment of redeemable noncontrolling interests to fair value			643
Other			38
Balance at end of period at Mar. 31, 2018			22,655
Balance at beginning of period at Dec. 31, 2017	$ 1,003,094	$ 993,346		$ 63	$ 415	$ 0	$ 1,112,400	$ (121,764)	$ 2,232	$ 9,748
Balance at beginning of period (shares) at Dec. 31, 2017				62,818,000	415,186,000	0
Increase (Decrease) in Shareholders' Equity
Net (loss) earnings	(9,003)	(8,885)						(8,885)		(118)
Other comprehensive income	4,129	3,992							3,992	137
Stock-based compensation expense	24,496	24,496					24,496
Issuance of common stock pursuant to stock-based awards, net of withholding taxes (shares)				535,000
Issuance of common stock pursuant to stock-based awards, net of withholding taxes	(1,143)	(1,143)					(1,143)
Issuance of common stock to IAC pursuant to the employee matters agreement	0				$ 1		(1)
Issuance of common stock to IAC pursuant to the employee matters agreement (shares)					699,000
Purchase of noncontrolling interests	(269)									(269)
Adjustment of redeemable noncontrolling interests to fair value	(643)	(643)					(643)
Other	0	(85)					(85)			85
Balance at end of period at Mar. 31, 2018	1,046,310	1,036,727		$ 63	$ 416	$ 0	1,135,024	(105,000)	6,224	9,583
Balance at end of period (shares) at Mar. 31, 2018				63,353,000	415,885,000	0
Balance at beginning of period at Dec. 31, 2018	18,163		18,163
Increase (Decrease) in Redeemable Noncontrolling Interests
Net (loss) earnings			(109)
Other comprehensive income (loss)			186
Stock-based compensation expense			42
Adjustment of redeemable noncontrolling interests to fair value			4,960
Balance at end of period at Mar. 31, 2019	23,242		$ 23,242
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)	9,046
Balance at beginning of period (shares) at Dec. 31, 2018				80,515,000	421,118,000	0
Increase (Decrease) in Shareholders' Equity
Net (loss) earnings	9,960	9,969						9,969		(9)
Other comprehensive income	1,676	1,670							1,670	6
Stock-based compensation expense	19,240	19,240					19,240
Issuance of common stock pursuant to stock-based awards, net of withholding taxes (shares)				4,203,000
Issuance of common stock pursuant to stock-based awards, net of withholding taxes	(15,187)	(15,187)		$ 4			(15,191)
Issuance of common stock to IAC pursuant to the employee matters agreement	(795)	(795)			$ 0		(795)
Issuance of common stock to IAC pursuant to the employee matters agreement (shares)					334,000
Adjustment of redeemable noncontrolling interests to fair value	(4,960)	(4,960)					(4,960)
Other	(20)	(20)					(20)
Balance at end of period at Mar. 31, 2019	$ 1,331,901	$ 1,322,858		$ 85	$ 421	$ 0	$ 1,331,371	$ (8,828)	$ (191)	$ 9,043
Balance at end of period (shares) at Mar. 31, 2019				84,718,000	421,452,000	0