THE COMPANY AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Narrative (Details) $ in Thousands, project in Millions	6 Months Ended
	Jun. 30, 2022 USD ($) project segment professional category	Jun. 30, 2021 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)
Noncontrolling Interest [Line Items]
Number of service categories (more than) | category	500
Number of domestic service professionals (over) | professional	256,000
Number of projects | project	31
Number of operating segments | segment	2
Current deferred revenue	$ 56,940		$ 53,834	$ 54,700
Non-current deferred revenue	100		100	$ 200
Deferred revenue recognized	45,800	$ 46,000
Current contract assets	47,600		38,000
Non-current contract assets	$ 1,000		$ 1,100
Angi | IAC
Noncontrolling Interest [Line Items]
Economic interest (as a percent)	84.50%
Voting interest (as a percent)	98.20%