LOSS PER SHARE - Summary (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Earnings Per Share [Abstract]
Net loss attributable to continuing operations	$ (30,047)	$ (89,168)	$ (64,018)
Net earnings attributable to noncontrolling interests	(629)	(468)	(884)
Net loss from continuing operations attributable to Angi Inc. Class A and Class B Common Stock shareholders	(30,676)	(89,636)	(64,902)
Loss from discontinued operations, net of tax	(10,264)	(38,814)	(6,476)
Net loss attributable to Angi Inc. shareholders	$ (40,940)	$ (128,450)	$ (71,378)
Weighted average basic Class A and Class B common stock shares outstanding, basic (in shares)	505,900	503,008	502,761
Dilutive securities (in shares)	0	0	0
Denominator for loss per share - weighted average shares, diluted (shares)	505,900	503,008	502,761
Loss per share:
Loss per share from continuing operations, Basic (USD per share)	$ (0.06)	$ (0.18)	$ (0.13)
Loss per share from continuing operations, Diluted (USD per share)	(0.06)	(0.18)	(0.13)
Loss per share from discontinued operations, net of tax, Basic (USD per share)	(0.02)	(0.08)	(0.01)
Loss per share from discontinued operations, net of tax, Diluted (USD per share)	(0.02)	(0.08)	(0.01)
Loss per share attributable to Angi Inc. Class A and Class B Common Stock shareholders, Basic (USD per share)	(0.08)	(0.26)	(0.14)
Loss per share attributable to Angi Inc. Class A and Class B Common Stock shareholders, Diluted (USD per share)	$ (0.08)	$ (0.26)	$ (0.14)
Stock Options and Subsidiary Denominated Equity and Vesting of Restricted Common Stock, Restricted Stock Units (RSU's)
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Potentially dilutive securities excluded from calculation of diluted earnings per share (shares)	28,500	23,600	17,500
Market-based Awards and PSUs
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Potentially dilutive securities excluded from calculation of diluted earnings per share (shares)	500	800	2,200