SEGMENT INFORMATION - Reconciliation of Adjusted EBITDA to Operating Income (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Segment Reporting, Other Significant Reconciling Item
Operating (loss) income	$ (76,513)	$ (6,368)	$ 38,645
Stock-based compensation expense	28,702	83,649	68,255
Amortization of intangibles	16,430	42,902	55,482
Interest expense	(23,485)	(14,178)	(11,493)
Other (expense) income, net	(2,509)	1,218	6,494
(Loss) earnings before income taxes	(102,507)	(19,328)	33,646
Income tax benefit	32,013	15,168	1,668
Net (loss) earnings	(70,494)	(4,160)	35,314
Net earnings attributable to noncontrolling interests	(884)	(2,123)	(485)
Net (loss) earnings attributable to Angi Inc. shareholders	(71,378)	(6,283)	34,829
North America
Segment Reporting, Other Significant Reconciling Item
Operating (loss) income	(63,316)	4,811	48,967
Stock-based compensation expense	28,399	82,933	67,646
Depreciation	53,815	48,515	37,481
Amortization of intangibles	16,430	42,595	54,098
Adjusted EBITDA	35,328	178,854	208,192
Europe
Segment Reporting, Other Significant Reconciling Item
Operating (loss) income	(13,197)	(11,179)	(10,322)
Stock-based compensation expense	303	716	609
Depreciation	5,431	4,106	2,434
Amortization of intangibles	0	307	1,384
Adjusted EBITDA	$ (7,463)	$ (6,050)	$ (5,895)