SEGMENT INFORMATION - Reconciliation of Adjusted EBITDA to Operating Income (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Segment Reporting, Other Significant Reconciling Item
Operating Income (Loss)	$ 109	$ (16,296)
Stock-Based Compensation Expense	2,034	25,575
Amortization of Intangibles	5,074	12,980
Interest expense	(6,617)	(2,274)
Other income, net	(767)	421
Loss before income taxes	(7,275)	(18,149)
Income tax benefit	9,289	8,965
Net earnings (loss)	2,014	(9,184)
Net (earnings) loss attributable to noncontrolling interests	(83)	226
Net earnings (loss) attributable to Angi Inc. shareholders	1,931	(8,958)
North America
Segment Reporting, Other Significant Reconciling Item
Operating Income (Loss)	9,577	(8,108)
Stock-Based Compensation Expense	1,936	25,312
Depreciation	14,578	11,297
Amortization of Intangibles	5,074	12,890
Adjusted EBITDA	31,165	41,391
Europe
Segment Reporting, Other Significant Reconciling Item
Operating Income (Loss)	(9,468)	(8,188)
Stock-Based Compensation Expense	98	263
Depreciation	1,391	841
Amortization of Intangibles	0	90
Adjusted EBITDA	$ (7,979)	$ (6,994)