FINANCIAL STATEMENT DETAILS - Supplemental Cash Flow Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Cash (paid) received during the year for:
Interest expense—third-party	$ (19,375)	$ (19,375)	$ (21,450)
Income tax payments, including amounts paid to IAC for Angi Inc.'s share of IAC's consolidated tax liability	(4,957)	(1,551)	(4,647)
Income tax refunds, including amounts received from IAC for Angi Inc.’s share of IAC's consolidated tax liability	$ 282	$ 396	$ 587