CONSOLIDATED AND COMBINED STATEMENT OF OPERATIONS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Revenue	$ 1,132,241	$ 736,386	$ 498,890
Operating costs and expenses:
Cost of revenue (exclusive of depreciation shown separately below)	55,739	34,073	25,858
Selling and marketing expense	541,469	464,040	306,713
General and administrative expense	323,462	300,433	110,093
Product development expense	61,143	47,907	20,596
Depreciation	24,310	14,543	8,419
Amortization of intangibles	62,212	23,261	3,153
Total operating costs and expenses	1,068,335	884,257	474,832
Operating income (loss)	63,906	(147,871)	24,058
Interest expense—third-party	(11,623)	(1,765)	0
Interest expense—related party	(118)	(5,971)	(894)
Other income (expense), net	17,859	1,974	(699)
Earnings (loss) before income taxes	70,024	(153,633)	22,465
Income tax benefit (provision)	7,483	49,106	(11,834)
Net earnings (loss)	77,507	(104,527)	10,631
Net (earnings) loss attributable to noncontrolling interests	(189)	1,409	2,497
Net earnings (loss) attributable to ANGI Homeservices Inc. shareholders	$ 77,318	$ (103,118)	$ 13,128
Per share information attributable to ANGI Homeservices Inc. shareholders:
Basic earnings (loss) per share (USD per share)	$ 0.16	$ (0.24)	$ 0.03
Diluted earnings (loss) per share (USD per share)	$ 0.15	$ (0.24)	$ 0.03
Stock-based compensation expense by function:
Stock-based compensation expense	$ 97,078	$ 149,230	$ 8,916
Cost of revenue
Stock-based compensation expense by function:
Stock-based compensation expense		19
Selling and marketing expense
Stock-based compensation expense by function:
Stock-based compensation expense	3,368	25,763	863
General and administrative expense
Stock-based compensation expense by function:
Stock-based compensation expense	84,028	107,662	6,804
Product development expense
Stock-based compensation expense by function:
Stock-based compensation expense	$ 9,682	$ 15,786	$ 1,249