SEGMENT INFORMATION - Revenue Disaggregated by Service (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Segment Reporting Information [Line Items]
Revenue	$ 1,685,438	$ 1,467,925	$ 1,326,205
North America
Segment Reporting Information [Line Items]
Revenue	1,602,571	1,395,428	1,249,892
Europe
Segment Reporting Information [Line Items]
Revenue	82,867	72,497	76,313
Total Angi Ads and Leads revenue | North America
Segment Reporting Information [Line Items]
Revenue	1,244,595	1,232,889	1,198,385
Consumer connection revenue | North America
Segment Reporting Information [Line Items]
Revenue	896,711	899,175	867,307
Consumer connection revenue | Europe
Segment Reporting Information [Line Items]
Revenue	68,686	57,692	59,611
Advertising revenue | North America
Segment Reporting Information [Line Items]
Revenue	252,010	226,505	214,259
Membership subscription revenue | North America
Segment Reporting Information [Line Items]
Revenue	68,062	74,073	92,975
Other revenue | North America
Segment Reporting Information [Line Items]
Revenue	27,812	33,136	23,844
Angi Services revenue | North America
Segment Reporting Information [Line Items]
Revenue	357,976	162,539	51,507
Service professional membership subscription revenue | Europe
Segment Reporting Information [Line Items]
Revenue	12,939	13,091	14,231
Advertising and other revenue | Europe
Segment Reporting Information [Line Items]
Revenue	$ 1,242	$ 1,714	$ 2,471