LOSS PER SHARE - Summary (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Earnings Per Share [Abstract]
Net loss	$ (14,479)	$ (23,997)	$ (29,479)	$ (57,284)
Net earnings attributable to noncontrolling interests	(220)	(235)	(545)	(338)
Net loss attributable to Angi Inc. shareholders	$ (14,699)	$ (24,232)	$ (30,024)	$ (57,622)
Weighted average basic Class A and Class B common stock shares outstanding, basic (in shares)	506,086	502,453	505,563	502,231
Dilutive securities (in shares)	0	0	0	0
Denominator for loss per share - weighted average shares, diluted (shares)	506,086	502,453	505,563	502,231
Loss per share attributable to Angi Inc. shareholders:
Loss per share, basic (USD per share)	$ (0.03)	$ (0.05)	$ (0.06)	$ (0.11)
Loss per share, diluted (USD per share)	$ (0.03)	$ (0.05)	$ (0.06)	$ (0.11)
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)			28,100	28,700
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)			700	4,400