(LOSS) EARNINGS PER SHARE - Summary (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Earnings Per Share [Abstract]
Net loss	$ (17,439)	$ (16,693)	$ (74,723)	$ (44,731)
Net earnings attributable to noncontrolling interests	(40)	(302)	(379)	(626)
Net loss attributable to Angi Inc. shareholders	$ (17,479)	$ (16,995)	$ (75,102)	$ (45,357)
Weighted average basic Class A and Class B common stock shares outstanding, basic (shares)	503,202	503,416	502,558	502,859
Dilutive securities (shares)	0	0	0	0
Denominator for loss per share - weighted average shares, diluted (shares)	503,202	503,416	502,558	502,859
Loss per share attributable to Angi Inc. Class A and Class B Common Stock shareholders:
Loss per share, basic (USD per share)	$ (0.03)	$ (0.03)	$ (0.15)	$ (0.09)
Loss per share, diluted (USD per share)	$ (0.03)	$ (0.03)	$ (0.15)	$ (0.09)
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)	22,900	21,200	22,900	21,200
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)	900	6,900	900	6,900