EARNINGS (LOSS) PER SHARE - Summary (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Earnings Per Share [Abstract]
Net earnings (loss) from continuing operations	$ 36,848	$ (30,047)	$ (89,168)
Net earnings attributable to noncontrolling interests of continuing operations	(844)	(629)	(468)
Net earnings (loss) from continuing operations attributable to Angi Inc. Class A and Class B Common Stock shareholders	36,004	(30,676)	(89,636)
Loss from discontinued operations, net of tax	0	(10,264)	(38,814)
Net earnings (loss) attributable to Angi Inc. shareholders	$ 36,004	$ (40,940)	$ (128,450)
Weighted average basic Class A and Class B common stock shares outstanding, basic (in shares)	500,025	505,900	503,008
Dilutive securities (in shares)	6,667	0	0
Denominator for earnings (loss) per share - weighted average shares, diluted (shares)	506,692	505,900	503,008
Earnings (loss) per share:
Earnings (loss) per share from continuing operations, Basic (USD per share)	$ 0.07	$ (0.06)	$ (0.18)
Earnings (loss) per share from continuing operations, Diluted (USD per share)	0.07	(0.06)	(0.18)
Loss per share from discontinued operations, net of tax, Basic (USD per share)	0	(0.02)	(0.08)
Loss per share from discontinued operations, net of tax, Diluted (USD per share)	0	(0.02)	(0.08)
Earnings (loss) per share attributable to Angi Inc. Class A and Class B Common Stock shareholders, Basic (USD per share)	0.07	(0.08)	(0.26)
Earnings (loss) per share attributable to Angi Inc. Class A and Class B Common Stock shareholders, Diluted (USD per share)	$ 0.07	$ (0.08)	$ (0.26)
Stock Options and Subsidiary Denominated Equity and Vesting of Restricted Common Stock, Restricted Stock Units (RSUs)
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Potentially dilutive securities excluded from calculation of diluted earnings per share (shares)	12,700	28,500	23,600
MSUs 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)	3,100	500	800